static void BaseBackup(void) { PGresult *res; char *sysidentifier; uint32 timeline; char current_path[MAXPGPATH]; char escaped_label[MAXPGPATH]; int i; char xlogstart[64]; char xlogend[64]; /* * Connect in replication mode to the server */ conn = GetConnection(); if (!conn) /* Error message already written in GetConnection() */ exit(1); /* * Run IDENTIFY_SYSTEM so we can get the timeline */ res = PQexec(conn, "IDENTIFY_SYSTEM"); if (PQresultStatus(res) != PGRES_TUPLES_OK) { fprintf(stderr, _("%s: could not send replication command \"%s\": %s"), progname, "IDENTIFY_SYSTEM", PQerrorMessage(conn)); disconnect_and_exit(1); } if (PQntuples(res) != 1 || PQnfields(res) != 3) { fprintf(stderr, _("%s: could not identify system: got %d rows and %d fields, expected %d rows and %d fields\n"), progname, PQntuples(res), PQnfields(res), 1, 3); disconnect_and_exit(1); } sysidentifier = pg_strdup(PQgetvalue(res, 0, 0)); timeline = atoi(PQgetvalue(res, 0, 1)); PQclear(res); /* * Start the actual backup */ PQescapeStringConn(conn, escaped_label, label, sizeof(escaped_label), &i); snprintf(current_path, sizeof(current_path), "BASE_BACKUP LABEL '%s' %s %s %s %s", escaped_label, showprogress ? "PROGRESS" : "", includewal && !streamwal ? "WAL" : "", fastcheckpoint ? "FAST" : "", includewal ? "NOWAIT" : ""); if (PQsendQuery(conn, current_path) == 0) { fprintf(stderr, _("%s: could not send replication command \"%s\": %s"), progname, "BASE_BACKUP", PQerrorMessage(conn)); disconnect_and_exit(1); } /* * Get the starting xlog position */ res = PQgetResult(conn); if (PQresultStatus(res) != PGRES_TUPLES_OK) { fprintf(stderr, _("%s: could not initiate base backup: %s"), progname, PQerrorMessage(conn)); disconnect_and_exit(1); } if (PQntuples(res) != 1) { fprintf(stderr, _("%s: no start point returned from server\n"), progname); disconnect_and_exit(1); } strcpy(xlogstart, PQgetvalue(res, 0, 0)); if (verbose && includewal) fprintf(stderr, "transaction log start point: %s\n", xlogstart); PQclear(res); MemSet(xlogend, 0, sizeof(xlogend)); /* * Get the header */ res = PQgetResult(conn); if (PQresultStatus(res) != PGRES_TUPLES_OK) { fprintf(stderr, _("%s: could not get backup header: %s"), progname, PQerrorMessage(conn)); disconnect_and_exit(1); } if (PQntuples(res) < 1) { fprintf(stderr, _("%s: no data returned from server\n"), progname); disconnect_and_exit(1); } /* * Sum up the total size, for progress reporting */ totalsize = totaldone = 0; tablespacecount = PQntuples(res); for (i = 0; i < PQntuples(res); i++) { if (showprogress) totalsize += atol(PQgetvalue(res, i, 2)); /* * Verify tablespace directories are empty. Don't bother with the * first once since it can be relocated, and it will be checked before * we do anything anyway. */ if (format == 'p' && !PQgetisnull(res, i, 1)) verify_dir_is_empty_or_create(PQgetvalue(res, i, 1)); } /* * When writing to stdout, require a single tablespace */ if (format == 't' && strcmp(basedir, "-") == 0 && PQntuples(res) > 1) { fprintf(stderr, _("%s: can only write single tablespace to stdout, database has %d\n"), progname, PQntuples(res)); disconnect_and_exit(1); } /* * If we're streaming WAL, start the streaming session before we start * receiving the actual data chunks. */ if (streamwal) { if (verbose) fprintf(stderr, _("%s: starting background WAL receiver\n"), progname); StartLogStreamer(xlogstart, timeline, sysidentifier); } /* * Start receiving chunks */ for (i = 0; i < PQntuples(res); i++) { if (format == 't') ReceiveTarFile(conn, res, i); else ReceiveAndUnpackTarFile(conn, res, i); } /* Loop over all tablespaces */ if (showprogress) { progress_report(PQntuples(res), NULL); fprintf(stderr, "\n"); /* Need to move to next line */ } PQclear(res); /* * Get the stop position */ res = PQgetResult(conn); if (PQresultStatus(res) != PGRES_TUPLES_OK) { fprintf(stderr, _("%s: could not get transaction log end position from server: %s"), progname, PQerrorMessage(conn)); disconnect_and_exit(1); } if (PQntuples(res) != 1) { fprintf(stderr, _("%s: no transaction log end position returned from server\n"), progname); disconnect_and_exit(1); } strcpy(xlogend, PQgetvalue(res, 0, 0)); if (verbose && includewal) fprintf(stderr, "transaction log end point: %s\n", xlogend); PQclear(res); res = PQgetResult(conn); if (PQresultStatus(res) != PGRES_COMMAND_OK) { fprintf(stderr, _("%s: final receive failed: %s"), progname, PQerrorMessage(conn)); disconnect_and_exit(1); } if (bgchild > 0) { #ifndef WIN32 int status; int r; #else DWORD status; uint32 hi, lo; #endif if (verbose) fprintf(stderr, _("%s: waiting for background process to finish streaming...\n"), progname); #ifndef WIN32 if (write(bgpipe[1], xlogend, strlen(xlogend)) != strlen(xlogend)) { fprintf(stderr, _("%s: could not send command to background pipe: %s\n"), progname, strerror(errno)); disconnect_and_exit(1); } /* Just wait for the background process to exit */ r = waitpid(bgchild, &status, 0); if (r == -1) { fprintf(stderr, _("%s: could not wait for child process: %s\n"), progname, strerror(errno)); disconnect_and_exit(1); } if (r != bgchild) { fprintf(stderr, _("%s: child %d died, expected %d\n"), progname, r, (int) bgchild); disconnect_and_exit(1); } if (!WIFEXITED(status)) { fprintf(stderr, _("%s: child process did not exit normally\n"), progname); disconnect_and_exit(1); } if (WEXITSTATUS(status) != 0) { fprintf(stderr, _("%s: child process exited with error %d\n"), progname, WEXITSTATUS(status)); disconnect_and_exit(1); } /* Exited normally, we're happy! */ #else /* WIN32 */ /* * On Windows, since we are in the same process, we can just store the * value directly in the variable, and then set the flag that says * it's there. */ if (sscanf(xlogend, "%X/%X", &hi, &lo) != 2) { fprintf(stderr, _("%s: could not parse transaction log location \"%s\"\n"), progname, xlogend); disconnect_and_exit(1); } xlogendptr = ((uint64) hi) << 32 | lo; InterlockedIncrement(&has_xlogendptr); /* First wait for the thread to exit */ if (WaitForSingleObjectEx((HANDLE) bgchild, INFINITE, FALSE) != WAIT_OBJECT_0) { _dosmaperr(GetLastError()); fprintf(stderr, _("%s: could not wait for child thread: %s\n"), progname, strerror(errno)); disconnect_and_exit(1); } if (GetExitCodeThread((HANDLE) bgchild, &status) == 0) { _dosmaperr(GetLastError()); fprintf(stderr, _("%s: could not get child thread exit status: %s\n"), progname, strerror(errno)); disconnect_and_exit(1); } if (status != 0) { fprintf(stderr, _("%s: child thread exited with error %u\n"), progname, (unsigned int) status); disconnect_and_exit(1); } /* Exited normally, we're happy */ #endif } /* * End of copy data. Final result is already checked inside the loop. */ PQclear(res); PQfinish(conn); if (verbose) fprintf(stderr, "%s: base backup completed\n", progname); }
static struct copy_options * parse_slash_copy(const char *args) { struct copy_options *result; char *token; const char *whitespace = " \t\n\r"; char nonstd_backslash = standard_strings() ? 0 : '\\'; if (!args) { psql_error("\\copy: arguments required\n"); return NULL; } result = pg_calloc(1, sizeof(struct copy_options)); result->before_tofrom = pg_strdup(""); /* initialize for appending */ token = strtokx(args, whitespace, ".,()", "\"", 0, false, false, pset.encoding); if (!token) goto error; /* The following can be removed when we drop 7.3 syntax support */ if (pg_strcasecmp(token, "binary") == 0) { xstrcat(&result->before_tofrom, token); token = strtokx(NULL, whitespace, ".,()", "\"", 0, false, false, pset.encoding); if (!token) goto error; } /* Handle COPY (SELECT) case */ if (token[0] == '(') { int parens = 1; while (parens > 0) { xstrcat(&result->before_tofrom, " "); xstrcat(&result->before_tofrom, token); token = strtokx(NULL, whitespace, "()", "\"'", nonstd_backslash, true, false, pset.encoding); if (!token) goto error; if (token[0] == '(') parens++; else if (token[0] == ')') parens--; } } xstrcat(&result->before_tofrom, " "); xstrcat(&result->before_tofrom, token); token = strtokx(NULL, whitespace, ".,()", "\"", 0, false, false, pset.encoding); if (!token) goto error; /* * strtokx() will not have returned a multi-character token starting with * '.', so we don't need strcmp() here. Likewise for '(', etc, below. */ if (token[0] == '.') { /* handle schema . table */ xstrcat(&result->before_tofrom, token); token = strtokx(NULL, whitespace, ".,()", "\"", 0, false, false, pset.encoding); if (!token) goto error; xstrcat(&result->before_tofrom, token); token = strtokx(NULL, whitespace, ".,()", "\"", 0, false, false, pset.encoding); if (!token) goto error; } if (token[0] == '(') { /* handle parenthesized column list */ for (;;) { xstrcat(&result->before_tofrom, " "); xstrcat(&result->before_tofrom, token); token = strtokx(NULL, whitespace, "()", "\"", 0, false, false, pset.encoding); if (!token) goto error; if (token[0] == ')') break; } xstrcat(&result->before_tofrom, " "); xstrcat(&result->before_tofrom, token); token = strtokx(NULL, whitespace, ".,()", "\"", 0, false, false, pset.encoding); if (!token) goto error; } if (pg_strcasecmp(token, "from") == 0) result->from = true; else if (pg_strcasecmp(token, "to") == 0) result->from = false; else goto error; token = strtokx(NULL, whitespace, NULL, "'", 0, false, true, pset.encoding); if (!token) goto error; if (pg_strcasecmp(token, "stdin") == 0 || pg_strcasecmp(token, "stdout") == 0) { result->psql_inout = false; result->file = NULL; } else if (pg_strcasecmp(token, "pstdin") == 0 || pg_strcasecmp(token, "pstdout") == 0) { result->psql_inout = true; result->file = NULL; } else { result->psql_inout = false; result->file = pg_strdup(token); expand_tilde(&result->file); } /* Collect the rest of the line (COPY options) */ token = strtokx(NULL, "", NULL, NULL, 0, false, false, pset.encoding); if (token) result->after_tofrom = pg_strdup(token); return result; error: if (token) psql_error("\\copy: parse error at \"%s\"\n", token); else psql_error("\\copy: parse error at end of line\n"); free_copy_options(result); return NULL; }
static struct copy_options * parse_slash_copy(const char *args) { struct copy_options *result; char *line; char *token; const char *whitespace = " \t\n\r"; char nonstd_backslash = standard_strings() ? 0 : '\\'; if (args) line = pg_strdup(args); else { psql_error("\\copy: arguments required\n"); return NULL; } result = pg_calloc(1, sizeof(struct copy_options)); token = strtokx(line, whitespace, ".,()", "\"", 0, false, false, pset.encoding); if (!token) goto error; if (pg_strcasecmp(token, "binary") == 0) { result->binary = true; token = strtokx(NULL, whitespace, ".,()", "\"", 0, false, false, pset.encoding); if (!token) goto error; } result->table = pg_strdup(token); /* Handle COPY (SELECT) case */ if (token[0] == '(') { int parens = 1; while (parens > 0) { token = strtokx(NULL, whitespace, "()", "\"'", nonstd_backslash, true, false, pset.encoding); if (!token) goto error; if (token[0] == '(') parens++; else if (token[0] == ')') parens--; xstrcat(&result->table, " "); xstrcat(&result->table, token); } } token = strtokx(NULL, whitespace, ".,()", "\"", 0, false, false, pset.encoding); if (!token) goto error; /* * strtokx() will not have returned a multi-character token starting with * '.', so we don't need strcmp() here. Likewise for '(', etc, below. */ if (token[0] == '.') { /* handle schema . table */ xstrcat(&result->table, token); token = strtokx(NULL, whitespace, ".,()", "\"", 0, false, false, pset.encoding); if (!token) goto error; xstrcat(&result->table, token); token = strtokx(NULL, whitespace, ".,()", "\"", 0, false, false, pset.encoding); if (!token) goto error; } if (token[0] == '(') { /* handle parenthesized column list */ result->column_list = pg_strdup(token); for (;;) { token = strtokx(NULL, whitespace, ".,()", "\"", 0, false, false, pset.encoding); if (!token || strchr(".,()", token[0])) goto error; xstrcat(&result->column_list, token); token = strtokx(NULL, whitespace, ".,()", "\"", 0, false, false, pset.encoding); if (!token) goto error; xstrcat(&result->column_list, token); if (token[0] == ')') break; if (token[0] != ',') goto error; } token = strtokx(NULL, whitespace, ".,()", "\"", 0, false, false, pset.encoding); if (!token) goto error; } /* * Allows old COPY syntax for backward compatibility 2002-06-19 */ if (pg_strcasecmp(token, "with") == 0) { token = strtokx(NULL, whitespace, NULL, NULL, 0, false, false, pset.encoding); if (!token || pg_strcasecmp(token, "oids") != 0) goto error; result->oids = true; token = strtokx(NULL, whitespace, NULL, NULL, 0, false, false, pset.encoding); if (!token) goto error; } if (pg_strcasecmp(token, "from") == 0) result->from = true; else if (pg_strcasecmp(token, "to") == 0) result->from = false; else goto error; token = strtokx(NULL, whitespace, NULL, "'", 0, false, true, pset.encoding); if (!token) goto error; if (pg_strcasecmp(token, "stdin") == 0 || pg_strcasecmp(token, "stdout") == 0) { result->psql_inout = false; result->file = NULL; } else if (pg_strcasecmp(token, "pstdin") == 0 || pg_strcasecmp(token, "pstdout") == 0) { result->psql_inout = true; result->file = NULL; } else { result->psql_inout = false; result->file = pg_strdup(token); expand_tilde(&result->file); } token = strtokx(NULL, whitespace, NULL, NULL, 0, false, false, pset.encoding); /* * Allows old COPY syntax for backward compatibility. */ if (token && pg_strcasecmp(token, "using") == 0) { token = strtokx(NULL, whitespace, NULL, NULL, 0, false, false, pset.encoding); if (!(token && pg_strcasecmp(token, "delimiters") == 0)) goto error; } if (token && pg_strcasecmp(token, "delimiters") == 0) { token = strtokx(NULL, whitespace, NULL, "'", nonstd_backslash, true, false, pset.encoding); if (!token) goto error; result->delim = pg_strdup(token); token = strtokx(NULL, whitespace, NULL, NULL, 0, false, false, pset.encoding); } if (token) { /* * WITH is optional. Also, the backend will allow WITH followed by * nothing, so we do too. */ if (pg_strcasecmp(token, "with") == 0) token = strtokx(NULL, whitespace, NULL, NULL, 0, false, false, pset.encoding); while (token) { bool fetch_next; fetch_next = true; if (pg_strcasecmp(token, "oids") == 0) result->oids = true; else if (pg_strcasecmp(token, "binary") == 0) result->binary = true; else if (pg_strcasecmp(token, "csv") == 0) result->csv_mode = true; else if (pg_strcasecmp(token, "header") == 0) result->header = true; else if (pg_strcasecmp(token, "delimiter") == 0) { token = strtokx(NULL, whitespace, NULL, "'", nonstd_backslash, true, false, pset.encoding); if (token && pg_strcasecmp(token, "as") == 0) token = strtokx(NULL, whitespace, NULL, "'", nonstd_backslash, true, false, pset.encoding); if (token) result->delim = pg_strdup(token); else goto error; } else if (pg_strcasecmp(token, "null") == 0) { token = strtokx(NULL, whitespace, NULL, "'", nonstd_backslash, true, false, pset.encoding); if (token && pg_strcasecmp(token, "as") == 0) token = strtokx(NULL, whitespace, NULL, "'", nonstd_backslash, true, false, pset.encoding); if (token) result->null = pg_strdup(token); else goto error; } else if (pg_strcasecmp(token, "quote") == 0) { token = strtokx(NULL, whitespace, NULL, "'", nonstd_backslash, true, false, pset.encoding); if (token && pg_strcasecmp(token, "as") == 0) token = strtokx(NULL, whitespace, NULL, "'", nonstd_backslash, true, false, pset.encoding); if (token) result->quote = pg_strdup(token); else goto error; } else if (pg_strcasecmp(token, "escape") == 0) { token = strtokx(NULL, whitespace, NULL, "'", nonstd_backslash, true, false, pset.encoding); if (token && pg_strcasecmp(token, "as") == 0) token = strtokx(NULL, whitespace, NULL, "'", nonstd_backslash, true, false, pset.encoding); if (token) result->escape = pg_strdup(token); else goto error; } else if (pg_strcasecmp(token, "force") == 0) { token = strtokx(NULL, whitespace, ",", "\"", 0, false, false, pset.encoding); if (pg_strcasecmp(token, "quote") == 0) { /* handle column list */ fetch_next = false; for (;;) { token = strtokx(NULL, whitespace, ",", "\"", 0, false, false, pset.encoding); if (!token || strchr(",", token[0])) goto error; if (!result->force_quote_list) result->force_quote_list = pg_strdup(token); else xstrcat(&result->force_quote_list, token); token = strtokx(NULL, whitespace, ",", "\"", 0, false, false, pset.encoding); if (!token || token[0] != ',') break; xstrcat(&result->force_quote_list, token); } } else if (pg_strcasecmp(token, "not") == 0) { token = strtokx(NULL, whitespace, ",", "\"", 0, false, false, pset.encoding); if (pg_strcasecmp(token, "null") != 0) goto error; /* handle column list */ fetch_next = false; for (;;) { token = strtokx(NULL, whitespace, ",", "\"", 0, false, false, pset.encoding); if (!token || strchr(",", token[0])) goto error; if (!result->force_notnull_list) result->force_notnull_list = pg_strdup(token); else xstrcat(&result->force_notnull_list, token); token = strtokx(NULL, whitespace, ",", "\"", 0, false, false, pset.encoding); if (!token || token[0] != ',') break; xstrcat(&result->force_notnull_list, token); } } else goto error; } else goto error; if (fetch_next) token = strtokx(NULL, whitespace, NULL, NULL, 0, false, false, pset.encoding); } } free(line); return result; error: if (token) psql_error("\\copy: parse error at \"%s\"\n", token); else psql_error("\\copy: parse error at end of line\n"); free_copy_options(result); free(line); return NULL; }
int main(int argc, char **argv) { RestoreOptions *opts; int c; int exit_code; int numWorkers = 1; Archive *AH; char *inputFileSpec; static int disable_triggers = 0; static int enable_row_security = 0; static int if_exists = 0; static int no_data_for_failed_tables = 0; static int outputNoTablespaces = 0; static int use_setsessauth = 0; static int no_comments = 0; static int no_publications = 0; static int no_security_labels = 0; static int no_subscriptions = 0; static int strict_names = 0; struct option cmdopts[] = { {"clean", 0, NULL, 'c'}, {"create", 0, NULL, 'C'}, {"data-only", 0, NULL, 'a'}, {"dbname", 1, NULL, 'd'}, {"exit-on-error", 0, NULL, 'e'}, {"exclude-schema", 1, NULL, 'N'}, {"file", 1, NULL, 'f'}, {"format", 1, NULL, 'F'}, {"function", 1, NULL, 'P'}, {"host", 1, NULL, 'h'}, {"index", 1, NULL, 'I'}, {"jobs", 1, NULL, 'j'}, {"list", 0, NULL, 'l'}, {"no-privileges", 0, NULL, 'x'}, {"no-acl", 0, NULL, 'x'}, {"no-owner", 0, NULL, 'O'}, {"no-reconnect", 0, NULL, 'R'}, {"port", 1, NULL, 'p'}, {"no-password", 0, NULL, 'w'}, {"password", 0, NULL, 'W'}, {"schema", 1, NULL, 'n'}, {"schema-only", 0, NULL, 's'}, {"superuser", 1, NULL, 'S'}, {"table", 1, NULL, 't'}, {"trigger", 1, NULL, 'T'}, {"use-list", 1, NULL, 'L'}, {"username", 1, NULL, 'U'}, {"verbose", 0, NULL, 'v'}, {"single-transaction", 0, NULL, '1'}, /* * the following options don't have an equivalent short option letter */ {"disable-triggers", no_argument, &disable_triggers, 1}, {"enable-row-security", no_argument, &enable_row_security, 1}, {"if-exists", no_argument, &if_exists, 1}, {"no-data-for-failed-tables", no_argument, &no_data_for_failed_tables, 1}, {"no-tablespaces", no_argument, &outputNoTablespaces, 1}, {"role", required_argument, NULL, 2}, {"section", required_argument, NULL, 3}, {"strict-names", no_argument, &strict_names, 1}, {"use-set-session-authorization", no_argument, &use_setsessauth, 1}, {"no-comments", no_argument, &no_comments, 1}, {"no-publications", no_argument, &no_publications, 1}, {"no-security-labels", no_argument, &no_security_labels, 1}, {"no-subscriptions", no_argument, &no_subscriptions, 1}, {NULL, 0, NULL, 0} }; set_pglocale_pgservice(argv[0], PG_TEXTDOMAIN("pg_dump")); init_parallel_dump_utils(); opts = NewRestoreOptions(); progname = get_progname(argv[0]); if (argc > 1) { if (strcmp(argv[1], "--help") == 0 || strcmp(argv[1], "-?") == 0) { usage(progname); exit_nicely(0); } if (strcmp(argv[1], "--version") == 0 || strcmp(argv[1], "-V") == 0) { puts("pg_restore (PostgreSQL) " PG_VERSION); exit_nicely(0); } } while ((c = getopt_long(argc, argv, "acCd:ef:F:h:I:j:lL:n:N:Op:P:RsS:t:T:U:vwWx1", cmdopts, NULL)) != -1) { switch (c) { case 'a': /* Dump data only */ opts->dataOnly = 1; break; case 'c': /* clean (i.e., drop) schema prior to create */ opts->dropSchema = 1; break; case 'C': opts->createDB = 1; break; case 'd': opts->dbname = pg_strdup(optarg); break; case 'e': opts->exit_on_error = true; break; case 'f': /* output file name */ opts->filename = pg_strdup(optarg); break; case 'F': if (strlen(optarg) != 0) opts->formatName = pg_strdup(optarg); break; case 'h': if (strlen(optarg) != 0) opts->pghost = pg_strdup(optarg); break; case 'j': /* number of restore jobs */ numWorkers = atoi(optarg); break; case 'l': /* Dump the TOC summary */ opts->tocSummary = 1; break; case 'L': /* input TOC summary file name */ opts->tocFile = pg_strdup(optarg); break; case 'n': /* Dump data for this schema only */ simple_string_list_append(&opts->schemaNames, optarg); break; case 'N': /* Do not dump data for this schema */ simple_string_list_append(&opts->schemaExcludeNames, optarg); break; case 'O': opts->noOwner = 1; break; case 'p': if (strlen(optarg) != 0) opts->pgport = pg_strdup(optarg); break; case 'R': /* no-op, still accepted for backwards compatibility */ break; case 'P': /* Function */ opts->selTypes = 1; opts->selFunction = 1; simple_string_list_append(&opts->functionNames, optarg); break; case 'I': /* Index */ opts->selTypes = 1; opts->selIndex = 1; simple_string_list_append(&opts->indexNames, optarg); break; case 'T': /* Trigger */ opts->selTypes = 1; opts->selTrigger = 1; simple_string_list_append(&opts->triggerNames, optarg); break; case 's': /* dump schema only */ opts->schemaOnly = 1; break; case 'S': /* Superuser username */ if (strlen(optarg) != 0) opts->superuser = pg_strdup(optarg); break; case 't': /* Dump specified table(s) only */ opts->selTypes = 1; opts->selTable = 1; simple_string_list_append(&opts->tableNames, optarg); break; case 'U': opts->username = pg_strdup(optarg); break; case 'v': /* verbose */ opts->verbose = 1; break; case 'w': opts->promptPassword = TRI_NO; break; case 'W': opts->promptPassword = TRI_YES; break; case 'x': /* skip ACL dump */ opts->aclsSkip = 1; break; case '1': /* Restore data in a single transaction */ opts->single_txn = true; opts->exit_on_error = true; break; case 0: /* * This covers the long options without a short equivalent. */ break; case 2: /* SET ROLE */ opts->use_role = pg_strdup(optarg); break; case 3: /* section */ set_dump_section(optarg, &(opts->dumpSections)); break; default: fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname); exit_nicely(1); } } /* Get file name from command line */ if (optind < argc) inputFileSpec = argv[optind++]; else inputFileSpec = NULL; /* Complain if any arguments remain */ if (optind < argc) { fprintf(stderr, _("%s: too many command-line arguments (first is \"%s\")\n"), progname, argv[optind]); fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname); exit_nicely(1); } /* Should get at most one of -d and -f, else user is confused */ if (opts->dbname) { if (opts->filename) { fprintf(stderr, _("%s: options -d/--dbname and -f/--file cannot be used together\n"), progname); fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname); exit_nicely(1); } opts->useDB = 1; } if (opts->dataOnly && opts->schemaOnly) { fprintf(stderr, _("%s: options -s/--schema-only and -a/--data-only cannot be used together\n"), progname); exit_nicely(1); } if (opts->dataOnly && opts->dropSchema) { fprintf(stderr, _("%s: options -c/--clean and -a/--data-only cannot be used together\n"), progname); exit_nicely(1); } if (numWorkers <= 0) { fprintf(stderr, _("%s: invalid number of parallel jobs\n"), progname); exit(1); } /* See comments in pg_dump.c */ #ifdef WIN32 if (numWorkers > MAXIMUM_WAIT_OBJECTS) { fprintf(stderr, _("%s: maximum number of parallel jobs is %d\n"), progname, MAXIMUM_WAIT_OBJECTS); exit(1); } #endif /* Can't do single-txn mode with multiple connections */ if (opts->single_txn && numWorkers > 1) { fprintf(stderr, _("%s: cannot specify both --single-transaction and multiple jobs\n"), progname); exit_nicely(1); } opts->disable_triggers = disable_triggers; opts->enable_row_security = enable_row_security; opts->noDataForFailedTables = no_data_for_failed_tables; opts->noTablespace = outputNoTablespaces; opts->use_setsessauth = use_setsessauth; opts->no_comments = no_comments; opts->no_publications = no_publications; opts->no_security_labels = no_security_labels; opts->no_subscriptions = no_subscriptions; if (if_exists && !opts->dropSchema) { fprintf(stderr, _("%s: option --if-exists requires option -c/--clean\n"), progname); exit_nicely(1); } opts->if_exists = if_exists; opts->strict_names = strict_names; if (opts->formatName) { switch (opts->formatName[0]) { case 'c': case 'C': opts->format = archCustom; break; case 'd': case 'D': opts->format = archDirectory; break; case 't': case 'T': opts->format = archTar; break; default: write_msg(NULL, "unrecognized archive format \"%s\"; please specify \"c\", \"d\", or \"t\"\n", opts->formatName); exit_nicely(1); } } AH = OpenArchive(inputFileSpec, opts->format); SetArchiveOptions(AH, NULL, opts); /* * We don't have a connection yet but that doesn't matter. The connection * is initialized to NULL and if we terminate through exit_nicely() while * it's still NULL, the cleanup function will just be a no-op. */ on_exit_close_archive(AH); /* Let the archiver know how noisy to be */ AH->verbose = opts->verbose; /* * Whether to keep submitting sql commands as "pg_restore ... | psql ... " */ AH->exit_on_error = opts->exit_on_error; if (opts->tocFile) SortTocFromFile(AH); AH->numWorkers = numWorkers; if (opts->tocSummary) PrintTOCSummary(AH); else { ProcessArchiveRestoreOptions(AH); RestoreArchive(AH); } /* done, print a summary of ignored errors */ if (AH->n_errors) fprintf(stderr, _("WARNING: errors ignored on restore: %d\n"), AH->n_errors); /* AH may be freed in CloseArchive? */ exit_code = AH->n_errors ? 1 : 0; CloseArchive(AH); return exit_code; }
/* * get_loadable_libraries() * * Fetch the names of all old libraries containing C-language functions. * We will later check that they all exist in the new installation. */ void get_loadable_libraries(void) { ClusterInfo *active_cluster = &old_cluster; PGresult **ress; int totaltups; int dbnum; ress = (PGresult **) pg_malloc(active_cluster->dbarr.ndbs * sizeof(PGresult *)); totaltups = 0; /* Fetch all library names, removing duplicates within each DB */ for (dbnum = 0; dbnum < active_cluster->dbarr.ndbs; dbnum++) { DbInfo *active_db = &active_cluster->dbarr.dbs[dbnum]; PGconn *conn = connectToServer(active_db->db_name, CLUSTER_OLD); /* Fetch all libraries referenced in this DB */ ress[dbnum] = executeQueryOrDie(conn, "SELECT DISTINCT probin " "FROM pg_catalog.pg_proc " "WHERE prolang = 13 /* C */ AND " " probin IS NOT NULL AND " " oid >= %u;", FirstNormalObjectId); totaltups += PQntuples(ress[dbnum]); PQfinish(conn); } /* Allocate what's certainly enough space */ if (totaltups > 0) os_info.libraries = (char **) pg_malloc(totaltups * sizeof(char *)); else os_info.libraries = NULL; /* * Now remove duplicates across DBs. This is pretty inefficient code, but * there probably aren't enough entries to matter. */ totaltups = 0; for (dbnum = 0; dbnum < active_cluster->dbarr.ndbs; dbnum++) { PGresult *res = ress[dbnum]; int ntups; int rowno; ntups = PQntuples(res); for (rowno = 0; rowno < ntups; rowno++) { char *lib = PQgetvalue(res, rowno, 0); bool dup = false; int n; for (n = 0; n < totaltups; n++) { if (strcmp(lib, os_info.libraries[n]) == 0) { dup = true; break; } } if (!dup) os_info.libraries[totaltups++] = pg_strdup(lib); } PQclear(res); } os_info.num_libraries = totaltups; pg_free(ress); }
char * get_prompt(promptStatus_t status, ConditionalStack cstack) { #define MAX_PROMPT_SIZE 256 static char destination[MAX_PROMPT_SIZE + 1]; char buf[MAX_PROMPT_SIZE + 1]; bool esc = false; const char *p; const char *prompt_string = "? "; switch (status) { case PROMPT_READY: prompt_string = pset.prompt1; break; case PROMPT_CONTINUE: case PROMPT_SINGLEQUOTE: case PROMPT_DOUBLEQUOTE: case PROMPT_DOLLARQUOTE: case PROMPT_COMMENT: case PROMPT_PAREN: prompt_string = pset.prompt2; break; case PROMPT_COPY: prompt_string = pset.prompt3; break; } destination[0] = '\0'; for (p = prompt_string; *p && strlen(destination) < sizeof(destination) - 1; p++) { memset(buf, 0, sizeof(buf)); if (esc) { switch (*p) { /* Current database */ case '/': if (pset.db) strlcpy(buf, PQdb(pset.db), sizeof(buf)); break; case '~': if (pset.db) { const char *var; if (strcmp(PQdb(pset.db), PQuser(pset.db)) == 0 || ((var = getenv("PGDATABASE")) && strcmp(var, PQdb(pset.db)) == 0)) strlcpy(buf, "~", sizeof(buf)); else strlcpy(buf, PQdb(pset.db), sizeof(buf)); } break; /* DB server hostname (long/short) */ case 'M': case 'm': if (pset.db) { const char *host = PQhost(pset.db); /* INET socket */ if (host && host[0] && !is_absolute_path(host)) { strlcpy(buf, host, sizeof(buf)); if (*p == 'm') buf[strcspn(buf, ".")] = '\0'; } #ifdef HAVE_UNIX_SOCKETS /* UNIX socket */ else { if (!host || strcmp(host, DEFAULT_PGSOCKET_DIR) == 0 || *p == 'm') strlcpy(buf, "[local]", sizeof(buf)); else snprintf(buf, sizeof(buf), "[local:%s]", host); } #endif } break; /* DB server port number */ case '>': if (pset.db && PQport(pset.db)) strlcpy(buf, PQport(pset.db), sizeof(buf)); break; /* DB server user name */ case 'n': if (pset.db) strlcpy(buf, session_username(), sizeof(buf)); break; /* backend pid */ case 'p': if (pset.db) { int pid = PQbackendPID(pset.db); if (pid) snprintf(buf, sizeof(buf), "%d", pid); } break; case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': *buf = (char) strtol(p, (char **) &p, 8); --p; break; case 'R': switch (status) { case PROMPT_READY: if (cstack != NULL && !conditional_active(cstack)) buf[0] = '@'; else if (!pset.db) buf[0] = '!'; else if (!pset.singleline) buf[0] = '='; else buf[0] = '^'; break; case PROMPT_CONTINUE: buf[0] = '-'; break; case PROMPT_SINGLEQUOTE: buf[0] = '\''; break; case PROMPT_DOUBLEQUOTE: buf[0] = '"'; break; case PROMPT_DOLLARQUOTE: buf[0] = '$'; break; case PROMPT_COMMENT: buf[0] = '*'; break; case PROMPT_PAREN: buf[0] = '('; break; default: buf[0] = '\0'; break; } break; case 'x': if (!pset.db) buf[0] = '?'; else switch (PQtransactionStatus(pset.db)) { case PQTRANS_IDLE: buf[0] = '\0'; break; case PQTRANS_ACTIVE: case PQTRANS_INTRANS: buf[0] = '*'; break; case PQTRANS_INERROR: buf[0] = '!'; break; default: buf[0] = '?'; break; } break; case 'l': snprintf(buf, sizeof(buf), UINT64_FORMAT, pset.stmt_lineno); break; case '?': /* not here yet */ break; case '#': if (is_superuser()) buf[0] = '#'; else buf[0] = '>'; break; /* execute command */ case '`': { FILE *fd; char *file = pg_strdup(p + 1); int cmdend; cmdend = strcspn(file, "`"); file[cmdend] = '\0'; fd = popen(file, "r"); if (fd) { if (fgets(buf, sizeof(buf), fd) == NULL) buf[0] = '\0'; pclose(fd); } if (strlen(buf) > 0 && buf[strlen(buf) - 1] == '\n') buf[strlen(buf) - 1] = '\0'; free(file); p += cmdend + 1; break; } /* interpolate variable */ case ':': { char *name; const char *val; int nameend; name = pg_strdup(p + 1); nameend = strcspn(name, ":"); name[nameend] = '\0'; val = GetVariable(pset.vars, name); if (val) strlcpy(buf, val, sizeof(buf)); free(name); p += nameend + 1; break; } case '[': case ']': #if defined(USE_READLINE) && defined(RL_PROMPT_START_IGNORE) /* * readline >=4.0 undocumented feature: non-printing * characters in prompt strings must be marked as such, in * order to properly display the line during editing. */ buf[0] = (*p == '[') ? RL_PROMPT_START_IGNORE : RL_PROMPT_END_IGNORE; buf[1] = '\0'; #endif /* USE_READLINE */ break; default: buf[0] = *p; buf[1] = '\0'; break; } esc = false; } else if (*p == '%') esc = true; else { buf[0] = *p; buf[1] = '\0'; esc = false; } if (!esc) strlcat(destination, buf, sizeof(destination)); } return destination; }
static void parse_psql_options(int argc, char *argv[], struct adhoc_opts * options) { static struct option long_options[] = { {"echo-all", no_argument, NULL, 'a'}, {"no-align", no_argument, NULL, 'A'}, {"command", required_argument, NULL, 'c'}, {"dbname", required_argument, NULL, 'd'}, {"echo-queries", no_argument, NULL, 'e'}, {"echo-errors", no_argument, NULL, 'b'}, {"echo-hidden", no_argument, NULL, 'E'}, {"file", required_argument, NULL, 'f'}, {"field-separator", required_argument, NULL, 'F'}, {"field-separator-zero", no_argument, NULL, 'z'}, {"host", required_argument, NULL, 'h'}, {"html", no_argument, NULL, 'H'}, {"list", no_argument, NULL, 'l'}, {"log-file", required_argument, NULL, 'L'}, {"no-readline", no_argument, NULL, 'n'}, {"single-transaction", no_argument, NULL, '1'}, {"output", required_argument, NULL, 'o'}, {"port", required_argument, NULL, 'p'}, {"pset", required_argument, NULL, 'P'}, {"quiet", no_argument, NULL, 'q'}, {"record-separator", required_argument, NULL, 'R'}, {"record-separator-zero", no_argument, NULL, '0'}, {"single-step", no_argument, NULL, 's'}, {"single-line", no_argument, NULL, 'S'}, {"tuples-only", no_argument, NULL, 't'}, {"table-attr", required_argument, NULL, 'T'}, {"username", required_argument, NULL, 'U'}, {"set", required_argument, NULL, 'v'}, {"variable", required_argument, NULL, 'v'}, {"version", no_argument, NULL, 'V'}, {"no-password", no_argument, NULL, 'w'}, {"password", no_argument, NULL, 'W'}, {"expanded", no_argument, NULL, 'x'}, {"no-psqlrc", no_argument, NULL, 'X'}, {"help", optional_argument, NULL, 1}, {NULL, 0, NULL, 0} }; int optindex; int c; memset(options, 0, sizeof *options); while ((c = getopt_long(argc, argv, "aAbc:d:eEf:F:h:HlL:no:p:P:qR:sStT:U:v:VwWxXz?01", long_options, &optindex)) != -1) { switch (c) { case 'a': SetVariable(pset.vars, "ECHO", "all"); break; case 'A': pset.popt.topt.format = PRINT_UNALIGNED; break; case 'b': SetVariable(pset.vars, "ECHO", "errors"); break; case 'c': options->action_string = pg_strdup(optarg); if (optarg[0] == '\\') { options->action = ACT_SINGLE_SLASH; options->action_string++; } else options->action = ACT_SINGLE_QUERY; break; case 'd': options->dbname = pg_strdup(optarg); break; case 'e': SetVariable(pset.vars, "ECHO", "queries"); break; case 'E': SetVariableBool(pset.vars, "ECHO_HIDDEN"); break; case 'f': options->action = ACT_FILE; options->action_string = pg_strdup(optarg); break; case 'F': pset.popt.topt.fieldSep.separator = pg_strdup(optarg); pset.popt.topt.fieldSep.separator_zero = false; break; case 'h': options->host = pg_strdup(optarg); break; case 'H': pset.popt.topt.format = PRINT_HTML; break; case 'l': options->action = ACT_LIST_DB; break; case 'L': options->logfilename = pg_strdup(optarg); break; case 'n': options->no_readline = true; break; case 'o': setQFout(optarg); break; case 'p': options->port = pg_strdup(optarg); break; case 'P': { char *value; char *equal_loc; bool result; value = pg_strdup(optarg); equal_loc = strchr(value, '='); if (!equal_loc) result = do_pset(value, NULL, &pset.popt, true); else { *equal_loc = '\0'; result = do_pset(value, equal_loc + 1, &pset.popt, true); } if (!result) { fprintf(stderr, _("%s: could not set printing parameter \"%s\"\n"), pset.progname, value); exit(EXIT_FAILURE); } free(value); break; } case 'q': SetVariableBool(pset.vars, "QUIET"); break; case 'R': pset.popt.topt.recordSep.separator = pg_strdup(optarg); pset.popt.topt.recordSep.separator_zero = false; break; case 's': SetVariableBool(pset.vars, "SINGLESTEP"); break; case 'S': SetVariableBool(pset.vars, "SINGLELINE"); break; case 't': pset.popt.topt.tuples_only = true; break; case 'T': pset.popt.topt.tableAttr = pg_strdup(optarg); break; case 'U': options->username = pg_strdup(optarg); break; case 'v': { char *value; char *equal_loc; value = pg_strdup(optarg); equal_loc = strchr(value, '='); if (!equal_loc) { if (!DeleteVariable(pset.vars, value)) { fprintf(stderr, _("%s: could not delete variable \"%s\"\n"), pset.progname, value); exit(EXIT_FAILURE); } } else { *equal_loc = '\0'; if (!SetVariable(pset.vars, value, equal_loc + 1)) { fprintf(stderr, _("%s: could not set variable \"%s\"\n"), pset.progname, value); exit(EXIT_FAILURE); } } free(value); break; } case 'V': showVersion(); exit(EXIT_SUCCESS); case 'w': pset.getPassword = TRI_NO; break; case 'W': pset.getPassword = TRI_YES; break; case 'x': pset.popt.topt.expanded = true; break; case 'X': options->no_psqlrc = true; break; case 'z': pset.popt.topt.fieldSep.separator_zero = true; break; case '0': pset.popt.topt.recordSep.separator_zero = true; break; case '1': options->single_txn = true; break; case '?': /* Actual help option given */ if (strcmp(argv[optind - 1], "-?") == 0) { usage(NOPAGER); exit(EXIT_SUCCESS); } /* unknown option reported by getopt */ else goto unknown_option; break; case 1: { if (!optarg || strcmp(optarg, "options") == 0) usage(NOPAGER); else if (optarg && strcmp(optarg, "commands") == 0) slashUsage(NOPAGER); else if (optarg && strcmp(optarg, "variables") == 0) helpVariables(NOPAGER); else goto unknown_option; exit(EXIT_SUCCESS); } break; default: unknown_option: fprintf(stderr, _("Try \"%s --help\" for more information.\n"), pset.progname); exit(EXIT_FAILURE); break; } } /* * if we still have arguments, use it as the database name and username */ while (argc - optind >= 1) { if (!options->dbname) options->dbname = argv[optind]; else if (!options->username) options->username = argv[optind]; else if (!pset.quiet) fprintf(stderr, _("%s: warning: extra command-line argument \"%s\" ignored\n"), pset.progname, argv[optind]); optind++; } }
/* * Our caller already sent the query associated with this step. Wait for it * to either complete or (if given the STEP_NONBLOCK flag) to block while * waiting for a lock. We assume that any lock wait will persist until we * have executed additional steps in the permutation. * * When calling this function on behalf of a given step for a second or later * time, pass the STEP_RETRY flag. This only affects the messages printed. * * If the connection returns an error, the message is saved in step->errormsg. * Caller should call report_error_message shortly after this, to have it * printed and cleared. * * If the STEP_NONBLOCK flag was specified and the query is waiting to acquire * a lock, returns true. Otherwise, returns false. */ static bool try_complete_step(Step *step, int flags) { PGconn *conn = conns[1 + step->session]; fd_set read_set; struct timeval timeout; int sock = PQsocket(conn); int ret; PGresult *res; FD_ZERO(&read_set); while ((flags & STEP_NONBLOCK) && PQisBusy(conn)) { FD_SET(sock, &read_set); timeout.tv_sec = 0; timeout.tv_usec = 10000; /* Check for lock waits every 10ms. */ ret = select(sock + 1, &read_set, NULL, NULL, &timeout); if (ret < 0) /* error in select() */ { if (errno == EINTR) continue; fprintf(stderr, "select failed: %s\n", strerror(errno)); exit_nicely(); } else if (ret == 0) /* select() timeout: check for lock wait */ { int ntuples; res = PQexecPrepared(conns[0], PREP_WAITING, 1, &backend_pids[step->session + 1], NULL, NULL, 0); if (PQresultStatus(res) != PGRES_TUPLES_OK) { fprintf(stderr, "lock wait query failed: %s", PQerrorMessage(conn)); exit_nicely(); } ntuples = PQntuples(res); PQclear(res); if (ntuples >= 1) /* waiting to acquire a lock */ { if (!(flags & STEP_RETRY)) printf("step %s: %s <waiting ...>\n", step->name, step->sql); return true; } /* else, not waiting: give it more time */ } else if (!PQconsumeInput(conn)) /* select(): data available */ { fprintf(stderr, "PQconsumeInput failed: %s\n", PQerrorMessage(conn)); exit_nicely(); } } if (flags & STEP_RETRY) printf("step %s: <... completed>\n", step->name); else printf("step %s: %s\n", step->name, step->sql); while ((res = PQgetResult(conn))) { switch (PQresultStatus(res)) { case PGRES_COMMAND_OK: break; case PGRES_TUPLES_OK: printResultSet(res); break; case PGRES_FATAL_ERROR: if (step->errormsg != NULL) { printf("WARNING: this step had a leftover error message\n"); printf("%s\n", step->errormsg); } /* * Detail may contain XID values, so we want to just show * primary. Beware however that libpq-generated error results * may not contain subfields, only an old-style message. */ { const char *sev = PQresultErrorField(res, PG_DIAG_SEVERITY); const char *msg = PQresultErrorField(res, PG_DIAG_MESSAGE_PRIMARY); if (sev && msg) step->errormsg = psprintf("%s: %s", sev, msg); else step->errormsg = pg_strdup(PQresultErrorMessage(res)); } break; default: printf("unexpected result status: %s\n", PQresStatus(PQresultStatus(res))); } PQclear(res); } return false; }
/* * parseCommandLine() * * Parses the command line (argc, argv[]) and loads structures */ void parseCommandLine(int argc, char *argv[]) { static struct option long_options[] = { {"old-datadir", required_argument, NULL, 'd'}, {"new-datadir", required_argument, NULL, 'D'}, {"old-bindir", required_argument, NULL, 'b'}, {"new-bindir", required_argument, NULL, 'B'}, {"old-options", required_argument, NULL, 'o'}, {"new-options", required_argument, NULL, 'O'}, {"old-port", required_argument, NULL, 'p'}, {"new-port", required_argument, NULL, 'P'}, {"username", required_argument, NULL, 'U'}, {"check", no_argument, NULL, 'c'}, {"link", no_argument, NULL, 'k'}, {"retain", no_argument, NULL, 'r'}, {"jobs", required_argument, NULL, 'j'}, {"verbose", no_argument, NULL, 'v'}, {NULL, 0, NULL, 0} }; int option; /* Command line option */ int optindex = 0; /* used by getopt_long */ int os_user_effective_id; FILE *fp; char **filename; time_t run_time = time(NULL); user_opts.transfer_mode = TRANSFER_MODE_COPY; os_info.progname = get_progname(argv[0]); /* Process libpq env. variables; load values here for usage() output */ old_cluster.port = getenv("PGPORTOLD") ? atoi(getenv("PGPORTOLD")) : DEF_PGUPORT; new_cluster.port = getenv("PGPORTNEW") ? atoi(getenv("PGPORTNEW")) : DEF_PGUPORT; os_user_effective_id = get_user_info(&os_info.user); /* we override just the database user name; we got the OS id above */ if (getenv("PGUSER")) { pg_free(os_info.user); /* must save value, getenv()'s pointer is not stable */ os_info.user = pg_strdup(getenv("PGUSER")); } if (argc > 1) { if (strcmp(argv[1], "--help") == 0 || strcmp(argv[1], "-?") == 0) { usage(); exit(0); } if (strcmp(argv[1], "--version") == 0 || strcmp(argv[1], "-V") == 0) { puts("pg_upgrade (PostgreSQL) " PG_VERSION); exit(0); } } /* Allow help and version to be run as root, so do the test here. */ if (os_user_effective_id == 0) pg_fatal("%s: cannot be run as root\n", os_info.progname); if ((log_opts.internal = fopen_priv(INTERNAL_LOG_FILE, "a")) == NULL) pg_fatal("cannot write to log file %s\n", INTERNAL_LOG_FILE); while ((option = getopt_long(argc, argv, "d:D:b:B:cj:ko:O:p:P:rU:v", long_options, &optindex)) != -1) { switch (option) { case 'b': old_cluster.bindir = pg_strdup(optarg); break; case 'B': new_cluster.bindir = pg_strdup(optarg); break; case 'c': user_opts.check = true; break; case 'd': old_cluster.pgdata = pg_strdup(optarg); old_cluster.pgconfig = pg_strdup(optarg); break; case 'D': new_cluster.pgdata = pg_strdup(optarg); new_cluster.pgconfig = pg_strdup(optarg); break; case 'j': user_opts.jobs = atoi(optarg); break; case 'k': user_opts.transfer_mode = TRANSFER_MODE_LINK; break; case 'o': old_cluster.pgopts = pg_strdup(optarg); break; case 'O': new_cluster.pgopts = pg_strdup(optarg); break; /* * Someday, the port number option could be removed and passed * using -o/-O, but that requires postmaster -C to be * supported on all old/new versions. */ case 'p': if ((old_cluster.port = atoi(optarg)) <= 0) { pg_fatal("invalid old port number\n"); exit(1); } break; case 'P': if ((new_cluster.port = atoi(optarg)) <= 0) { pg_fatal("invalid new port number\n"); exit(1); } break; case 'r': log_opts.retain = true; break; case 'U': pg_free(os_info.user); os_info.user = pg_strdup(optarg); os_info.user_specified = true; /* * Push the user name into the environment so pre-9.1 * pg_ctl/libpq uses it. */ pg_putenv("PGUSER", os_info.user); break; case 'v': pg_log(PG_REPORT, "Running in verbose mode\n"); log_opts.verbose = true; break; default: pg_fatal("Try \"%s --help\" for more information.\n", os_info.progname); break; } } /* label start of upgrade in logfiles */ for (filename = output_files; *filename != NULL; filename++) { if ((fp = fopen_priv(*filename, "a")) == NULL) pg_fatal("cannot write to log file %s\n", *filename); /* Start with newline because we might be appending to a file. */ fprintf(fp, "\n" "-----------------------------------------------------------------\n" " pg_upgrade run on %s" "-----------------------------------------------------------------\n\n", ctime(&run_time)); fclose(fp); } /* Turn off read-only mode; add prefix to PGOPTIONS? */ if (getenv("PGOPTIONS")) { char *pgoptions = psprintf("%s %s", FIX_DEFAULT_READ_ONLY, getenv("PGOPTIONS")); pg_putenv("PGOPTIONS", pgoptions); pfree(pgoptions); } else pg_putenv("PGOPTIONS", FIX_DEFAULT_READ_ONLY); /* Get values from env if not already set */ check_required_directory(&old_cluster.bindir, NULL, "PGBINOLD", "-b", "old cluster binaries reside"); check_required_directory(&new_cluster.bindir, NULL, "PGBINNEW", "-B", "new cluster binaries reside"); check_required_directory(&old_cluster.pgdata, &old_cluster.pgconfig, "PGDATAOLD", "-d", "old cluster data resides"); check_required_directory(&new_cluster.pgdata, &new_cluster.pgconfig, "PGDATANEW", "-D", "new cluster data resides"); #ifdef WIN32 /* * On Windows, initdb --sync-only will fail with a "Permission denied" * error on file pg_upgrade_utility.log if pg_upgrade is run inside * the new cluster directory, so we do a check here. */ { char cwd[MAXPGPATH], new_cluster_pgdata[MAXPGPATH]; strlcpy(new_cluster_pgdata, new_cluster.pgdata, MAXPGPATH); canonicalize_path(new_cluster_pgdata); if (!getcwd(cwd, MAXPGPATH)) pg_fatal("cannot find current directory\n"); canonicalize_path(cwd); if (path_is_prefix_of_path(new_cluster_pgdata, cwd)) pg_fatal("cannot run pg_upgrade from inside the new cluster data directory on Windows\n"); } #endif }
bool do_pset(const char *param, const char *value, printQueryOpt *popt, bool quiet) { size_t vallen = 0; psql_assert(param); if (value) vallen = strlen(value); /* set format */ if (strcmp(param, "format") == 0) { if (!value) ; else if (pg_strncasecmp("unaligned", value, vallen) == 0) popt->topt.format = PRINT_UNALIGNED; else if (pg_strncasecmp("aligned", value, vallen) == 0) popt->topt.format = PRINT_ALIGNED; else if (pg_strncasecmp("wrapped", value, vallen) == 0) popt->topt.format = PRINT_WRAPPED; else if (pg_strncasecmp("html", value, vallen) == 0) popt->topt.format = PRINT_HTML; else if (pg_strncasecmp("latex", value, vallen) == 0) popt->topt.format = PRINT_LATEX; else if (pg_strncasecmp("troff-ms", value, vallen) == 0) popt->topt.format = PRINT_TROFF_MS; else { psql_error("\\pset: allowed formats are unaligned, aligned, wrapped, html, latex, troff-ms\n"); return false; } if (!quiet) printf(_("Output format is %s.\n"), _align2string(popt->topt.format)); } /* set table line style */ else if (strcmp(param, "linestyle") == 0) { if (!value) ; else if (pg_strncasecmp("ascii", value, vallen) == 0) popt->topt.line_style = &pg_asciiformat; else if (pg_strncasecmp("old-ascii", value, vallen) == 0) popt->topt.line_style = &pg_asciiformat_old; else if (pg_strncasecmp("unicode", value, vallen) == 0) popt->topt.line_style = &pg_utf8format; else { psql_error("\\pset: allowed line styles are ascii, old-ascii, unicode\n"); return false; } if (!quiet) printf(_("Line style is %s.\n"), get_line_style(&popt->topt)->name); } /* set border style/width */ else if (strcmp(param, "border") == 0) { if (value) popt->topt.border = atoi(value); if (!quiet) printf(_("Border style is %d.\n"), popt->topt.border); } /* set expanded/vertical mode */ else if (strcmp(param, "x") == 0 || strcmp(param, "expanded") == 0 || strcmp(param, "vertical") == 0) { if (value) popt->topt.expanded = ParseVariableBool(value); else popt->topt.expanded = !popt->topt.expanded; if (!quiet) printf(popt->topt.expanded ? _("Expanded display is on.\n") : _("Expanded display is off.\n")); } /* locale-aware numeric output */ else if (strcmp(param, "numericlocale") == 0) { if (value) popt->topt.numericLocale = ParseVariableBool(value); else popt->topt.numericLocale = !popt->topt.numericLocale; if (!quiet) { if (popt->topt.numericLocale) puts(_("Showing locale-adjusted numeric output.")); else puts(_("Locale-adjusted numeric output is off.")); } } /* null display */ else if (strcmp(param, "null") == 0) { if (value) { free(popt->nullPrint); popt->nullPrint = pg_strdup(value); } if (!quiet) printf(_("Null display is \"%s\".\n"), popt->nullPrint ? popt->nullPrint : ""); } /* field separator for unaligned text */ else if (strcmp(param, "fieldsep") == 0) { if (value) { free(popt->topt.fieldSep); popt->topt.fieldSep = pg_strdup(value); } if (!quiet) printf(_("Field separator is \"%s\".\n"), popt->topt.fieldSep); } /* record separator for unaligned text */ else if (strcmp(param, "recordsep") == 0) { if (value) { free(popt->topt.recordSep); popt->topt.recordSep = pg_strdup(value); } if (!quiet) { if (strcmp(popt->topt.recordSep, "\n") == 0) printf(_("Record separator is <newline>.")); else printf(_("Record separator is \"%s\".\n"), popt->topt.recordSep); } } /* toggle between full and tuples-only format */ else if (strcmp(param, "t") == 0 || strcmp(param, "tuples_only") == 0) { if (value) popt->topt.tuples_only = ParseVariableBool(value); else popt->topt.tuples_only = !popt->topt.tuples_only; if (!quiet) { if (popt->topt.tuples_only) puts(_("Showing only tuples.")); else puts(_("Tuples only is off.")); } } /* set title override */ else if (strcmp(param, "title") == 0) { free(popt->title); if (!value) popt->title = NULL; else popt->title = pg_strdup(value); if (!quiet) { if (popt->title) printf(_("Title is \"%s\".\n"), popt->title); else printf(_("Title is unset.\n")); } } /* set HTML table tag options */ else if (strcmp(param, "T") == 0 || strcmp(param, "tableattr") == 0) { free(popt->topt.tableAttr); if (!value) popt->topt.tableAttr = NULL; else popt->topt.tableAttr = pg_strdup(value); if (!quiet) { if (popt->topt.tableAttr) printf(_("Table attribute is \"%s\".\n"), popt->topt.tableAttr); else printf(_("Table attributes unset.\n")); } } /* toggle use of pager */ else if (strcmp(param, "pager") == 0) { if (value && pg_strcasecmp(value, "always") == 0) popt->topt.pager = 2; else if (value) if (ParseVariableBool(value)) popt->topt.pager = 1; else popt->topt.pager = 0; else if (popt->topt.pager == 1) popt->topt.pager = 0; else popt->topt.pager = 1; if (!quiet) { if (popt->topt.pager == 1) puts(_("Pager is used for long output.")); else if (popt->topt.pager == 2) puts(_("Pager is always used.")); else puts(_("Pager usage is off.")); } } /* disable "(x rows)" footer */ else if (strcmp(param, "footer") == 0) { if (value) popt->default_footer = ParseVariableBool(value); else popt->default_footer = !popt->default_footer; if (!quiet) { if (popt->default_footer) puts(_("Default footer is on.")); else puts(_("Default footer is off.")); } } /* set border style/width */ else if (strcmp(param, "columns") == 0) { if (value) popt->topt.columns = atoi(value); if (!quiet) printf(_("Target width for \"wrapped\" format is %d.\n"), popt->topt.columns); } else { psql_error("\\pset: unknown option: %s\n", param); return false; } return true; }
/* * Subroutine to actually try to execute a backslash command. */ static backslashResult exec_command(const char *cmd, PsqlScanState scan_state, PQExpBuffer query_buf) { bool success = true; /* indicate here if the command ran ok or * failed */ backslashResult status = PSQL_CMD_SKIP_LINE; /* * \a -- toggle field alignment This makes little sense but we keep it * around. */ if (strcmp(cmd, "a") == 0) { if (pset.popt.topt.format != PRINT_ALIGNED) success = do_pset("format", "aligned", &pset.popt, pset.quiet); else success = do_pset("format", "unaligned", &pset.popt, pset.quiet); } /* \C -- override table title (formerly change HTML caption) */ else if (strcmp(cmd, "C") == 0) { char *opt = psql_scan_slash_option(scan_state, OT_NORMAL, NULL, true); success = do_pset("title", opt, &pset.popt, pset.quiet); free(opt); } /* * \c or \connect -- connect to database using the specified parameters. * * \c dbname user host port * * If any of these parameters are omitted or specified as '-', the current * value of the parameter will be used instead. If the parameter has no * current value, the default value for that parameter will be used. Some * examples: * * \c - - hst Connect to current database on current port of host * "hst" as current user. \c - usr - prt Connect to current database on * "prt" port of current host as user "usr". \c dbs Connect to * "dbs" database on current port of current host as current user. */ else if (strcmp(cmd, "c") == 0 || strcmp(cmd, "connect") == 0) { char *opt1, *opt2, *opt3, *opt4; opt1 = read_connect_arg(scan_state); opt2 = read_connect_arg(scan_state); opt3 = read_connect_arg(scan_state); opt4 = read_connect_arg(scan_state); success = do_connect(opt1, opt2, opt3, opt4); free(opt1); free(opt2); free(opt3); free(opt4); } /* \cd */ else if (strcmp(cmd, "cd") == 0) { char *opt = psql_scan_slash_option(scan_state, OT_NORMAL, NULL, true); char *dir; if (opt) dir = opt; else { #ifndef WIN32 struct passwd *pw; pw = getpwuid(geteuid()); if (!pw) { psql_error("could not get home directory: %s\n", strerror(errno)); exit(EXIT_FAILURE); } dir = pw->pw_dir; #else /* WIN32 */ /* * On Windows, 'cd' without arguments prints the current * directory, so if someone wants to code this here instead... */ dir = "/"; #endif /* WIN32 */ } if (chdir(dir) == -1) { psql_error("\\%s: could not change directory to \"%s\": %s\n", cmd, dir, strerror(errno)); success = false; } if (pset.dirname) free(pset.dirname); pset.dirname = pg_strdup(dir); canonicalize_path(pset.dirname); if (opt) free(opt); } /* \copy */ else if (pg_strcasecmp(cmd, "copy") == 0) { /* Default fetch-it-all-and-print mode */ instr_time before, after; char *opt = psql_scan_slash_option(scan_state, OT_WHOLE_LINE, NULL, false); if (pset.timing) INSTR_TIME_SET_CURRENT(before); success = do_copy(opt); if (pset.timing && success) { INSTR_TIME_SET_CURRENT(after); INSTR_TIME_SUBTRACT(after, before); printf(_("Time: %.3f ms\n"), INSTR_TIME_GET_MILLISEC(after)); } free(opt); } /* \copyright */ else if (strcmp(cmd, "copyright") == 0) print_copyright(); /* \d* commands */ else if (cmd[0] == 'd') { char *pattern; bool show_verbose, show_system; /* We don't do SQLID reduction on the pattern yet */ pattern = psql_scan_slash_option(scan_state, OT_NORMAL, NULL, true); show_verbose = strchr(cmd, '+') ? true : false; show_system = strchr(cmd, 'S') ? true : false; switch (cmd[1]) { case '\0': case '+': case 'S': if (pattern) success = describeTableDetails(pattern, show_verbose, show_system); else /* standard listing of interesting things */ success = listTables("tvs", NULL, show_verbose, show_system); break; case 'a': success = describeAggregates(pattern, show_verbose, show_system); break; case 'b': success = describeTablespaces(pattern, show_verbose); break; case 'c': success = listConversions(pattern, show_system); break; case 'C': success = listCasts(pattern); break; case 'd': if (strncmp(cmd, "ddp", 3) == 0) success = listDefaultACLs(pattern); else success = objectDescription(pattern, show_system); break; case 'D': success = listDomains(pattern, show_system); break; case 'f': /* function subsystem */ switch (cmd[2]) { case '\0': case '+': case 'S': case 'a': case 'n': case 't': case 'w': success = describeFunctions(&cmd[2], pattern, show_verbose, show_system); break; default: status = PSQL_CMD_UNKNOWN; break; } break; case 'g': /* no longer distinct from \du */ success = describeRoles(pattern, show_verbose); break; case 'l': success = do_lo_list(); break; case 'n': success = listSchemas(pattern, show_verbose); break; case 'o': success = describeOperators(pattern, show_system); break; case 'p': success = permissionsList(pattern); break; case 'T': success = describeTypes(pattern, show_verbose, show_system); break; case 't': case 'v': case 'i': case 's': success = listTables(&cmd[1], pattern, show_verbose, show_system); break; case 'r': if (cmd[2] == 'd' && cmd[3] == 's') { char *pattern2 = NULL; if (pattern) pattern2 = psql_scan_slash_option(scan_state, OT_NORMAL, NULL, true); success = listDbRoleSettings(pattern, pattern2); } else success = PSQL_CMD_UNKNOWN; break; case 'u': success = describeRoles(pattern, show_verbose); break; case 'F': /* text search subsystem */ switch (cmd[2]) { case '\0': case '+': success = listTSConfigs(pattern, show_verbose); break; case 'p': success = listTSParsers(pattern, show_verbose); break; case 'd': success = listTSDictionaries(pattern, show_verbose); break; case 't': success = listTSTemplates(pattern, show_verbose); break; default: status = PSQL_CMD_UNKNOWN; break; } break; case 'e': /* SQL/MED subsystem */ switch (cmd[2]) { case 's': success = listForeignServers(pattern, show_verbose); break; case 'u': success = listUserMappings(pattern, show_verbose); break; case 'w': success = listForeignDataWrappers(pattern, show_verbose); break; default: status = PSQL_CMD_UNKNOWN; break; } break; default: status = PSQL_CMD_UNKNOWN; } if (pattern) free(pattern); } /* * \e or \edit -- edit the current query buffer (or a file and make it the * query buffer */ else if (strcmp(cmd, "e") == 0 || strcmp(cmd, "edit") == 0) { if (!query_buf) { psql_error("no query buffer\n"); status = PSQL_CMD_ERROR; } else { char *fname; fname = psql_scan_slash_option(scan_state, OT_NORMAL, NULL, true); expand_tilde(&fname); if (fname) canonicalize_path(fname); if (do_edit(fname, query_buf, NULL)) status = PSQL_CMD_NEWEDIT; else status = PSQL_CMD_ERROR; free(fname); } } /* * \ef -- edit the named function, or present a blank CREATE FUNCTION * template if no argument is given */ else if (strcmp(cmd, "ef") == 0) { if (!query_buf) { psql_error("no query buffer\n"); status = PSQL_CMD_ERROR; } else { char *func; Oid foid = InvalidOid; func = psql_scan_slash_option(scan_state, OT_WHOLE_LINE, NULL, true); if (!func) { /* set up an empty command to fill in */ printfPQExpBuffer(query_buf, "CREATE FUNCTION ( )\n" " RETURNS \n" " LANGUAGE \n" " -- common options: IMMUTABLE STABLE STRICT SECURITY DEFINER\n" "AS $function$\n" "\n$function$\n"); } else if (!lookup_function_oid(pset.db, func, &foid)) { /* error already reported */ status = PSQL_CMD_ERROR; } else if (!get_create_function_cmd(pset.db, foid, query_buf)) { /* error already reported */ status = PSQL_CMD_ERROR; } if (func) free(func); } if (status != PSQL_CMD_ERROR) { bool edited = false; if (!do_edit(0, query_buf, &edited)) status = PSQL_CMD_ERROR; else if (!edited) puts(_("No changes")); else status = PSQL_CMD_NEWEDIT; } } /* \echo and \qecho */ else if (strcmp(cmd, "echo") == 0 || strcmp(cmd, "qecho") == 0) { char *value; char quoted; bool no_newline = false; bool first = true; FILE *fout; if (strcmp(cmd, "qecho") == 0) fout = pset.queryFout; else fout = stdout; while ((value = psql_scan_slash_option(scan_state, OT_NORMAL, "ed, false))) { if (!quoted && strcmp(value, "-n") == 0) no_newline = true; else { if (first) first = false; else fputc(' ', fout); fputs(value, fout); } free(value); } if (!no_newline) fputs("\n", fout); } /* \encoding -- set/show client side encoding */ else if (strcmp(cmd, "encoding") == 0) { char *encoding = psql_scan_slash_option(scan_state, OT_NORMAL, NULL, false); if (!encoding) { /* show encoding */ puts(pg_encoding_to_char(pset.encoding)); } else { /* set encoding */ if (PQsetClientEncoding(pset.db, encoding) == -1) psql_error("%s: invalid encoding name or conversion procedure not found\n", encoding); else { /* save encoding info into psql internal data */ pset.encoding = PQclientEncoding(pset.db); pset.popt.topt.encoding = pset.encoding; SetVariable(pset.vars, "ENCODING", pg_encoding_to_char(pset.encoding)); } free(encoding); } } /* \f -- change field separator */ else if (strcmp(cmd, "f") == 0) { char *fname = psql_scan_slash_option(scan_state, OT_NORMAL, NULL, false); success = do_pset("fieldsep", fname, &pset.popt, pset.quiet); free(fname); } /* \g means send query */ else if (strcmp(cmd, "g") == 0) { char *fname = psql_scan_slash_option(scan_state, OT_FILEPIPE, NULL, false); if (!fname) pset.gfname = NULL; else { expand_tilde(&fname); pset.gfname = pg_strdup(fname); } free(fname); status = PSQL_CMD_SEND; } /* help */ else if (strcmp(cmd, "h") == 0 || strcmp(cmd, "help") == 0) { char *opt = psql_scan_slash_option(scan_state, OT_WHOLE_LINE, NULL, false); size_t len; /* strip any trailing spaces and semicolons */ len = strlen(opt); while (len > 0 && (isspace((unsigned char) opt[len - 1]) || opt[len - 1] == ';')) opt[--len] = '\0'; helpSQL(opt, pset.popt.topt.pager); free(opt); } /* HTML mode */ else if (strcmp(cmd, "H") == 0 || strcmp(cmd, "html") == 0) { if (pset.popt.topt.format != PRINT_HTML) success = do_pset("format", "html", &pset.popt, pset.quiet); else success = do_pset("format", "aligned", &pset.popt, pset.quiet); } /* \i is include file */ else if (strcmp(cmd, "i") == 0 || strcmp(cmd, "include") == 0) { char *fname = psql_scan_slash_option(scan_state, OT_NORMAL, NULL, true); if (!fname) { psql_error("\\%s: missing required argument\n", cmd); success = false; } else { expand_tilde(&fname); success = (process_file(fname, false) == EXIT_SUCCESS); free(fname); } } /* \l is list databases */ else if (strcmp(cmd, "l") == 0 || strcmp(cmd, "list") == 0) success = listAllDbs(false); else if (strcmp(cmd, "l+") == 0 || strcmp(cmd, "list+") == 0) success = listAllDbs(true); /* * large object things */ else if (strncmp(cmd, "lo_", 3) == 0) { char *opt1, *opt2; opt1 = psql_scan_slash_option(scan_state, OT_NORMAL, NULL, true); opt2 = psql_scan_slash_option(scan_state, OT_NORMAL, NULL, true); if (strcmp(cmd + 3, "export") == 0) { if (!opt2) { psql_error("\\%s: missing required argument\n", cmd); success = false; } else { expand_tilde(&opt2); success = do_lo_export(opt1, opt2); } } else if (strcmp(cmd + 3, "import") == 0) { if (!opt1) { psql_error("\\%s: missing required argument\n", cmd); success = false; } else { expand_tilde(&opt1); success = do_lo_import(opt1, opt2); } } else if (strcmp(cmd + 3, "list") == 0) success = do_lo_list(); else if (strcmp(cmd + 3, "unlink") == 0) { if (!opt1) { psql_error("\\%s: missing required argument\n", cmd); success = false; } else success = do_lo_unlink(opt1); } else status = PSQL_CMD_UNKNOWN; free(opt1); free(opt2); } /* \o -- set query output */ else if (strcmp(cmd, "o") == 0 || strcmp(cmd, "out") == 0) { char *fname = psql_scan_slash_option(scan_state, OT_FILEPIPE, NULL, true); expand_tilde(&fname); success = setQFout(fname); free(fname); } /* \p prints the current query buffer */ else if (strcmp(cmd, "p") == 0 || strcmp(cmd, "print") == 0) { if (query_buf && query_buf->len > 0) puts(query_buf->data); else if (!pset.quiet) puts(_("Query buffer is empty.")); fflush(stdout); } /* \password -- set user password */ else if (strcmp(cmd, "password") == 0) { char *pw1; char *pw2; pw1 = simple_prompt("Enter new password: "******"Enter it again: ", 100, false); if (strcmp(pw1, pw2) != 0) { fprintf(stderr, _("Passwords didn't match.\n")); success = false; } else { char *opt0 = psql_scan_slash_option(scan_state, OT_SQLID, NULL, true); char *user; char *encrypted_password; if (opt0) user = opt0; else user = PQuser(pset.db); encrypted_password = PQencryptPassword(pw1, user); if (!encrypted_password) { fprintf(stderr, _("Password encryption failed.\n")); success = false; } else { PQExpBufferData buf; PGresult *res; initPQExpBuffer(&buf); printfPQExpBuffer(&buf, "ALTER USER %s PASSWORD ", fmtId(user)); appendStringLiteralConn(&buf, encrypted_password, pset.db); res = PSQLexec(buf.data, false); termPQExpBuffer(&buf); if (!res) success = false; else PQclear(res); PQfreemem(encrypted_password); } } free(pw1); free(pw2); } /* \prompt -- prompt and set variable */ else if (strcmp(cmd, "prompt") == 0) { char *opt, *prompt_text = NULL; char *arg1, *arg2; arg1 = psql_scan_slash_option(scan_state, OT_NORMAL, NULL, false); arg2 = psql_scan_slash_option(scan_state, OT_NORMAL, NULL, false); if (!arg1) { psql_error("\\%s: missing required argument\n", cmd); success = false; } else { char *result; if (arg2) { prompt_text = arg1; opt = arg2; } else opt = arg1; if (!pset.inputfile) result = simple_prompt(prompt_text, 4096, true); else { if (prompt_text) { fputs(prompt_text, stdout); fflush(stdout); } result = gets_fromFile(stdin); } if (!SetVariable(pset.vars, opt, result)) { psql_error("\\%s: error\n", cmd); success = false; } free(result); if (prompt_text) free(prompt_text); free(opt); } } /* \pset -- set printing parameters */ else if (strcmp(cmd, "pset") == 0) { char *opt0 = psql_scan_slash_option(scan_state, OT_NORMAL, NULL, false); char *opt1 = psql_scan_slash_option(scan_state, OT_NORMAL, NULL, false); if (!opt0) { psql_error("\\%s: missing required argument\n", cmd); success = false; } else success = do_pset(opt0, opt1, &pset.popt, pset.quiet); free(opt0); free(opt1); } /* \q or \quit */ else if (strcmp(cmd, "q") == 0 || strcmp(cmd, "quit") == 0) status = PSQL_CMD_TERMINATE; /* reset(clear) the buffer */ else if (strcmp(cmd, "r") == 0 || strcmp(cmd, "reset") == 0) { resetPQExpBuffer(query_buf); psql_scan_reset(scan_state); if (!pset.quiet) puts(_("Query buffer reset (cleared).")); } /* \s save history in a file or show it on the screen */ else if (strcmp(cmd, "s") == 0) { char *fname = psql_scan_slash_option(scan_state, OT_NORMAL, NULL, true); expand_tilde(&fname); /* This scrolls off the screen when using /dev/tty */ success = saveHistory(fname ? fname : DEVTTY, -1, false, false); if (success && !pset.quiet && fname) printf(gettext("Wrote history to file \"%s/%s\".\n"), pset.dirname ? pset.dirname : ".", fname); if (!fname) putchar('\n'); free(fname); } /* \set -- generalized set variable/option command */ else if (strcmp(cmd, "set") == 0) { char *opt0 = psql_scan_slash_option(scan_state, OT_NORMAL, NULL, false); if (!opt0) { /* list all variables */ PrintVariables(pset.vars); success = true; } else { /* * Set variable to the concatenation of the arguments. */ char *newval; char *opt; opt = psql_scan_slash_option(scan_state, OT_NORMAL, NULL, false); newval = pg_strdup(opt ? opt : ""); free(opt); while ((opt = psql_scan_slash_option(scan_state, OT_NORMAL, NULL, false))) { newval = realloc(newval, strlen(newval) + strlen(opt) + 1); if (!newval) { psql_error("out of memory\n"); exit(EXIT_FAILURE); } strcat(newval, opt); free(opt); } if (!SetVariable(pset.vars, opt0, newval)) { psql_error("\\%s: error\n", cmd); success = false; } free(newval); } free(opt0); } /* \t -- turn off headers and row count */ else if (strcmp(cmd, "t") == 0) { char *opt = psql_scan_slash_option(scan_state, OT_NORMAL, NULL, true); success = do_pset("tuples_only", opt, &pset.popt, pset.quiet); free(opt); } /* \T -- define html <table ...> attributes */ else if (strcmp(cmd, "T") == 0) { char *value = psql_scan_slash_option(scan_state, OT_NORMAL, NULL, false); success = do_pset("tableattr", value, &pset.popt, pset.quiet); free(value); } /* \timing -- toggle timing of queries */ else if (strcmp(cmd, "timing") == 0) { char *opt = psql_scan_slash_option(scan_state, OT_NORMAL, NULL, false); if (opt) pset.timing = ParseVariableBool(opt); else pset.timing = !pset.timing; if (!pset.quiet) { if (pset.timing) puts(_("Timing is on.")); else puts(_("Timing is off.")); } free(opt); } /* \unset */ else if (strcmp(cmd, "unset") == 0) { char *opt = psql_scan_slash_option(scan_state, OT_NORMAL, NULL, false); if (!opt) { psql_error("\\%s: missing required argument\n", cmd); success = false; } else if (!SetVariable(pset.vars, opt, NULL)) { psql_error("\\%s: error\n", cmd); success = false; } free(opt); } /* \w -- write query buffer to file */ else if (strcmp(cmd, "w") == 0 || strcmp(cmd, "write") == 0) { FILE *fd = NULL; bool is_pipe = false; char *fname = NULL; if (!query_buf) { psql_error("no query buffer\n"); status = PSQL_CMD_ERROR; } else { fname = psql_scan_slash_option(scan_state, OT_FILEPIPE, NULL, true); expand_tilde(&fname); if (!fname) { psql_error("\\%s: missing required argument\n", cmd); success = false; } else { if (fname[0] == '|') { is_pipe = true; fd = popen(&fname[1], "w"); } else { canonicalize_path(fname); fd = fopen(fname, "w"); } if (!fd) { psql_error("%s: %s\n", fname, strerror(errno)); success = false; } } } if (fd) { int result; if (query_buf && query_buf->len > 0) fprintf(fd, "%s\n", query_buf->data); if (is_pipe) result = pclose(fd); else result = fclose(fd); if (result == EOF) { psql_error("%s: %s\n", fname, strerror(errno)); success = false; } } free(fname); } /* \x -- toggle expanded table representation */ else if (strcmp(cmd, "x") == 0) { char *opt = psql_scan_slash_option(scan_state, OT_NORMAL, NULL, true); success = do_pset("expanded", opt, &pset.popt, pset.quiet); free(opt); } /* \z -- list table rights (equivalent to \dp) */ else if (strcmp(cmd, "z") == 0) { char *pattern = psql_scan_slash_option(scan_state, OT_NORMAL, NULL, true); success = permissionsList(pattern); if (pattern) free(pattern); } /* \! -- shell escape */ else if (strcmp(cmd, "!") == 0) { char *opt = psql_scan_slash_option(scan_state, OT_WHOLE_LINE, NULL, false); success = do_shell(opt); free(opt); } /* \? -- slash command help */ else if (strcmp(cmd, "?") == 0) slashUsage(pset.popt.topt.pager); #if 0 /* * These commands don't do anything. I just use them to test the parser. */ else if (strcmp(cmd, "void") == 0 || strcmp(cmd, "#") == 0) { int i = 0; char *value; while ((value = psql_scan_slash_option(scan_state, OT_NORMAL, NULL, true))) { fprintf(stderr, "+ opt(%d) = |%s|\n", i++, value); free(value); } } #endif else status = PSQL_CMD_UNKNOWN; if (!success) status = PSQL_CMD_ERROR; return status; }
int main(int argc, char **argv) { int rc = 0; struct _param param; int c; int port; const char *progname; progname = get_progname(argv[0]); /* Set default parameter values */ param.pg_user = NULL; param.pg_prompt = TRI_DEFAULT; param.pg_host = NULL; param.pg_port = NULL; param.progname = progname; param.verbose = 0; param.dry_run = 0; param.transaction_limit = 1000; /* Process command-line arguments */ if (argc > 1) { if (strcmp(argv[1], "--help") == 0 || strcmp(argv[1], "-?") == 0) { usage(progname); exit(0); } if (strcmp(argv[1], "--version") == 0 || strcmp(argv[1], "-V") == 0) { puts("vacuumlo (PostgreSQL) " PG_VERSION); exit(0); } } while (1) { c = getopt(argc, argv, "h:l:U:p:vnwW"); if (c == -1) break; switch (c) { case '?': fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname); exit(1); case ':': exit(1); case 'v': param.verbose = 1; break; case 'n': param.dry_run = 1; param.verbose = 1; break; case 'l': param.transaction_limit = strtol(optarg, NULL, 10); if (param.transaction_limit < 0) { fprintf(stderr, "%s: transaction limit must not be negative (0 disables)\n", progname); exit(1); } break; case 'U': param.pg_user = pg_strdup(optarg); break; case 'w': param.pg_prompt = TRI_NO; break; case 'W': param.pg_prompt = TRI_YES; break; case 'p': port = strtol(optarg, NULL, 10); if ((port < 1) || (port > 65535)) { fprintf(stderr, "%s: invalid port number: %s\n", progname, optarg); exit(1); } param.pg_port = pg_strdup(optarg); break; case 'h': param.pg_host = pg_strdup(optarg); break; } } /* No database given? Show usage */ if (optind >= argc) { fprintf(stderr, "vacuumlo: missing required argument: database name\n"); fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname); exit(1); } for (c = optind; c < argc; c++) { /* Work on selected database */ rc += (vacuumlo(argv[c], ¶m) != 0); } return rc; }
/* * get_rel_infos() * * gets the relinfos for all the user tables and indexes of the database * referred to by "dbinfo". * * Note: the resulting RelInfo array is assumed to be sorted by OID. * This allows later processing to match up old and new databases efficiently. */ static void get_rel_infos(ClusterInfo *cluster, DbInfo *dbinfo) { PGconn *conn = connectToServer(cluster, dbinfo->db_name); PGresult *res; RelInfo *relinfos; int ntups; int relnum; int num_rels = 0; char *nspname = NULL; char *relname = NULL; char *tablespace = NULL; int i_spclocation, i_nspname, i_relname, i_reloid, i_indtable, i_toastheap, i_relfilenode, i_reltablespace; char query[QUERY_ALLOC]; char *last_namespace = NULL, *last_tablespace = NULL; query[0] = '\0'; /* initialize query string to empty */ /* * Create a CTE that collects OIDs of regular user tables, including * matviews and sequences, but excluding toast tables and indexes. We * assume that relations with OIDs >= FirstNormalObjectId belong to the * user. (That's probably redundant with the namespace-name exclusions, * but let's be safe.) * * pg_largeobject contains user data that does not appear in pg_dump * output, so we have to copy that system table. It's easiest to do that * by treating it as a user table. */ snprintf(query + strlen(query), sizeof(query) - strlen(query), "WITH regular_heap (reloid, indtable, toastheap) AS ( " " SELECT c.oid, 0::oid, 0::oid " " FROM pg_catalog.pg_class c JOIN pg_catalog.pg_namespace n " " ON c.relnamespace = n.oid " " WHERE relkind IN (" CppAsString2(RELKIND_RELATION) ", " CppAsString2(RELKIND_MATVIEW) ") AND " /* exclude possible orphaned temp tables */ " ((n.nspname !~ '^pg_temp_' AND " " n.nspname !~ '^pg_toast_temp_' AND " " n.nspname NOT IN ('pg_catalog', 'information_schema', " " 'binary_upgrade', 'pg_toast') AND " " c.oid >= %u::pg_catalog.oid) OR " " (n.nspname = 'pg_catalog' AND " " relname IN ('pg_largeobject') ))), ", FirstNormalObjectId); /* * Add a CTE that collects OIDs of toast tables belonging to the tables * selected by the regular_heap CTE. (We have to do this separately * because the namespace-name rules above don't work for toast tables.) */ snprintf(query + strlen(query), sizeof(query) - strlen(query), " toast_heap (reloid, indtable, toastheap) AS ( " " SELECT c.reltoastrelid, 0::oid, c.oid " " FROM regular_heap JOIN pg_catalog.pg_class c " " ON regular_heap.reloid = c.oid " " WHERE c.reltoastrelid != 0), "); /* * Add a CTE that collects OIDs of all valid indexes on the previously * selected tables. We can ignore invalid indexes since pg_dump does. * Testing indisready is necessary in 9.2, and harmless in earlier/later * versions. */ snprintf(query + strlen(query), sizeof(query) - strlen(query), " all_index (reloid, indtable, toastheap) AS ( " " SELECT indexrelid, indrelid, 0::oid " " FROM pg_catalog.pg_index " " WHERE indisvalid AND indisready " " AND indrelid IN " " (SELECT reloid FROM regular_heap " " UNION ALL " " SELECT reloid FROM toast_heap)) "); /* * And now we can write the query that retrieves the data we want for each * heap and index relation. Make sure result is sorted by OID. */ snprintf(query + strlen(query), sizeof(query) - strlen(query), "SELECT all_rels.*, n.nspname, c.relname, " " c.relfilenode, c.reltablespace, %s " "FROM (SELECT * FROM regular_heap " " UNION ALL " " SELECT * FROM toast_heap " " UNION ALL " " SELECT * FROM all_index) all_rels " " JOIN pg_catalog.pg_class c " " ON all_rels.reloid = c.oid " " JOIN pg_catalog.pg_namespace n " " ON c.relnamespace = n.oid " " LEFT OUTER JOIN pg_catalog.pg_tablespace t " " ON c.reltablespace = t.oid " "ORDER BY 1;", /* 9.2 removed the pg_tablespace.spclocation column */ (GET_MAJOR_VERSION(cluster->major_version) >= 902) ? "pg_catalog.pg_tablespace_location(t.oid) AS spclocation" : "t.spclocation"); res = executeQueryOrDie(conn, "%s", query); ntups = PQntuples(res); relinfos = (RelInfo *) pg_malloc(sizeof(RelInfo) * ntups); i_reloid = PQfnumber(res, "reloid"); i_indtable = PQfnumber(res, "indtable"); i_toastheap = PQfnumber(res, "toastheap"); i_nspname = PQfnumber(res, "nspname"); i_relname = PQfnumber(res, "relname"); i_relfilenode = PQfnumber(res, "relfilenode"); i_reltablespace = PQfnumber(res, "reltablespace"); i_spclocation = PQfnumber(res, "spclocation"); for (relnum = 0; relnum < ntups; relnum++) { RelInfo *curr = &relinfos[num_rels++]; curr->reloid = atooid(PQgetvalue(res, relnum, i_reloid)); curr->indtable = atooid(PQgetvalue(res, relnum, i_indtable)); curr->toastheap = atooid(PQgetvalue(res, relnum, i_toastheap)); nspname = PQgetvalue(res, relnum, i_nspname); curr->nsp_alloc = false; /* * Many of the namespace and tablespace strings are identical, so we * try to reuse the allocated string pointers where possible to reduce * memory consumption. */ /* Can we reuse the previous string allocation? */ if (last_namespace && strcmp(nspname, last_namespace) == 0) curr->nspname = last_namespace; else { last_namespace = curr->nspname = pg_strdup(nspname); curr->nsp_alloc = true; } relname = PQgetvalue(res, relnum, i_relname); curr->relname = pg_strdup(relname); curr->relfilenode = atooid(PQgetvalue(res, relnum, i_relfilenode)); curr->tblsp_alloc = false; /* Is the tablespace oid non-default? */ if (atooid(PQgetvalue(res, relnum, i_reltablespace)) != 0) { /* * The tablespace location might be "", meaning the cluster * default location, i.e. pg_default or pg_global. */ tablespace = PQgetvalue(res, relnum, i_spclocation); /* Can we reuse the previous string allocation? */ if (last_tablespace && strcmp(tablespace, last_tablespace) == 0) curr->tablespace = last_tablespace; else { last_tablespace = curr->tablespace = pg_strdup(tablespace); curr->tblsp_alloc = true; } } else /* A zero reltablespace oid indicates the database tablespace. */ curr->tablespace = dbinfo->db_tablespace; } PQclear(res); PQfinish(conn); dbinfo->rel_arr.rels = relinfos; dbinfo->rel_arr.nrels = num_rels; }
/* * get_loadable_libraries() * * Fetch the names of all old libraries containing C-language functions. * We will later check that they all exist in the new installation. */ void get_loadable_libraries(void) { PGresult **ress; int totaltups; int dbnum; ress = (PGresult **) pg_malloc(old_cluster.dbarr.ndbs * sizeof(PGresult *)); totaltups = 0; /* Fetch all library names, removing duplicates within each DB */ for (dbnum = 0; dbnum < old_cluster.dbarr.ndbs; dbnum++) { DbInfo *active_db = &old_cluster.dbarr.dbs[dbnum]; PGconn *conn = connectToServer(&old_cluster, active_db->db_name); /* * Fetch all libraries referenced in this DB. We can't exclude * the "pg_catalog" schema because, while such functions are not * explicitly dumped by pg_dump, they do reference implicit objects * that pg_dump does dump, e.g. CREATE LANGUAGE plperl. */ ress[dbnum] = executeQueryOrDie(conn, "SELECT DISTINCT probin " "FROM pg_catalog.pg_proc " "WHERE prolang = 13 /* C */ AND " "probin IS NOT NULL AND " "oid >= %u;", FirstNormalObjectId); totaltups += PQntuples(ress[dbnum]); PQfinish(conn); } totaltups++; /* reserve for pg_upgrade_support */ /* Allocate what's certainly enough space */ os_info.libraries = (char **) pg_malloc(totaltups * sizeof(char *)); /* * Now remove duplicates across DBs. This is pretty inefficient code, but * there probably aren't enough entries to matter. */ totaltups = 0; os_info.libraries[totaltups++] = pg_strdup(PG_UPGRADE_SUPPORT); for (dbnum = 0; dbnum < old_cluster.dbarr.ndbs; dbnum++) { PGresult *res = ress[dbnum]; int ntups; int rowno; ntups = PQntuples(res); for (rowno = 0; rowno < ntups; rowno++) { char *lib = PQgetvalue(res, rowno, 0); bool dup = false; int n; for (n = 0; n < totaltups; n++) { if (strcmp(lib, os_info.libraries[n]) == 0) { dup = true; break; } } if (!dup) os_info.libraries[totaltups++] = pg_strdup(lib); } PQclear(res); } os_info.num_libraries = totaltups; pg_free(ress); }
/* * parseCommandLine() * * Parses the command line (argc, argv[]) and loads structures */ void parseCommandLine(int argc, char *argv[]) { static struct option long_options[] = { {"old-datadir", required_argument, NULL, 'd'}, {"new-datadir", required_argument, NULL, 'D'}, {"old-bindir", required_argument, NULL, 'b'}, {"new-bindir", required_argument, NULL, 'B'}, {"old-options", required_argument, NULL, 'o'}, {"new-options", required_argument, NULL, 'O'}, {"old-port", required_argument, NULL, 'p'}, {"new-port", required_argument, NULL, 'P'}, {"user", required_argument, NULL, 'u'}, {"check", no_argument, NULL, 'c'}, {"link", no_argument, NULL, 'k'}, {"retain", no_argument, NULL, 'r'}, {"verbose", no_argument, NULL, 'v'}, {NULL, 0, NULL, 0} }; int option; /* Command line option */ int optindex = 0; /* used by getopt_long */ int os_user_effective_id; FILE *fp; char **filename; time_t run_time = time(NULL); user_opts.transfer_mode = TRANSFER_MODE_COPY; os_info.progname = get_progname(argv[0]); /* Process libpq env. variables; load values here for usage() output */ old_cluster.port = getenv("PGPORTOLD") ? atoi(getenv("PGPORTOLD")) : DEF_PGUPORT; new_cluster.port = getenv("PGPORTNEW") ? atoi(getenv("PGPORTNEW")) : DEF_PGUPORT; os_user_effective_id = get_user_info(&os_info.user); /* we override just the database user name; we got the OS id above */ if (getenv("PGUSER")) { pg_free(os_info.user); /* must save value, getenv()'s pointer is not stable */ os_info.user = pg_strdup(getenv("PGUSER")); } if (argc > 1) { if (strcmp(argv[1], "--help") == 0 || strcmp(argv[1], "-h") == 0 || strcmp(argv[1], "-?") == 0) { usage(); exit(0); } if (strcmp(argv[1], "--version") == 0 || strcmp(argv[1], "-V") == 0) { puts("pg_upgrade (PostgreSQL) " PG_VERSION); exit(0); } } /* Allow help and version to be run as root, so do the test here. */ if (os_user_effective_id == 0) pg_log(PG_FATAL, "%s: cannot be run as root\n", os_info.progname); if ((log_opts.internal = fopen_priv(INTERNAL_LOG_FILE, "a")) == NULL) pg_log(PG_FATAL, "cannot write to log file %s\n", INTERNAL_LOG_FILE); while ((option = getopt_long(argc, argv, "d:D:b:B:cko:O:p:P:ru:v", long_options, &optindex)) != -1) { switch (option) { case 'b': old_cluster.bindir = pg_strdup(optarg); break; case 'B': new_cluster.bindir = pg_strdup(optarg); break; case 'c': user_opts.check = true; break; case 'd': old_cluster.pgdata = pg_strdup(optarg); old_cluster.pgconfig = pg_strdup(optarg); break; case 'D': new_cluster.pgdata = pg_strdup(optarg); new_cluster.pgconfig = pg_strdup(optarg); break; case 'k': user_opts.transfer_mode = TRANSFER_MODE_LINK; break; case 'o': old_cluster.pgopts = pg_strdup(optarg); break; case 'O': new_cluster.pgopts = pg_strdup(optarg); break; /* * Someday, the port number option could be removed and passed * using -o/-O, but that requires postmaster -C to be * supported on all old/new versions. */ case 'p': if ((old_cluster.port = atoi(optarg)) <= 0) { pg_log(PG_FATAL, "invalid old port number\n"); exit(1); } break; case 'P': if ((new_cluster.port = atoi(optarg)) <= 0) { pg_log(PG_FATAL, "invalid new port number\n"); exit(1); } break; case 'r': log_opts.retain = true; break; case 'u': pg_free(os_info.user); os_info.user = pg_strdup(optarg); /* * Push the user name into the environment so pre-9.1 * pg_ctl/libpq uses it. */ pg_putenv("PGUSER", os_info.user); break; case 'v': pg_log(PG_REPORT, "Running in verbose mode\n"); log_opts.verbose = true; break; default: pg_log(PG_FATAL, "Try \"%s --help\" for more information.\n", os_info.progname); break; } } /* label start of upgrade in logfiles */ for (filename = output_files; *filename != NULL; filename++) { if ((fp = fopen_priv(*filename, "a")) == NULL) pg_log(PG_FATAL, "cannot write to log file %s\n", *filename); /* Start with newline because we might be appending to a file. */ fprintf(fp, "\n" "-----------------------------------------------------------------\n" " pg_upgrade run on %s" "-----------------------------------------------------------------\n\n", ctime(&run_time)); fclose(fp); } /* Get values from env if not already set */ check_required_directory(&old_cluster.bindir, NULL, "PGBINOLD", "-b", "old cluster binaries reside"); check_required_directory(&new_cluster.bindir, NULL, "PGBINNEW", "-B", "new cluster binaries reside"); check_required_directory(&old_cluster.pgdata, &old_cluster.pgconfig, "PGDATAOLD", "-d", "old cluster data resides"); check_required_directory(&new_cluster.pgdata, &new_cluster.pgconfig, "PGDATANEW", "-D", "new cluster data resides"); }
/* * get_sock_dir * * Identify the socket directory to use for this cluster. If we're doing * a live check (old cluster only), we need to find out where the postmaster * is listening. Otherwise, we're going to put the socket into the current * directory. */ void get_sock_dir(ClusterInfo *cluster, bool live_check) { #ifdef HAVE_UNIX_SOCKETS /* * sockdir and port were added to postmaster.pid in PG 9.1. Pre-9.1 cannot * process pg_ctl -w for sockets in non-default locations. */ if (GET_MAJOR_VERSION(cluster->major_version) >= 901) { if (!live_check) { /* Use the current directory for the socket */ cluster->sockdir = pg_malloc(MAXPGPATH); if (!getcwd(cluster->sockdir, MAXPGPATH)) pg_fatal("cannot find current directory\n"); } else { /* * If we are doing a live check, we will use the old cluster's * Unix domain socket directory so we can connect to the live * server. */ unsigned short orig_port = cluster->port; char filename[MAXPGPATH], line[MAXPGPATH]; FILE *fp; int lineno; snprintf(filename, sizeof(filename), "%s/postmaster.pid", cluster->pgdata); if ((fp = fopen(filename, "r")) == NULL) pg_fatal("Cannot open file %s: %m\n", filename); for (lineno = 1; lineno <= Max(LOCK_FILE_LINE_PORT, LOCK_FILE_LINE_SOCKET_DIR); lineno++) { if (fgets(line, sizeof(line), fp) == NULL) pg_fatal("Cannot read line %d from %s: %m\n", lineno, filename); /* potentially overwrite user-supplied value */ if (lineno == LOCK_FILE_LINE_PORT) sscanf(line, "%hu", &old_cluster.port); if (lineno == LOCK_FILE_LINE_SOCKET_DIR) { cluster->sockdir = pg_strdup(line); /* strip off newline */ if (strchr(cluster->sockdir, '\n') != NULL) *strchr(cluster->sockdir, '\n') = '\0'; } } fclose(fp); /* warn of port number correction */ if (orig_port != DEF_PGUPORT && old_cluster.port != orig_port) pg_log(PG_WARNING, "User-supplied old port number %hu corrected to %hu\n", orig_port, cluster->port); } } else /* * Can't get sockdir and pg_ctl -w can't use a non-default, use * default */ cluster->sockdir = NULL; #else /* !HAVE_UNIX_SOCKETS */ cluster->sockdir = NULL; #endif }
/* function to parse command line options and check for some usage errors. */ void get_opts(int argc, char **argv, struct options * my_opts) { int c; const char *progname; progname = get_progname(argv[0]); /* set the defaults */ my_opts->quiet = false; my_opts->systables = false; my_opts->indexes = false; my_opts->nodb = false; my_opts->extended = false; my_opts->tablespaces = false; my_opts->dbname = NULL; my_opts->hostname = NULL; my_opts->port = NULL; my_opts->username = NULL; my_opts->progname = progname; if (argc > 1) { if (strcmp(argv[1], "--help") == 0 || strcmp(argv[1], "-?") == 0) { help(progname); exit(0); } if (strcmp(argv[1], "--version") == 0 || strcmp(argv[1], "-V") == 0) { puts("oid2name (PostgreSQL) " PG_VERSION); exit(0); } } /* get opts */ while ((c = getopt(argc, argv, "H:p:U:d:t:o:f:qSxish")) != -1) { switch (c) { /* specify the database */ case 'd': my_opts->dbname = pg_strdup(optarg); break; /* specify one tablename to show */ case 't': add_one_elt(optarg, my_opts->tables); break; /* specify one Oid to show */ case 'o': add_one_elt(optarg, my_opts->oids); break; /* specify one filenode to show */ case 'f': add_one_elt(optarg, my_opts->filenodes); break; /* don't show headers */ case 'q': my_opts->quiet = true; break; /* host to connect to */ case 'H': my_opts->hostname = pg_strdup(optarg); break; /* port to connect to on remote host */ case 'p': my_opts->port = pg_strdup(optarg); break; /* username */ case 'U': my_opts->username = pg_strdup(optarg); break; /* display system tables */ case 'S': my_opts->systables = true; break; /* also display indexes */ case 'i': my_opts->indexes = true; break; /* display extra columns */ case 'x': my_opts->extended = true; break; /* dump tablespaces only */ case 's': my_opts->tablespaces = true; break; case 'h': help(progname); exit(0); break; default: fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname); exit(1); } } }
/* * get_control_data() * * gets pg_control information in "ctrl". Assumes that bindir and * datadir are valid absolute paths to postgresql bin and pgdata * directories respectively *and* pg_resetxlog is version compatible * with datadir. The main purpose of this function is to get pg_control * data in a version independent manner. * * The approach taken here is to invoke pg_resetxlog with -n option * and then pipe its output. With little string parsing we get the * pg_control data. pg_resetxlog cannot be run while the server is running * so we use pg_controldata; pg_controldata doesn't provide all the fields * we need to actually perform the upgrade, but it provides enough for * check mode. We do not implement pg_resetxlog -n because it is hard to * return valid xid data for a running server. */ void get_control_data(ClusterInfo *cluster, bool live_check) { char cmd[MAXPGPATH]; char bufin[MAX_STRING]; FILE *output; char *p; bool got_xid = false; bool got_oid = false; bool got_nextxlogfile = false; bool got_multi = false; bool got_mxoff = false; bool got_oldestmulti = false; bool got_log_id = false; bool got_log_seg = false; bool got_tli = false; bool got_align = false; bool got_blocksz = false; bool got_largesz = false; bool got_walsz = false; bool got_walseg = false; bool got_ident = false; bool got_index = false; bool got_toast = false; bool got_large_object = false; bool got_date_is_int = false; bool got_float8_pass_by_value = false; bool got_data_checksum_version = false; char *lc_collate = NULL; char *lc_ctype = NULL; char *lc_monetary = NULL; char *lc_numeric = NULL; char *lc_time = NULL; char *lang = NULL; char *language = NULL; char *lc_all = NULL; char *lc_messages = NULL; uint32 logid = 0; uint32 segno = 0; uint32 tli = 0; /* * Because we test the pg_resetxlog output as strings, it has to be in * English. Copied from pg_regress.c. */ if (getenv("LC_COLLATE")) lc_collate = pg_strdup(getenv("LC_COLLATE")); if (getenv("LC_CTYPE")) lc_ctype = pg_strdup(getenv("LC_CTYPE")); if (getenv("LC_MONETARY")) lc_monetary = pg_strdup(getenv("LC_MONETARY")); if (getenv("LC_NUMERIC")) lc_numeric = pg_strdup(getenv("LC_NUMERIC")); if (getenv("LC_TIME")) lc_time = pg_strdup(getenv("LC_TIME")); if (getenv("LANG")) lang = pg_strdup(getenv("LANG")); if (getenv("LANGUAGE")) language = pg_strdup(getenv("LANGUAGE")); if (getenv("LC_ALL")) lc_all = pg_strdup(getenv("LC_ALL")); if (getenv("LC_MESSAGES")) lc_messages = pg_strdup(getenv("LC_MESSAGES")); pg_putenv("LC_COLLATE", NULL); pg_putenv("LC_CTYPE", NULL); pg_putenv("LC_MONETARY", NULL); pg_putenv("LC_NUMERIC", NULL); pg_putenv("LC_TIME", NULL); pg_putenv("LANG", #ifndef WIN32 NULL); #else /* On Windows the default locale cannot be English, so force it */ "en"); #endif pg_putenv("LANGUAGE", NULL); pg_putenv("LC_ALL", NULL); pg_putenv("LC_MESSAGES", "C"); snprintf(cmd, sizeof(cmd), "\"%s/%s \"%s\"", cluster->bindir, live_check ? "pg_controldata\"" : "pg_resetxlog\" -n", cluster->pgdata); fflush(stdout); fflush(stderr); if ((output = popen(cmd, "r")) == NULL) pg_fatal("Could not get control data using %s: %s\n", cmd, getErrorText(errno)); /* Only in <= 9.2 */ if (GET_MAJOR_VERSION(cluster->major_version) <= 902) { cluster->controldata.data_checksum_version = 0; got_data_checksum_version = true; } /* we have the result of cmd in "output". so parse it line by line now */ while (fgets(bufin, sizeof(bufin), output)) { pg_log(PG_VERBOSE, "%s", bufin); if ((p = strstr(bufin, "pg_control version number:")) != NULL) { p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_fatal("%d: pg_resetxlog problem\n", __LINE__); p++; /* remove ':' char */ cluster->controldata.ctrl_ver = str2uint(p); } else if ((p = strstr(bufin, "Catalog version number:")) != NULL) { p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_fatal("%d: controldata retrieval problem\n", __LINE__); p++; /* remove ':' char */ cluster->controldata.cat_ver = str2uint(p); } else if ((p = strstr(bufin, "First log segment after reset:")) != NULL) { /* Skip the colon and any whitespace after it */ p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_fatal("%d: controldata retrieval problem\n", __LINE__); p = strpbrk(p, "01234567890ABCDEF"); if (p == NULL || strlen(p) <= 1) pg_fatal("%d: controldata retrieval problem\n", __LINE__); /* Make sure it looks like a valid WAL file name */ if (strspn(p, "0123456789ABCDEF") != 24) pg_fatal("%d: controldata retrieval problem\n", __LINE__); strlcpy(cluster->controldata.nextxlogfile, p, 25); got_nextxlogfile = true; } else if ((p = strstr(bufin, "First log file ID after reset:")) != NULL) { p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_fatal("%d: controldata retrieval problem\n", __LINE__); p++; /* remove ':' char */ logid = str2uint(p); got_log_id = true; } else if ((p = strstr(bufin, "First log file segment after reset:")) != NULL) { p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_fatal("%d: controldata retrieval problem\n", __LINE__); p++; /* remove ':' char */ segno = str2uint(p); got_log_seg = true; } else if ((p = strstr(bufin, "Latest checkpoint's TimeLineID:")) != NULL) { p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_fatal("%d: controldata retrieval problem\n", __LINE__); p++; /* remove ':' char */ cluster->controldata.chkpnt_tli = str2uint(p); got_tli = true; } else if ((p = strstr(bufin, "Latest checkpoint's NextXID:")) != NULL) { p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_fatal("%d: controldata retrieval problem\n", __LINE__); p++; /* remove ':' char */ cluster->controldata.chkpnt_nxtepoch = str2uint(p); p = strchr(p, '/'); if (p == NULL || strlen(p) <= 1) pg_fatal("%d: controldata retrieval problem\n", __LINE__); p++; /* remove '/' char */ cluster->controldata.chkpnt_nxtxid = str2uint(p); got_xid = true; } else if ((p = strstr(bufin, "Latest checkpoint's NextOID:")) != NULL) { p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_fatal("%d: controldata retrieval problem\n", __LINE__); p++; /* remove ':' char */ cluster->controldata.chkpnt_nxtoid = str2uint(p); got_oid = true; } else if ((p = strstr(bufin, "Latest checkpoint's NextMultiXactId:")) != NULL) { p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_fatal("%d: controldata retrieval problem\n", __LINE__); p++; /* remove ':' char */ cluster->controldata.chkpnt_nxtmulti = str2uint(p); got_multi = true; } else if ((p = strstr(bufin, "Latest checkpoint's oldestMultiXid:")) != NULL) { p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_fatal("%d: controldata retrieval problem\n", __LINE__); p++; /* remove ':' char */ cluster->controldata.chkpnt_oldstMulti = str2uint(p); got_oldestmulti = true; } else if ((p = strstr(bufin, "Latest checkpoint's NextMultiOffset:")) != NULL) { p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_fatal("%d: controldata retrieval problem\n", __LINE__); p++; /* remove ':' char */ cluster->controldata.chkpnt_nxtmxoff = str2uint(p); got_mxoff = true; } else if ((p = strstr(bufin, "Maximum data alignment:")) != NULL) { p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_fatal("%d: controldata retrieval problem\n", __LINE__); p++; /* remove ':' char */ cluster->controldata.align = str2uint(p); got_align = true; } else if ((p = strstr(bufin, "Database block size:")) != NULL) { p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_fatal("%d: controldata retrieval problem\n", __LINE__); p++; /* remove ':' char */ cluster->controldata.blocksz = str2uint(p); got_blocksz = true; } else if ((p = strstr(bufin, "Blocks per segment of large relation:")) != NULL) { p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_fatal("%d: controldata retrieval problem\n", __LINE__); p++; /* remove ':' char */ cluster->controldata.largesz = str2uint(p); got_largesz = true; } else if ((p = strstr(bufin, "WAL block size:")) != NULL) { p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_fatal("%d: controldata retrieval problem\n", __LINE__); p++; /* remove ':' char */ cluster->controldata.walsz = str2uint(p); got_walsz = true; } else if ((p = strstr(bufin, "Bytes per WAL segment:")) != NULL) { p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_fatal("%d: controldata retrieval problem\n", __LINE__); p++; /* remove ':' char */ cluster->controldata.walseg = str2uint(p); got_walseg = true; } else if ((p = strstr(bufin, "Maximum length of identifiers:")) != NULL) { p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_fatal("%d: controldata retrieval problem\n", __LINE__); p++; /* remove ':' char */ cluster->controldata.ident = str2uint(p); got_ident = true; } else if ((p = strstr(bufin, "Maximum columns in an index:")) != NULL) { p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_fatal("%d: controldata retrieval problem\n", __LINE__); p++; /* remove ':' char */ cluster->controldata.index = str2uint(p); got_index = true; } else if ((p = strstr(bufin, "Maximum size of a TOAST chunk:")) != NULL) { p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_fatal("%d: controldata retrieval problem\n", __LINE__); p++; /* remove ':' char */ cluster->controldata.toast = str2uint(p); got_toast = true; } else if ((p = strstr(bufin, "Size of a large-object chunk:")) != NULL) { p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_fatal("%d: controldata retrieval problem\n", __LINE__); p++; /* remove ':' char */ cluster->controldata.large_object = str2uint(p); got_large_object = true; } else if ((p = strstr(bufin, "Date/time type storage:")) != NULL) { p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_fatal("%d: controldata retrieval problem\n", __LINE__); p++; /* remove ':' char */ cluster->controldata.date_is_int = strstr(p, "64-bit integers") != NULL; got_date_is_int = true; } else if ((p = strstr(bufin, "Float8 argument passing:")) != NULL) { p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_fatal("%d: controldata retrieval problem\n", __LINE__); p++; /* remove ':' char */ /* used later for contrib check */ cluster->controldata.float8_pass_by_value = strstr(p, "by value") != NULL; got_float8_pass_by_value = true; } else if ((p = strstr(bufin, "checksum")) != NULL) { p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_fatal("%d: controldata retrieval problem\n", __LINE__); p++; /* remove ':' char */ /* used later for contrib check */ cluster->controldata.data_checksum_version = str2uint(p); got_data_checksum_version = true; } } if (output) pclose(output); /* * Restore environment variables */ pg_putenv("LC_COLLATE", lc_collate); pg_putenv("LC_CTYPE", lc_ctype); pg_putenv("LC_MONETARY", lc_monetary); pg_putenv("LC_NUMERIC", lc_numeric); pg_putenv("LC_TIME", lc_time); pg_putenv("LANG", lang); pg_putenv("LANGUAGE", language); pg_putenv("LC_ALL", lc_all); pg_putenv("LC_MESSAGES", lc_messages); pg_free(lc_collate); pg_free(lc_ctype); pg_free(lc_monetary); pg_free(lc_numeric); pg_free(lc_time); pg_free(lang); pg_free(language); pg_free(lc_all); pg_free(lc_messages); /* * Before 9.3, pg_resetxlog reported the xlogid and segno of the first log * file after reset as separate lines. Starting with 9.3, it reports the * WAL file name. If the old cluster is older than 9.3, we construct the * WAL file name from the xlogid and segno. */ if (GET_MAJOR_VERSION(cluster->major_version) <= 902) { if (got_log_id && got_log_seg) { snprintf(cluster->controldata.nextxlogfile, 25, "%08X%08X%08X", tli, logid, segno); got_nextxlogfile = true; } } /* verify that we got all the mandatory pg_control data */ if (!got_xid || !got_oid || !got_multi || !got_mxoff || (!got_oldestmulti && cluster->controldata.cat_ver >= MULTIXACT_FORMATCHANGE_CAT_VER) || (!live_check && !got_nextxlogfile) || !got_tli || !got_align || !got_blocksz || !got_largesz || !got_walsz || !got_walseg || !got_ident || !got_index || !got_toast || (!got_large_object && cluster->controldata.ctrl_ver >= LARGE_OBJECT_SIZE_PG_CONTROL_VER) || !got_date_is_int || !got_float8_pass_by_value || !got_data_checksum_version) { pg_log(PG_REPORT, "The %s cluster lacks some required control information:\n", CLUSTER_NAME(cluster)); if (!got_xid) pg_log(PG_REPORT, " checkpoint next XID\n"); if (!got_oid) pg_log(PG_REPORT, " latest checkpoint next OID\n"); if (!got_multi) pg_log(PG_REPORT, " latest checkpoint next MultiXactId\n"); if (!got_mxoff) pg_log(PG_REPORT, " latest checkpoint next MultiXactOffset\n"); if (!got_oldestmulti && cluster->controldata.cat_ver >= MULTIXACT_FORMATCHANGE_CAT_VER) pg_log(PG_REPORT, " latest checkpoint oldest MultiXactId\n"); if (!live_check && !got_nextxlogfile) pg_log(PG_REPORT, " first WAL segment after reset\n"); if (!got_tli) pg_log(PG_REPORT, " latest checkpoint timeline ID\n"); if (!got_align) pg_log(PG_REPORT, " maximum alignment\n"); if (!got_blocksz) pg_log(PG_REPORT, " block size\n"); if (!got_largesz) pg_log(PG_REPORT, " large relation segment size\n"); if (!got_walsz) pg_log(PG_REPORT, " WAL block size\n"); if (!got_walseg) pg_log(PG_REPORT, " WAL segment size\n"); if (!got_ident) pg_log(PG_REPORT, " maximum identifier length\n"); if (!got_index) pg_log(PG_REPORT, " maximum number of indexed columns\n"); if (!got_toast) pg_log(PG_REPORT, " maximum TOAST chunk size\n"); if (!got_large_object && cluster->controldata.ctrl_ver >= LARGE_OBJECT_SIZE_PG_CONTROL_VER) pg_log(PG_REPORT, " large-object chunk size\n"); if (!got_date_is_int) pg_log(PG_REPORT, " dates/times are integers?\n"); if (!got_float8_pass_by_value) pg_log(PG_REPORT, " float8 argument passing method\n"); /* value added in Postgres 9.3 */ if (!got_data_checksum_version) pg_log(PG_REPORT, " data checksum version\n"); pg_fatal("Cannot continue without required control information, terminating\n"); } }
/* * Main processing loop for reading lines of input * and sending them to the backend. * * This loop is re-entrant. May be called by \i command * which reads input from a file. */ int MainLoop(FILE *source) { PsqlScanState scan_state; /* lexer working state */ volatile PQExpBuffer query_buf; /* buffer for query being accumulated */ volatile PQExpBuffer previous_buf; /* if there isn't anything in the new * buffer yet, use this one for \e, * etc. */ PQExpBuffer history_buf; /* earlier lines of a multi-line command, not * yet saved to readline history */ char *line; /* current line of input */ int added_nl_pos; bool success; bool line_saved_in_history; volatile int successResult = EXIT_SUCCESS; volatile backslashResult slashCmdStatus = PSQL_CMD_UNKNOWN; volatile promptStatus_t prompt_status = PROMPT_READY; volatile int count_eof = 0; volatile bool die_on_error = false; /* Save the prior command source */ FILE *prev_cmd_source; bool prev_cmd_interactive; uint64 prev_lineno; /* Save old settings */ prev_cmd_source = pset.cur_cmd_source; prev_cmd_interactive = pset.cur_cmd_interactive; prev_lineno = pset.lineno; /* Establish new source */ pset.cur_cmd_source = source; pset.cur_cmd_interactive = ((source == stdin) && !pset.notty); pset.lineno = 0; /* Create working state */ scan_state = psql_scan_create(); query_buf = createPQExpBuffer(); previous_buf = createPQExpBuffer(); history_buf = createPQExpBuffer(); if (PQExpBufferBroken(query_buf) || PQExpBufferBroken(previous_buf) || PQExpBufferBroken(history_buf)) { psql_error("out of memory\n"); exit(EXIT_FAILURE); } /* main loop to get queries and execute them */ while (successResult == EXIT_SUCCESS) { /* * Clean up after a previous Control-C */ if (cancel_pressed) { if (!pset.cur_cmd_interactive) { /* * You get here if you stopped a script with Ctrl-C. */ successResult = EXIT_USER; break; } cancel_pressed = false; } /* * Establish longjmp destination for exiting from wait-for-input. We * must re-do this each time through the loop for safety, since the * jmpbuf might get changed during command execution. */ if (sigsetjmp(sigint_interrupt_jmp, 1) != 0) { /* got here with longjmp */ /* reset parsing state */ psql_scan_finish(scan_state); psql_scan_reset(scan_state); resetPQExpBuffer(query_buf); resetPQExpBuffer(history_buf); count_eof = 0; slashCmdStatus = PSQL_CMD_UNKNOWN; prompt_status = PROMPT_READY; cancel_pressed = false; if (pset.cur_cmd_interactive) putc('\n', stdout); else { successResult = EXIT_USER; break; } } fflush(stdout); /* * get another line */ if (pset.cur_cmd_interactive) { /* May need to reset prompt, eg after \r command */ if (query_buf->len == 0) prompt_status = PROMPT_READY; line = gets_interactive(get_prompt(prompt_status)); } else { line = gets_fromFile(source); if (!line && ferror(source)) successResult = EXIT_FAILURE; } /* * query_buf holds query already accumulated. line is the malloc'd * new line of input (note it must be freed before looping around!) */ /* No more input. Time to quit, or \i done */ if (line == NULL) { if (pset.cur_cmd_interactive) { /* This tries to mimic bash's IGNOREEOF feature. */ count_eof++; if (count_eof < GetVariableNum(pset.vars, "IGNOREEOF", 0, 10, false)) { if (!pset.quiet) printf(_("Use \"\\q\" to leave %s.\n"), pset.progname); continue; } puts(pset.quiet ? "" : "\\q"); } break; } count_eof = 0; pset.lineno++; /* nothing left on line? then ignore */ if (line[0] == '\0' && !psql_scan_in_quote(scan_state)) { free(line); continue; } /* A request for help? Be friendly and give them some guidance */ if (pset.cur_cmd_interactive && query_buf->len == 0 && pg_strncasecmp(line, "help", 4) == 0 && (line[4] == '\0' || line[4] == ';' || isspace((unsigned char) line[4]))) { free(line); puts(_("You are using psql, the command-line interface to PostgreSQL.")); printf(_("Type: \\copyright for distribution terms\n" " \\h for help with SQL commands\n" " \\? for help with psql commands\n" " \\g or terminate with semicolon to execute query\n" " \\q to quit\n")); fflush(stdout); continue; } /* echo back if flag is set */ if (pset.echo == PSQL_ECHO_ALL && !pset.cur_cmd_interactive) puts(line); fflush(stdout); /* insert newlines into query buffer between source lines */ if (query_buf->len > 0) { appendPQExpBufferChar(query_buf, '\n'); added_nl_pos = query_buf->len; } else added_nl_pos = -1; /* flag we didn't add one */ /* Setting this will not have effect until next line. */ die_on_error = pset.on_error_stop; /* * Parse line, looking for command separators. */ psql_scan_setup(scan_state, line, strlen(line)); success = true; line_saved_in_history = false; while (success || !die_on_error) { PsqlScanResult scan_result; promptStatus_t prompt_tmp = prompt_status; scan_result = psql_scan(scan_state, query_buf, &prompt_tmp); prompt_status = prompt_tmp; if (PQExpBufferBroken(query_buf)) { psql_error("out of memory\n"); exit(EXIT_FAILURE); } /* * Send command if semicolon found, or if end of line and we're in * single-line mode. */ if (scan_result == PSCAN_SEMICOLON || (scan_result == PSCAN_EOL && pset.singleline)) { /* * Save query in history. We use history_buf to accumulate * multi-line queries into a single history entry. */ if (pset.cur_cmd_interactive && !line_saved_in_history) { pg_append_history(line, history_buf); pg_send_history(history_buf); line_saved_in_history = true; } /* execute query */ success = SendQuery(query_buf->data); slashCmdStatus = success ? PSQL_CMD_SEND : PSQL_CMD_ERROR; /* transfer query to previous_buf by pointer-swapping */ { PQExpBuffer swap_buf = previous_buf; previous_buf = query_buf; query_buf = swap_buf; } resetPQExpBuffer(query_buf); added_nl_pos = -1; /* we need not do psql_scan_reset() here */ } else if (scan_result == PSCAN_BACKSLASH) { /* handle backslash command */ /* * If we added a newline to query_buf, and nothing else has * been inserted in query_buf by the lexer, then strip off the * newline again. This avoids any change to query_buf when a * line contains only a backslash command. Also, in this * situation we force out any previous lines as a separate * history entry; we don't want SQL and backslash commands * intermixed in history if at all possible. */ if (query_buf->len == added_nl_pos) { query_buf->data[--query_buf->len] = '\0'; pg_send_history(history_buf); } added_nl_pos = -1; /* save backslash command in history */ if (pset.cur_cmd_interactive && !line_saved_in_history) { pg_append_history(line, history_buf); pg_send_history(history_buf); line_saved_in_history = true; } /* execute backslash command */ slashCmdStatus = HandleSlashCmds(scan_state, query_buf->len > 0 ? query_buf : previous_buf); success = slashCmdStatus != PSQL_CMD_ERROR; if ((slashCmdStatus == PSQL_CMD_SEND || slashCmdStatus == PSQL_CMD_NEWEDIT) && query_buf->len == 0) { /* copy previous buffer to current for handling */ appendPQExpBufferStr(query_buf, previous_buf->data); } if (slashCmdStatus == PSQL_CMD_SEND) { success = SendQuery(query_buf->data); /* transfer query to previous_buf by pointer-swapping */ { PQExpBuffer swap_buf = previous_buf; previous_buf = query_buf; query_buf = swap_buf; } resetPQExpBuffer(query_buf); /* flush any paren nesting info after forced send */ psql_scan_reset(scan_state); } else if (slashCmdStatus == PSQL_CMD_NEWEDIT) { /* rescan query_buf as new input */ psql_scan_finish(scan_state); free(line); line = pg_strdup(query_buf->data); resetPQExpBuffer(query_buf); /* reset parsing state since we are rescanning whole line */ psql_scan_reset(scan_state); psql_scan_setup(scan_state, line, strlen(line)); line_saved_in_history = false; prompt_status = PROMPT_READY; } else if (slashCmdStatus == PSQL_CMD_TERMINATE) break; } /* fall out of loop if lexer reached EOL */ if (scan_result == PSCAN_INCOMPLETE || scan_result == PSCAN_EOL) break; } /* Add line to pending history if we didn't execute anything yet */ if (pset.cur_cmd_interactive && !line_saved_in_history) pg_append_history(line, history_buf); psql_scan_finish(scan_state); free(line); if (slashCmdStatus == PSQL_CMD_TERMINATE) { successResult = EXIT_SUCCESS; break; } if (!pset.cur_cmd_interactive) { if (!success && die_on_error) successResult = EXIT_USER; /* Have we lost the db connection? */ else if (!pset.db) successResult = EXIT_BADCONN; } } /* while !endoffile/session */ /* * Process query at the end of file without a semicolon */ if (query_buf->len > 0 && !pset.cur_cmd_interactive && successResult == EXIT_SUCCESS) { /* save query in history */ if (pset.cur_cmd_interactive) pg_send_history(history_buf); /* execute query */ success = SendQuery(query_buf->data); if (!success && die_on_error) successResult = EXIT_USER; else if (pset.db == NULL) successResult = EXIT_BADCONN; } /* * Let's just make real sure the SIGINT handler won't try to use * sigint_interrupt_jmp after we exit this routine. If there is an outer * MainLoop instance, it will reset sigint_interrupt_jmp to point to * itself at the top of its loop, before any further interactive input * happens. */ sigint_interrupt_enabled = false; destroyPQExpBuffer(query_buf); destroyPQExpBuffer(previous_buf); destroyPQExpBuffer(history_buf); psql_scan_destroy(scan_state); pset.cur_cmd_source = prev_cmd_source; pset.cur_cmd_interactive = prev_cmd_interactive; pset.lineno = prev_lineno; return successResult; } /* MainLoop() */
int main(int argc, char *argv[]) { static struct option long_options[] = { {"host", required_argument, NULL, 'h'}, {"port", required_argument, NULL, 'p'}, {"username", required_argument, NULL, 'U'}, {"role", required_argument, NULL, 'g'}, {"no-password", no_argument, NULL, 'w'}, {"password", no_argument, NULL, 'W'}, {"echo", no_argument, NULL, 'e'}, {"createdb", no_argument, NULL, 'd'}, {"no-createdb", no_argument, NULL, 'D'}, {"superuser", no_argument, NULL, 's'}, {"no-superuser", no_argument, NULL, 'S'}, {"createrole", no_argument, NULL, 'r'}, {"no-createrole", no_argument, NULL, 'R'}, {"inherit", no_argument, NULL, 'i'}, {"no-inherit", no_argument, NULL, 'I'}, {"login", no_argument, NULL, 'l'}, {"no-login", no_argument, NULL, 'L'}, {"replication", no_argument, NULL, 1}, {"no-replication", no_argument, NULL, 2}, {"interactive", no_argument, NULL, 3}, /* adduser is obsolete, undocumented spelling of superuser */ {"adduser", no_argument, NULL, 'a'}, {"no-adduser", no_argument, NULL, 'A'}, {"connection-limit", required_argument, NULL, 'c'}, {"pwprompt", no_argument, NULL, 'P'}, {"encrypted", no_argument, NULL, 'E'}, {NULL, 0, NULL, 0} }; const char *progname; int optindex; int c; const char *newuser = NULL; char *host = NULL; char *port = NULL; char *username = NULL; SimpleStringList roles = {NULL, NULL}; enum trivalue prompt_password = TRI_DEFAULT; bool echo = false; bool interactive = false; char *conn_limit = NULL; bool pwprompt = false; char *newpassword = NULL; char newuser_buf[128]; char newpassword_buf[100]; /* Tri-valued variables. */ enum trivalue createdb = TRI_DEFAULT, superuser = TRI_DEFAULT, createrole = TRI_DEFAULT, inherit = TRI_DEFAULT, login = TRI_DEFAULT, replication = TRI_DEFAULT; PQExpBufferData sql; PGconn *conn; PGresult *result; progname = get_progname(argv[0]); set_pglocale_pgservice(argv[0], PG_TEXTDOMAIN("pgscripts")); handle_help_version_opts(argc, argv, "createuser", help); while ((c = getopt_long(argc, argv, "h:p:U:g:wWedDsSaArRiIlLc:PE", long_options, &optindex)) != -1) { switch (c) { case 'h': host = pg_strdup(optarg); break; case 'p': port = pg_strdup(optarg); break; case 'U': username = pg_strdup(optarg); break; case 'g': simple_string_list_append(&roles, optarg); break; case 'w': prompt_password = TRI_NO; break; case 'W': prompt_password = TRI_YES; break; case 'e': echo = true; break; case 'd': createdb = TRI_YES; break; case 'D': createdb = TRI_NO; break; case 's': case 'a': superuser = TRI_YES; break; case 'S': case 'A': superuser = TRI_NO; break; case 'r': createrole = TRI_YES; break; case 'R': createrole = TRI_NO; break; case 'i': inherit = TRI_YES; break; case 'I': inherit = TRI_NO; break; case 'l': login = TRI_YES; break; case 'L': login = TRI_NO; break; case 'c': conn_limit = pg_strdup(optarg); break; case 'P': pwprompt = true; break; case 'E': /* no-op, accepted for backward compatibility */ break; case 1: replication = TRI_YES; break; case 2: replication = TRI_NO; break; case 3: interactive = true; break; default: fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname); exit(1); } } switch (argc - optind) { case 0: break; case 1: newuser = argv[optind]; break; default: fprintf(stderr, _("%s: too many command-line arguments (first is \"%s\")\n"), progname, argv[optind + 1]); fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname); exit(1); } if (newuser == NULL) { if (interactive) { simple_prompt("Enter name of role to add: ", newuser_buf, sizeof(newuser_buf), true); newuser = newuser_buf; } else { if (getenv("PGUSER")) newuser = getenv("PGUSER"); else newuser = get_user_name_or_exit(progname); } } if (pwprompt) { char pw2[100]; simple_prompt("Enter password for new role: ", newpassword_buf, sizeof(newpassword_buf), false); simple_prompt("Enter it again: ", pw2, sizeof(pw2), false); if (strcmp(newpassword_buf, pw2) != 0) { fprintf(stderr, _("Passwords didn't match.\n")); exit(1); } newpassword = newpassword_buf; } if (superuser == 0) { if (interactive && yesno_prompt("Shall the new role be a superuser?")) superuser = TRI_YES; else superuser = TRI_NO; } if (superuser == TRI_YES) { /* Not much point in trying to restrict a superuser */ createdb = TRI_YES; createrole = TRI_YES; } if (createdb == 0) { if (interactive && yesno_prompt("Shall the new role be allowed to create databases?")) createdb = TRI_YES; else createdb = TRI_NO; } if (createrole == 0) { if (interactive && yesno_prompt("Shall the new role be allowed to create more new roles?")) createrole = TRI_YES; else createrole = TRI_NO; } if (inherit == 0) inherit = TRI_YES; if (login == 0) login = TRI_YES; conn = connectDatabase("postgres", host, port, username, prompt_password, progname, echo, false, false); initPQExpBuffer(&sql); printfPQExpBuffer(&sql, "CREATE ROLE %s", fmtId(newuser)); if (newpassword) { char *encrypted_password; appendPQExpBufferStr(&sql, " PASSWORD "); encrypted_password = PQencryptPasswordConn(conn, newpassword, newuser, NULL); if (!encrypted_password) { fprintf(stderr, _("%s: password encryption failed: %s"), progname, PQerrorMessage(conn)); exit(1); } appendStringLiteralConn(&sql, encrypted_password, conn); PQfreemem(encrypted_password); } if (superuser == TRI_YES) appendPQExpBufferStr(&sql, " SUPERUSER"); if (superuser == TRI_NO) appendPQExpBufferStr(&sql, " NOSUPERUSER"); if (createdb == TRI_YES) appendPQExpBufferStr(&sql, " CREATEDB"); if (createdb == TRI_NO) appendPQExpBufferStr(&sql, " NOCREATEDB"); if (createrole == TRI_YES) appendPQExpBufferStr(&sql, " CREATEROLE"); if (createrole == TRI_NO) appendPQExpBufferStr(&sql, " NOCREATEROLE"); if (inherit == TRI_YES) appendPQExpBufferStr(&sql, " INHERIT"); if (inherit == TRI_NO) appendPQExpBufferStr(&sql, " NOINHERIT"); if (login == TRI_YES) appendPQExpBufferStr(&sql, " LOGIN"); if (login == TRI_NO) appendPQExpBufferStr(&sql, " NOLOGIN"); if (replication == TRI_YES) appendPQExpBufferStr(&sql, " REPLICATION"); if (replication == TRI_NO) appendPQExpBufferStr(&sql, " NOREPLICATION"); if (conn_limit != NULL) appendPQExpBuffer(&sql, " CONNECTION LIMIT %s", conn_limit); if (roles.head != NULL) { SimpleStringListCell *cell; appendPQExpBufferStr(&sql, " IN ROLE "); for (cell = roles.head; cell; cell = cell->next) { if (cell->next) appendPQExpBuffer(&sql, "%s,", fmtId(cell->val)); else appendPQExpBufferStr(&sql, fmtId(cell->val)); } } appendPQExpBufferChar(&sql, ';'); if (echo) printf("%s\n", sql.data); result = PQexec(conn, sql.data); if (PQresultStatus(result) != PGRES_COMMAND_OK) { fprintf(stderr, _("%s: creation of new role failed: %s"), progname, PQerrorMessage(conn)); PQfinish(conn); exit(1); } PQclear(result); PQfinish(conn); exit(0); }
/* * * main * */ int main(int argc, char *argv[]) { struct adhoc_opts options; int successResult; char *password = NULL; char *password_prompt = NULL; bool new_pass; set_pglocale_pgservice(argv[0], PG_TEXTDOMAIN("psql")); if (argc > 1) { if ((strcmp(argv[1], "-?") == 0) || (argc == 2 && (strcmp(argv[1], "--help") == 0))) { usage(NOPAGER); exit(EXIT_SUCCESS); } if (strcmp(argv[1], "--version") == 0 || strcmp(argv[1], "-V") == 0) { showVersion(); exit(EXIT_SUCCESS); } } #ifdef WIN32 setvbuf(stderr, NULL, _IONBF, 0); #endif pset.progname = get_progname(argv[0]); pset.db = NULL; setDecimalLocale(); pset.encoding = PQenv2encoding(); pset.queryFout = stdout; pset.queryFoutPipe = false; pset.copyStream = NULL; pset.cur_cmd_source = stdin; pset.cur_cmd_interactive = false; /* We rely on unmentioned fields of pset.popt to start out 0/false/NULL */ pset.popt.topt.format = PRINT_ALIGNED; pset.popt.topt.border = 1; pset.popt.topt.pager = 1; pset.popt.topt.start_table = true; pset.popt.topt.stop_table = true; pset.popt.topt.default_footer = true; pset.popt.topt.unicode_border_linestyle = UNICODE_LINESTYLE_SINGLE; pset.popt.topt.unicode_column_linestyle = UNICODE_LINESTYLE_SINGLE; pset.popt.topt.unicode_header_linestyle = UNICODE_LINESTYLE_SINGLE; refresh_utf8format(&(pset.popt.topt)); /* We must get COLUMNS here before readline() sets it */ pset.popt.topt.env_columns = getenv("COLUMNS") ? atoi(getenv("COLUMNS")) : 0; pset.notty = (!isatty(fileno(stdin)) || !isatty(fileno(stdout))); pset.getPassword = TRI_DEFAULT; EstablishVariableSpace(); SetVariable(pset.vars, "VERSION", PG_VERSION_STR); /* Default values for variables */ SetVariableBool(pset.vars, "AUTOCOMMIT"); SetVariable(pset.vars, "VERBOSITY", "default"); SetVariable(pset.vars, "PROMPT1", DEFAULT_PROMPT1); SetVariable(pset.vars, "PROMPT2", DEFAULT_PROMPT2); SetVariable(pset.vars, "PROMPT3", DEFAULT_PROMPT3); parse_psql_options(argc, argv, &options); /* * If no action was specified and we're in non-interactive mode, treat it * as if the user had specified "-f -". This lets single-transaction mode * work in this case. */ if (options.action == ACT_NOTHING && pset.notty) { options.action = ACT_FILE; options.action_string = NULL; } /* Bail out if -1 was specified but will be ignored. */ if (options.single_txn && options.action != ACT_FILE && options.action == ACT_NOTHING) { fprintf(stderr, _("%s: -1 can only be used in non-interactive mode\n"), pset.progname); exit(EXIT_FAILURE); } if (!pset.popt.topt.fieldSep.separator && !pset.popt.topt.fieldSep.separator_zero) { pset.popt.topt.fieldSep.separator = pg_strdup(DEFAULT_FIELD_SEP); pset.popt.topt.fieldSep.separator_zero = false; } if (!pset.popt.topt.recordSep.separator && !pset.popt.topt.recordSep.separator_zero) { pset.popt.topt.recordSep.separator = pg_strdup(DEFAULT_RECORD_SEP); pset.popt.topt.recordSep.separator_zero = false; } if (options.username == NULL) password_prompt = pg_strdup(_("Password: "******"Password for user %s: "), options.username); if (pset.getPassword == TRI_YES) password = simple_prompt(password_prompt, 100, false); /* loop until we have a password if requested by backend */ do { #define PARAMS_ARRAY_SIZE 8 const char **keywords = pg_malloc(PARAMS_ARRAY_SIZE * sizeof(*keywords)); const char **values = pg_malloc(PARAMS_ARRAY_SIZE * sizeof(*values)); keywords[0] = "host"; values[0] = options.host; keywords[1] = "port"; values[1] = options.port; keywords[2] = "user"; values[2] = options.username; keywords[3] = "password"; values[3] = password; keywords[4] = "dbname"; values[4] = (options.action == ACT_LIST_DB && options.dbname == NULL) ? "postgres" : options.dbname; keywords[5] = "fallback_application_name"; values[5] = pset.progname; keywords[6] = "client_encoding"; values[6] = (pset.notty || getenv("PGCLIENTENCODING")) ? NULL : "auto"; keywords[7] = NULL; values[7] = NULL; new_pass = false; pset.db = PQconnectdbParams(keywords, values, true); free(keywords); free(values); if (PQstatus(pset.db) == CONNECTION_BAD && PQconnectionNeedsPassword(pset.db) && password == NULL && pset.getPassword != TRI_NO) { PQfinish(pset.db); password = simple_prompt(password_prompt, 100, false); new_pass = true; } } while (new_pass); free(password); free(password_prompt); if (PQstatus(pset.db) == CONNECTION_BAD) { fprintf(stderr, "%s: %s", pset.progname, PQerrorMessage(pset.db)); PQfinish(pset.db); exit(EXIT_BADCONN); } setup_cancel_handler(); PQsetNoticeProcessor(pset.db, NoticeProcessor, NULL); SyncVariables(); if (options.action == ACT_LIST_DB) { int success; if (!options.no_psqlrc) process_psqlrc(argv[0]); success = listAllDbs(NULL, false); PQfinish(pset.db); exit(success ? EXIT_SUCCESS : EXIT_FAILURE); } if (options.logfilename) { pset.logfile = fopen(options.logfilename, "a"); if (!pset.logfile) fprintf(stderr, _("%s: could not open log file \"%s\": %s\n"), pset.progname, options.logfilename, strerror(errno)); } /* * Now find something to do */ /* * process file given by -f */ if (options.action == ACT_FILE) { if (!options.no_psqlrc) process_psqlrc(argv[0]); successResult = process_file(options.action_string, options.single_txn, false); } /* * process slash command if one was given to -c */ else if (options.action == ACT_SINGLE_SLASH) { PsqlScanState scan_state; if (pset.echo == PSQL_ECHO_ALL) puts(options.action_string); scan_state = psql_scan_create(); psql_scan_setup(scan_state, options.action_string, strlen(options.action_string)); successResult = HandleSlashCmds(scan_state, NULL) != PSQL_CMD_ERROR ? EXIT_SUCCESS : EXIT_FAILURE; psql_scan_destroy(scan_state); } /* * If the query given to -c was a normal one, send it */ else if (options.action == ACT_SINGLE_QUERY) { if (pset.echo == PSQL_ECHO_ALL) puts(options.action_string); successResult = SendQuery(options.action_string) ? EXIT_SUCCESS : EXIT_FAILURE; } /* * or otherwise enter interactive main loop */ else { if (!options.no_psqlrc) process_psqlrc(argv[0]); connection_warnings(true); if (!pset.quiet) printf(_("Type \"help\" for help.\n\n")); initializeInput(options.no_readline ? 0 : 1); successResult = MainLoop(stdin); } /* clean up */ if (pset.logfile) fclose(pset.logfile); PQfinish(pset.db); setQFout(NULL); return successResult; }
int main(int argc, char *argv[]) { static struct option long_options[] = { {"host", required_argument, NULL, 'h'}, {"port", required_argument, NULL, 'p'}, {"username", required_argument, NULL, 'U'}, {"no-password", no_argument, NULL, 'w'}, {"password", no_argument, NULL, 'W'}, {"echo", no_argument, NULL, 'e'}, {"quiet", no_argument, NULL, 'q'}, {"dbname", required_argument, NULL, 'd'}, {"all", no_argument, NULL, 'a'}, {"table", required_argument, NULL, 't'}, {"verbose", no_argument, NULL, 'v'}, {"maintenance-db", required_argument, NULL, 2}, {NULL, 0, NULL, 0} }; const char *progname; int optindex; int c; const char *dbname = NULL; const char *maintenance_db = NULL; char *host = NULL; char *port = NULL; char *username = NULL; enum trivalue prompt_password = TRI_DEFAULT; bool echo = false; bool quiet = false; bool alldb = false; bool verbose = false; SimpleStringList tables = {NULL, NULL}; progname = get_progname(argv[0]); set_pglocale_pgservice(argv[0], PG_TEXTDOMAIN("pgscripts")); handle_help_version_opts(argc, argv, "clusterdb", help); while ((c = getopt_long(argc, argv, "h:p:U:wWeqd:at:v", long_options, &optindex)) != -1) { switch (c) { case 'h': host = pg_strdup(optarg); break; case 'p': port = pg_strdup(optarg); break; case 'U': username = pg_strdup(optarg); break; case 'w': prompt_password = TRI_NO; break; case 'W': prompt_password = TRI_YES; break; case 'e': echo = true; break; case 'q': quiet = true; break; case 'd': dbname = pg_strdup(optarg); break; case 'a': alldb = true; break; case 't': simple_string_list_append(&tables, optarg); break; case 'v': verbose = true; break; case 2: maintenance_db = pg_strdup(optarg); break; default: fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname); exit(1); } } /* * Non-option argument specifies database name as long as it wasn't * already specified with -d / --dbname */ if (optind < argc && dbname == NULL) { dbname = argv[optind]; optind++; } if (optind < argc) { fprintf(stderr, _("%s: too many command-line arguments (first is \"%s\")\n"), progname, argv[optind]); fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname); exit(1); } setup_cancel_handler(); if (alldb) { if (dbname) { fprintf(stderr, _("%s: cannot cluster all databases and a specific one at the same time\n"), progname); exit(1); } if (tables.head != NULL) { fprintf(stderr, _("%s: cannot cluster specific table(s) in all databases\n"), progname); exit(1); } cluster_all_databases(verbose, maintenance_db, host, port, username, prompt_password, progname, echo, quiet); } else { if (dbname == NULL) { if (getenv("PGDATABASE")) dbname = getenv("PGDATABASE"); else if (getenv("PGUSER")) dbname = getenv("PGUSER"); else dbname = get_user_name_or_exit(progname); } if (tables.head != NULL) { SimpleStringListCell *cell; for (cell = tables.head; cell; cell = cell->next) { cluster_one_database(dbname, verbose, cell->val, host, port, username, prompt_password, progname, echo); } } else cluster_one_database(dbname, verbose, NULL, host, port, username, prompt_password, progname, echo); } exit(0); }
int main(int argc, char *argv[]) { static int if_exists = 0; static struct option long_options[] = { {"host", required_argument, NULL, 'h'}, {"port", required_argument, NULL, 'p'}, {"username", required_argument, NULL, 'U'}, {"no-password", no_argument, NULL, 'w'}, {"password", no_argument, NULL, 'W'}, {"echo", no_argument, NULL, 'e'}, {"interactive", no_argument, NULL, 'i'}, {"if-exists", no_argument, &if_exists, 1}, {NULL, 0, NULL, 0} }; const char *progname; int optindex; int c; char *dropuser = NULL; char *host = NULL; char *port = NULL; char *username = NULL; enum trivalue prompt_password = TRI_DEFAULT; bool echo = false; bool interactive = false; PQExpBufferData sql; PGconn *conn; PGresult *result; progname = get_progname(argv[0]); set_pglocale_pgservice(argv[0], PG_TEXTDOMAIN("pgscripts")); handle_help_version_opts(argc, argv, "dropuser", help); while ((c = getopt_long(argc, argv, "h:p:U:wWei", long_options, &optindex)) != -1) { switch (c) { case 'h': host = pg_strdup(optarg); break; case 'p': port = pg_strdup(optarg); break; case 'U': username = pg_strdup(optarg); break; case 'w': prompt_password = TRI_NO; break; case 'W': prompt_password = TRI_YES; break; case 'e': echo = true; break; case 'i': interactive = true; break; case 0: /* this covers the long options */ break; default: fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname); exit(1); } } switch (argc - optind) { case 0: break; case 1: dropuser = argv[optind]; break; default: fprintf(stderr, _("%s: too many command-line arguments (first is \"%s\")\n"), progname, argv[optind + 1]); fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname); exit(1); } if (dropuser == NULL) { if (interactive) dropuser = simple_prompt("Enter name of role to drop: ", 128, true); else { fprintf(stderr, _("%s: missing required argument role name\n"), progname); fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname); exit(1); } } if (interactive) { printf(_("Role \"%s\" will be permanently removed.\n"), dropuser); if (!yesno_prompt("Are you sure?")) exit(0); } initPQExpBuffer(&sql); appendPQExpBuffer(&sql, "DROP ROLE %s%s;\n", (if_exists ? "IF EXISTS " : ""), fmtId(dropuser)); conn = connectDatabase("postgres", host, port, username, prompt_password, progname, false); if (echo) printf("%s", sql.data); result = PQexec(conn, sql.data); if (PQresultStatus(result) != PGRES_COMMAND_OK) { fprintf(stderr, _("%s: removal of role \"%s\" failed: %s"), progname, dropuser, PQerrorMessage(conn)); PQfinish(conn); exit(1); } PQclear(result); PQfinish(conn); exit(0); }
/* * parseCommandLine() * * Parses the command line (argc, argv[]) and loads structures */ void parseCommandLine(int argc, char *argv[]) { static struct option long_options[] = { {"old-datadir", required_argument, NULL, 'd'}, {"new-datadir", required_argument, NULL, 'D'}, {"old-bindir", required_argument, NULL, 'b'}, {"new-bindir", required_argument, NULL, 'B'}, {"old-options", required_argument, NULL, 'o'}, {"new-options", required_argument, NULL, 'O'}, {"old-port", required_argument, NULL, 'p'}, {"new-port", required_argument, NULL, 'P'}, {"user", required_argument, NULL, 'u'}, {"check", no_argument, NULL, 'c'}, {"debug", no_argument, NULL, 'g'}, {"debugfile", required_argument, NULL, 'G'}, {"link", no_argument, NULL, 'k'}, {"logfile", required_argument, NULL, 'l'}, {"verbose", no_argument, NULL, 'v'}, {NULL, 0, NULL, 0} }; int option; /* Command line option */ int optindex = 0; /* used by getopt_long */ int os_user_effective_id; user_opts.transfer_mode = TRANSFER_MODE_COPY; os_info.progname = get_progname(argv[0]); /* Process libpq env. variables; load values here for usage() output */ old_cluster.port = getenv("PGPORTOLD") ? atoi(getenv("PGPORTOLD")) : DEF_PGUPORT; new_cluster.port = getenv("PGPORTNEW") ? atoi(getenv("PGPORTNEW")) : DEF_PGUPORT; os_user_effective_id = get_user_info(&os_info.user); /* we override just the database user name; we got the OS id above */ if (getenv("PGUSER")) { pg_free(os_info.user); /* must save value, getenv()'s pointer is not stable */ os_info.user = pg_strdup(getenv("PGUSER")); } if (argc > 1) { if (strcmp(argv[1], "--help") == 0 || strcmp(argv[1], "-h") == 0 || strcmp(argv[1], "-?") == 0) { usage(); exit(0); } if (strcmp(argv[1], "--version") == 0 || strcmp(argv[1], "-V") == 0) { puts("pg_upgrade (PostgreSQL) " PG_VERSION); exit(0); } } /* Allow help and version to be run as root, so do the test here. */ if (os_user_effective_id == 0) pg_log(PG_FATAL, "%s: cannot be run as root\n", os_info.progname); getcwd(os_info.cwd, MAXPGPATH); while ((option = getopt_long(argc, argv, "d:D:b:B:cgG:kl:o:O:p:P:u:v", long_options, &optindex)) != -1) { switch (option) { case 'b': old_cluster.bindir = pg_strdup(optarg); break; case 'B': new_cluster.bindir = pg_strdup(optarg); break; case 'c': user_opts.check = true; break; case 'd': old_cluster.pgdata = pg_strdup(optarg); old_cluster.pgconfig = pg_strdup(optarg); break; case 'D': new_cluster.pgdata = pg_strdup(optarg); new_cluster.pgconfig = pg_strdup(optarg); break; case 'g': pg_log(PG_REPORT, "Running in debug mode\n"); log_opts.debug = true; break; case 'G': if ((log_opts.debug_fd = fopen(optarg, "w")) == NULL) { pg_log(PG_FATAL, "cannot open debug file\n"); exit(1); } break; case 'k': user_opts.transfer_mode = TRANSFER_MODE_LINK; break; case 'l': log_opts.filename = pg_strdup(optarg); break; case 'o': old_cluster.pgopts = pg_strdup(optarg); break; case 'O': new_cluster.pgopts = pg_strdup(optarg); break; /* * Someday, the port number option could be removed and * passed using -o/-O, but that requires postmaster -C * to be supported on all old/new versions. */ case 'p': if ((old_cluster.port = atoi(optarg)) <= 0) { pg_log(PG_FATAL, "invalid old port number\n"); exit(1); } break; case 'P': if ((new_cluster.port = atoi(optarg)) <= 0) { pg_log(PG_FATAL, "invalid new port number\n"); exit(1); } break; case 'u': pg_free(os_info.user); os_info.user = pg_strdup(optarg); /* * Push the user name into the environment so pre-9.1 * pg_ctl/libpq uses it. */ pg_putenv("PGUSER", os_info.user); break; case 'v': pg_log(PG_REPORT, "Running in verbose mode\n"); log_opts.verbose = true; break; default: pg_log(PG_FATAL, "Try \"%s --help\" for more information.\n", os_info.progname); break; } } if (log_opts.filename != NULL) { /* * We must use append mode so output generated by child processes via * ">>" will not be overwritten, and we want the file truncated on * start. */ /* truncate */ if ((log_opts.fd = fopen(log_opts.filename, "w")) == NULL) pg_log(PG_FATAL, "cannot write to log file %s\n", log_opts.filename); fclose(log_opts.fd); if ((log_opts.fd = fopen(log_opts.filename, "a")) == NULL) pg_log(PG_FATAL, "cannot write to log file %s\n", log_opts.filename); } else log_opts.filename = pg_strdup(DEVNULL); /* WIN32 files do not accept writes from multiple processes */ #ifndef WIN32 log_opts.filename2 = pg_strdup(log_opts.filename); #else log_opts.filename2 = pg_strdup(DEVNULL); #endif /* if no debug file name, output to the terminal */ if (log_opts.debug && !log_opts.debug_fd) { log_opts.debug_fd = fopen(DEVTTY, "w"); if (!log_opts.debug_fd) pg_log(PG_FATAL, "cannot write to terminal\n"); } /* Get values from env if not already set */ check_required_directory(&old_cluster.bindir, "PGBINOLD", "-b", "old cluster binaries reside"); check_required_directory(&new_cluster.bindir, "PGBINNEW", "-B", "new cluster binaries reside"); check_required_directory(&old_cluster.pgdata, "PGDATAOLD", "-d", "old cluster data resides"); check_required_directory(&new_cluster.pgdata, "PGDATANEW", "-D", "new cluster data resides"); }
int main(int argc, char *argv[]) { static struct option long_options[] = { {"host", required_argument, NULL, 'h'}, {"port", required_argument, NULL, 'p'}, {"username", required_argument, NULL, 'U'}, {"no-password", no_argument, NULL, 'w'}, {"password", no_argument, NULL, 'W'}, {"echo", no_argument, NULL, 'e'}, {"quiet", no_argument, NULL, 'q'}, {"dbname", required_argument, NULL, 'd'}, {"analyze", no_argument, NULL, 'z'}, {"analyze-only", no_argument, NULL, 'Z'}, {"freeze", no_argument, NULL, 'F'}, {"all", no_argument, NULL, 'a'}, {"table", required_argument, NULL, 't'}, {"full", no_argument, NULL, 'f'}, {"verbose", no_argument, NULL, 'v'}, {"jobs", required_argument, NULL, 'j'}, {"maintenance-db", required_argument, NULL, 2}, {"analyze-in-stages", no_argument, NULL, 3}, {"disable-page-skipping", no_argument, NULL, 4}, {"skip-locked", no_argument, NULL, 5}, {"min-xid-age", required_argument, NULL, 6}, {"min-mxid-age", required_argument, NULL, 7}, {NULL, 0, NULL, 0} }; const char *progname; int optindex; int c; const char *dbname = NULL; const char *maintenance_db = NULL; char *host = NULL; char *port = NULL; char *username = NULL; enum trivalue prompt_password = TRI_DEFAULT; bool echo = false; bool quiet = false; vacuumingOptions vacopts; bool analyze_in_stages = false; bool alldb = false; SimpleStringList tables = {NULL, NULL}; int concurrentCons = 1; int tbl_count = 0; /* initialize options to all false */ memset(&vacopts, 0, sizeof(vacopts)); progname = get_progname(argv[0]); set_pglocale_pgservice(argv[0], PG_TEXTDOMAIN("pgscripts")); handle_help_version_opts(argc, argv, "vacuumdb", help); while ((c = getopt_long(argc, argv, "h:p:U:wWeqd:zZFat:fvj:", long_options, &optindex)) != -1) { switch (c) { case 'h': host = pg_strdup(optarg); break; case 'p': port = pg_strdup(optarg); break; case 'U': username = pg_strdup(optarg); break; case 'w': prompt_password = TRI_NO; break; case 'W': prompt_password = TRI_YES; break; case 'e': echo = true; break; case 'q': quiet = true; break; case 'd': dbname = pg_strdup(optarg); break; case 'z': vacopts.and_analyze = true; break; case 'Z': vacopts.analyze_only = true; break; case 'F': vacopts.freeze = true; break; case 'a': alldb = true; break; case 't': { simple_string_list_append(&tables, optarg); tbl_count++; break; } case 'f': vacopts.full = true; break; case 'v': vacopts.verbose = true; break; case 'j': concurrentCons = atoi(optarg); if (concurrentCons <= 0) { fprintf(stderr, _("%s: number of parallel jobs must be at least 1\n"), progname); exit(1); } if (concurrentCons > FD_SETSIZE - 1) { fprintf(stderr, _("%s: too many parallel jobs requested (maximum: %d)\n"), progname, FD_SETSIZE - 1); exit(1); } break; case 2: maintenance_db = pg_strdup(optarg); break; case 3: analyze_in_stages = vacopts.analyze_only = true; break; case 4: vacopts.disable_page_skipping = true; break; case 5: vacopts.skip_locked = true; break; case 6: vacopts.min_xid_age = atoi(optarg); if (vacopts.min_xid_age <= 0) { fprintf(stderr, _("%s: minimum transaction ID age must be at least 1\n"), progname); exit(1); } break; case 7: vacopts.min_mxid_age = atoi(optarg); if (vacopts.min_mxid_age <= 0) { fprintf(stderr, _("%s: minimum multixact ID age must be at least 1\n"), progname); exit(1); } break; default: fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname); exit(1); } } /* * Non-option argument specifies database name as long as it wasn't * already specified with -d / --dbname */ if (optind < argc && dbname == NULL) { dbname = argv[optind]; optind++; } if (optind < argc) { fprintf(stderr, _("%s: too many command-line arguments (first is \"%s\")\n"), progname, argv[optind]); fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname); exit(1); } if (vacopts.analyze_only) { if (vacopts.full) { fprintf(stderr, _("%s: cannot use the \"%s\" option when performing only analyze\n"), progname, "full"); exit(1); } if (vacopts.freeze) { fprintf(stderr, _("%s: cannot use the \"%s\" option when performing only analyze\n"), progname, "freeze"); exit(1); } if (vacopts.disable_page_skipping) { fprintf(stderr, _("%s: cannot use the \"%s\" option when performing only analyze\n"), progname, "disable-page-skipping"); exit(1); } /* allow 'and_analyze' with 'analyze_only' */ } setup_cancel_handler(); /* Avoid opening extra connections. */ if (tbl_count && (concurrentCons > tbl_count)) concurrentCons = tbl_count; if (alldb) { if (dbname) { fprintf(stderr, _("%s: cannot vacuum all databases and a specific one at the same time\n"), progname); exit(1); } if (tables.head != NULL) { fprintf(stderr, _("%s: cannot vacuum specific table(s) in all databases\n"), progname); exit(1); } vacuum_all_databases(&vacopts, analyze_in_stages, maintenance_db, host, port, username, prompt_password, concurrentCons, progname, echo, quiet); } else { if (dbname == NULL) { if (getenv("PGDATABASE")) dbname = getenv("PGDATABASE"); else if (getenv("PGUSER")) dbname = getenv("PGUSER"); else dbname = get_user_name_or_exit(progname); } if (analyze_in_stages) { int stage; for (stage = 0; stage < ANALYZE_NUM_STAGES; stage++) { vacuum_one_database(dbname, &vacopts, stage, &tables, host, port, username, prompt_password, concurrentCons, progname, echo, quiet); } } else vacuum_one_database(dbname, &vacopts, ANALYZE_NO_STAGE, &tables, host, port, username, prompt_password, concurrentCons, progname, echo, quiet); } exit(0); }
/* * get_rel_infos() * * gets the relinfos for all the user tables of the database referred * by "db". * * NOTE: we assume that relations/entities with oids greater than * FirstNormalObjectId belongs to the user */ static void get_rel_infos(ClusterInfo *cluster, DbInfo *dbinfo) { PGconn *conn = connectToServer(cluster, dbinfo->db_name); PGresult *res; RelInfo *relinfos; int ntups; int relnum; int num_rels = 0; char *nspname = NULL; char *relname = NULL; char *tablespace = NULL; int i_spclocation, i_nspname, i_relname, i_oid, i_relfilenode, i_reltablespace; char query[QUERY_ALLOC]; char *last_namespace = NULL, *last_tablespace = NULL; /* * pg_largeobject contains user data that does not appear in pg_dump * --schema-only output, so we have to copy that system table heap and * index. We could grab the pg_largeobject oids from template1, but it is * easy to treat it as a normal table. Order by oid so we can join old/new * structures efficiently. */ snprintf(query, sizeof(query), /* get regular heap */ "WITH regular_heap (reloid) AS ( " " SELECT c.oid " " FROM pg_catalog.pg_class c JOIN pg_catalog.pg_namespace n " " ON c.relnamespace = n.oid " " LEFT OUTER JOIN pg_catalog.pg_index i " " ON c.oid = i.indexrelid " " WHERE relkind IN ('r', 'm', 'i', 'S') AND " /* * pg_dump only dumps valid indexes; testing indisready is necessary in * 9.2, and harmless in earlier/later versions. */ " i.indisvalid IS DISTINCT FROM false AND " " i.indisready IS DISTINCT FROM false AND " /* exclude possible orphaned temp tables */ " ((n.nspname !~ '^pg_temp_' AND " " n.nspname !~ '^pg_toast_temp_' AND " /* skip pg_toast because toast index have relkind == 'i', not 't' */ " n.nspname NOT IN ('pg_catalog', 'information_schema', " " 'binary_upgrade', 'pg_toast') AND " " c.oid >= %u) OR " " (n.nspname = 'pg_catalog' AND " " relname IN ('pg_largeobject', 'pg_largeobject_loid_pn_index'%s) ))), " /* * We have to gather the TOAST tables in later steps because we can't * schema-qualify TOAST tables. */ /* get TOAST heap */ " toast_heap (reloid) AS ( " " SELECT reltoastrelid " " FROM regular_heap JOIN pg_catalog.pg_class c " " ON regular_heap.reloid = c.oid " " AND c.reltoastrelid != %u), " /* get indexes on regular and TOAST heap */ " all_index (reloid) AS ( " " SELECT indexrelid " " FROM pg_index " " WHERE indisvalid " " AND indrelid IN (SELECT reltoastrelid " " FROM (SELECT reloid FROM regular_heap " " UNION ALL " " SELECT reloid FROM toast_heap) all_heap " " JOIN pg_catalog.pg_class c " " ON all_heap.reloid = c.oid " " AND c.reltoastrelid != %u)) " /* get all rels */ "SELECT c.oid, n.nspname, c.relname, " " c.relfilenode, c.reltablespace, %s " "FROM (SELECT reloid FROM regular_heap " " UNION ALL " " SELECT reloid FROM toast_heap " " UNION ALL " " SELECT reloid FROM all_index) all_rels " " JOIN pg_catalog.pg_class c " " ON all_rels.reloid = c.oid " " JOIN pg_catalog.pg_namespace n " " ON c.relnamespace = n.oid " " LEFT OUTER JOIN pg_catalog.pg_tablespace t " " ON c.reltablespace = t.oid " /* we preserve pg_class.oid so we sort by it to match old/new */ "ORDER BY 1;", FirstNormalObjectId, /* does pg_largeobject_metadata need to be migrated? */ (GET_MAJOR_VERSION(old_cluster.major_version) <= 804) ? "" : ", 'pg_largeobject_metadata', 'pg_largeobject_metadata_oid_index'", InvalidOid, InvalidOid, /* 9.2 removed the spclocation column */ (GET_MAJOR_VERSION(cluster->major_version) <= 901) ? "t.spclocation" : "pg_catalog.pg_tablespace_location(t.oid) AS spclocation"); res = executeQueryOrDie(conn, "%s", query); ntups = PQntuples(res); relinfos = (RelInfo *) pg_malloc(sizeof(RelInfo) * ntups); i_oid = PQfnumber(res, "oid"); i_nspname = PQfnumber(res, "nspname"); i_relname = PQfnumber(res, "relname"); i_relfilenode = PQfnumber(res, "relfilenode"); i_reltablespace = PQfnumber(res, "reltablespace"); i_spclocation = PQfnumber(res, "spclocation"); for (relnum = 0; relnum < ntups; relnum++) { RelInfo *curr = &relinfos[num_rels++]; curr->reloid = atooid(PQgetvalue(res, relnum, i_oid)); nspname = PQgetvalue(res, relnum, i_nspname); curr->nsp_alloc = false; /* * Many of the namespace and tablespace strings are identical, so we * try to reuse the allocated string pointers where possible to reduce * memory consumption. */ /* Can we reuse the previous string allocation? */ if (last_namespace && strcmp(nspname, last_namespace) == 0) curr->nspname = last_namespace; else { last_namespace = curr->nspname = pg_strdup(nspname); curr->nsp_alloc = true; } relname = PQgetvalue(res, relnum, i_relname); curr->relname = pg_strdup(relname); curr->relfilenode = atooid(PQgetvalue(res, relnum, i_relfilenode)); curr->tblsp_alloc = false; /* Is the tablespace oid non-zero? */ if (atooid(PQgetvalue(res, relnum, i_reltablespace)) != 0) { /* * The tablespace location might be "", meaning the cluster * default location, i.e. pg_default or pg_global. */ tablespace = PQgetvalue(res, relnum, i_spclocation); /* Can we reuse the previous string allocation? */ if (last_tablespace && strcmp(tablespace, last_tablespace) == 0) curr->tablespace = last_tablespace; else { last_tablespace = curr->tablespace = pg_strdup(tablespace); curr->tblsp_alloc = true; } } else /* A zero reltablespace oid indicates the database tablespace. */ curr->tablespace = dbinfo->db_tablespace; } PQclear(res); PQfinish(conn); dbinfo->rel_arr.rels = relinfos; dbinfo->rel_arr.nrels = num_rels; }
/* * get_control_data() * * gets pg_control information in "ctrl". Assumes that bindir and * datadir are valid absolute paths to postgresql bin and pgdata * directories respectively *and* pg_resetxlog is version compatible * with datadir. The main purpose of this function is to get pg_control * data in a version independent manner. * * The approach taken here is to invoke pg_resetxlog with -n option * and then pipe its output. With little string parsing we get the * pg_control data. pg_resetxlog cannot be run while the server is running * so we use pg_controldata; pg_controldata doesn't provide all the fields * we need to actually perform the upgrade, but it provides enough for * check mode. We do not implement pg_resetxlog -n because it is hard to * return valid xid data for a running server. */ void get_control_data(ClusterInfo *cluster, bool live_check) { char cmd[MAXPGPATH]; char bufin[MAX_STRING]; FILE *output; char *p; bool got_xid = false; bool got_oid = false; bool got_nextxlogfile = false; bool got_multi = false; bool got_mxoff = false; bool got_oldestmulti = false; bool got_log_id = false; bool got_log_seg = false; bool got_tli = false; bool got_align = false; bool got_blocksz = false; bool got_largesz = false; bool got_walsz = false; bool got_walseg = false; bool got_ident = false; bool got_index = false; bool got_toast = false; bool got_date_is_int = false; bool got_float8_pass_by_value = false; char *lc_collate = NULL; char *lc_ctype = NULL; char *lc_monetary = NULL; char *lc_numeric = NULL; char *lc_time = NULL; char *lang = NULL; char *language = NULL; char *lc_all = NULL; char *lc_messages = NULL; uint32 logid = 0; uint32 segno = 0; uint32 tli = 0; /* * Because we test the pg_resetxlog output as strings, it has to be in * English. Copied from pg_regress.c. */ if (getenv("LC_COLLATE")) lc_collate = pg_strdup(getenv("LC_COLLATE")); if (getenv("LC_CTYPE")) lc_ctype = pg_strdup(getenv("LC_CTYPE")); if (getenv("LC_MONETARY")) lc_monetary = pg_strdup(getenv("LC_MONETARY")); if (getenv("LC_NUMERIC")) lc_numeric = pg_strdup(getenv("LC_NUMERIC")); if (getenv("LC_TIME")) lc_time = pg_strdup(getenv("LC_TIME")); if (getenv("LANG")) lang = pg_strdup(getenv("LANG")); if (getenv("LANGUAGE")) language = pg_strdup(getenv("LANGUAGE")); if (getenv("LC_ALL")) lc_all = pg_strdup(getenv("LC_ALL")); if (getenv("LC_MESSAGES")) lc_messages = pg_strdup(getenv("LC_MESSAGES")); pg_putenv("LC_COLLATE", NULL); pg_putenv("LC_CTYPE", NULL); pg_putenv("LC_MONETARY", NULL); pg_putenv("LC_NUMERIC", NULL); pg_putenv("LC_TIME", NULL); pg_putenv("LANG", #ifndef WIN32 NULL); #else /* On Windows the default locale cannot be English, so force it */ "en"); #endif pg_putenv("LANGUAGE", NULL); pg_putenv("LC_ALL", NULL); pg_putenv("LC_MESSAGES", "C"); snprintf(cmd, sizeof(cmd), SYSTEMQUOTE "\"%s/%s \"%s\"" SYSTEMQUOTE, cluster->bindir, live_check ? "pg_controldata\"" : "pg_resetxlog\" -n", cluster->pgdata); fflush(stdout); fflush(stderr); if ((output = popen(cmd, "r")) == NULL) pg_log(PG_FATAL, "Could not get control data using %s: %s\n", cmd, getErrorText(errno)); /* Only pre-8.4 has these so if they are not set below we will check later */ cluster->controldata.lc_collate = NULL; cluster->controldata.lc_ctype = NULL; /* Only in <= 8.3 */ if (GET_MAJOR_VERSION(cluster->major_version) <= 803) { cluster->controldata.float8_pass_by_value = false; got_float8_pass_by_value = true; } /* we have the result of cmd in "output". so parse it line by line now */ while (fgets(bufin, sizeof(bufin), output)) { pg_log(PG_VERBOSE, "%s", bufin); #ifdef WIN32 /* * Due to an installer bug, LANG=C doesn't work for PG 8.3.3, but does * work 8.2.6 and 8.3.7, so check for non-ASCII output and suggest a * minor upgrade. */ if (GET_MAJOR_VERSION(cluster->major_version) <= 803) { for (p = bufin; *p; p++) if (!isascii(*p)) pg_log(PG_FATAL, "The 8.3 cluster's pg_controldata is incapable of outputting ASCII, even\n" "with LANG=C. You must upgrade this cluster to a newer version of PostgreSQL\n" "8.3 to fix this bug. PostgreSQL 8.3.7 and later are known to work properly.\n"); } #endif if ((p = strstr(bufin, "pg_control version number:")) != NULL) { p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_log(PG_FATAL, "%d: pg_resetxlog problem\n", __LINE__); p++; /* removing ':' char */ cluster->controldata.ctrl_ver = str2uint(p); } else if ((p = strstr(bufin, "Catalog version number:")) != NULL) { p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_log(PG_FATAL, "%d: controldata retrieval problem\n", __LINE__); p++; /* removing ':' char */ cluster->controldata.cat_ver = str2uint(p); } else if ((p = strstr(bufin, "First log segment after reset:")) != NULL) { /* Skip the colon and any whitespace after it */ p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_log(PG_FATAL, "%d: controldata retrieval problem\n", __LINE__); p = strpbrk(p, "01234567890ABCDEF"); if (p == NULL || strlen(p) <= 1) pg_log(PG_FATAL, "%d: controldata retrieval problem\n", __LINE__); /* Make sure it looks like a valid WAL file name */ if (strspn(p, "0123456789ABCDEF") != 24) pg_log(PG_FATAL, "%d: controldata retrieval problem\n", __LINE__); strlcpy(cluster->controldata.nextxlogfile, p, 25); got_nextxlogfile = true; } else if ((p = strstr(bufin, "First log file ID after reset:")) != NULL) { p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_log(PG_FATAL, "%d: controldata retrieval problem\n", __LINE__); p++; /* removing ':' char */ logid = str2uint(p); got_log_id = true; } else if ((p = strstr(bufin, "First log file segment after reset:")) != NULL) { p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_log(PG_FATAL, "%d: controldata retrieval problem\n", __LINE__); p++; /* removing ':' char */ segno = str2uint(p); got_log_seg = true; } else if ((p = strstr(bufin, "Latest checkpoint's TimeLineID:")) != NULL) { p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_log(PG_FATAL, "%d: controldata retrieval problem\n", __LINE__); p++; /* removing ':' char */ cluster->controldata.chkpnt_tli = str2uint(p); got_tli = true; } else if ((p = strstr(bufin, "Latest checkpoint's NextXID:")) != NULL) { char *op = strchr(p, '/'); if (op == NULL) op = strchr(p, ':'); if (op == NULL || strlen(op) <= 1) pg_log(PG_FATAL, "%d: controldata retrieval problem\n", __LINE__); op++; /* removing ':' char */ cluster->controldata.chkpnt_nxtxid = str2uint(op); got_xid = true; } else if ((p = strstr(bufin, "Latest checkpoint's NextOID:")) != NULL) { p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_log(PG_FATAL, "%d: controldata retrieval problem\n", __LINE__); p++; /* removing ':' char */ cluster->controldata.chkpnt_nxtoid = str2uint(p); got_oid = true; } else if ((p = strstr(bufin, "Latest checkpoint's NextMultiXactId:")) != NULL) { p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_log(PG_FATAL, "%d: controldata retrieval problem\n", __LINE__); p++; /* removing ':' char */ cluster->controldata.chkpnt_nxtmulti = str2uint(p); got_multi = true; } else if ((p = strstr(bufin, "Latest checkpoint's oldestMultiXid:")) != NULL) { p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_log(PG_FATAL, "%d: controldata retrieval problem\n", __LINE__); p++; /* removing ':' char */ cluster->controldata.chkpnt_oldstMulti = str2uint(p); got_oldestmulti = true; } else if ((p = strstr(bufin, "Latest checkpoint's NextMultiOffset:")) != NULL) { p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_log(PG_FATAL, "%d: controldata retrieval problem\n", __LINE__); p++; /* removing ':' char */ cluster->controldata.chkpnt_nxtmxoff = str2uint(p); got_mxoff = true; } else if ((p = strstr(bufin, "Maximum data alignment:")) != NULL) { p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_log(PG_FATAL, "%d: controldata retrieval problem\n", __LINE__); p++; /* removing ':' char */ cluster->controldata.align = str2uint(p); got_align = true; } else if ((p = strstr(bufin, "Database block size:")) != NULL) { p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_log(PG_FATAL, "%d: controldata retrieval problem\n", __LINE__); p++; /* removing ':' char */ cluster->controldata.blocksz = str2uint(p); got_blocksz = true; } else if ((p = strstr(bufin, "Blocks per segment of large relation:")) != NULL) { p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_log(PG_FATAL, "%d: controldata retrieval problem\n", __LINE__); p++; /* removing ':' char */ cluster->controldata.largesz = str2uint(p); got_largesz = true; } else if ((p = strstr(bufin, "WAL block size:")) != NULL) { p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_log(PG_FATAL, "%d: controldata retrieval problem\n", __LINE__); p++; /* removing ':' char */ cluster->controldata.walsz = str2uint(p); got_walsz = true; } else if ((p = strstr(bufin, "Bytes per WAL segment:")) != NULL) { p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_log(PG_FATAL, "%d: controldata retrieval problem\n", __LINE__); p++; /* removing ':' char */ cluster->controldata.walseg = str2uint(p); got_walseg = true; } else if ((p = strstr(bufin, "Maximum length of identifiers:")) != NULL) { p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_log(PG_FATAL, "%d: controldata retrieval problem\n", __LINE__); p++; /* removing ':' char */ cluster->controldata.ident = str2uint(p); got_ident = true; } else if ((p = strstr(bufin, "Maximum columns in an index:")) != NULL) { p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_log(PG_FATAL, "%d: controldata retrieval problem\n", __LINE__); p++; /* removing ':' char */ cluster->controldata.index = str2uint(p); got_index = true; } else if ((p = strstr(bufin, "Maximum size of a TOAST chunk:")) != NULL) { p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_log(PG_FATAL, "%d: controldata retrieval problem\n", __LINE__); p++; /* removing ':' char */ cluster->controldata.toast = str2uint(p); got_toast = true; } else if ((p = strstr(bufin, "Date/time type storage:")) != NULL) { p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_log(PG_FATAL, "%d: controldata retrieval problem\n", __LINE__); p++; /* removing ':' char */ cluster->controldata.date_is_int = strstr(p, "64-bit integers") != NULL; got_date_is_int = true; } else if ((p = strstr(bufin, "Float8 argument passing:")) != NULL) { p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_log(PG_FATAL, "%d: controldata retrieval problem\n", __LINE__); p++; /* removing ':' char */ /* used later for contrib check */ cluster->controldata.float8_pass_by_value = strstr(p, "by value") != NULL; got_float8_pass_by_value = true; } /* In pre-8.4 only */ else if ((p = strstr(bufin, "LC_COLLATE:")) != NULL) { p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_log(PG_FATAL, "%d: controldata retrieval problem\n", __LINE__); p++; /* removing ':' char */ /* skip leading spaces and remove trailing newline */ p += strspn(p, " "); if (strlen(p) > 0 && *(p + strlen(p) - 1) == '\n') *(p + strlen(p) - 1) = '\0'; cluster->controldata.lc_collate = pg_strdup(p); } /* In pre-8.4 only */ else if ((p = strstr(bufin, "LC_CTYPE:")) != NULL) { p = strchr(p, ':'); if (p == NULL || strlen(p) <= 1) pg_log(PG_FATAL, "%d: controldata retrieval problem\n", __LINE__); p++; /* removing ':' char */ /* skip leading spaces and remove trailing newline */ p += strspn(p, " "); if (strlen(p) > 0 && *(p + strlen(p) - 1) == '\n') *(p + strlen(p) - 1) = '\0'; cluster->controldata.lc_ctype = pg_strdup(p); } } if (output) pclose(output); /* * Restore environment variables */ pg_putenv("LC_COLLATE", lc_collate); pg_putenv("LC_CTYPE", lc_ctype); pg_putenv("LC_MONETARY", lc_monetary); pg_putenv("LC_NUMERIC", lc_numeric); pg_putenv("LC_TIME", lc_time); pg_putenv("LANG", lang); pg_putenv("LANGUAGE", language); pg_putenv("LC_ALL", lc_all); pg_putenv("LC_MESSAGES", lc_messages); pg_free(lc_collate); pg_free(lc_ctype); pg_free(lc_monetary); pg_free(lc_numeric); pg_free(lc_time); pg_free(lang); pg_free(language); pg_free(lc_all); pg_free(lc_messages); /* * Before 9.3, pg_resetxlog reported the xlogid and segno of the first * log file after reset as separate lines. Starting with 9.3, it reports * the WAL file name. If the old cluster is older than 9.3, we construct * the WAL file name from the xlogid and segno. */ if (GET_MAJOR_VERSION(cluster->major_version) <= 902) { if (got_log_id && got_log_seg) { snprintf(cluster->controldata.nextxlogfile, 25, "%08X%08X%08X", tli, logid, segno); got_nextxlogfile = true; } } /* verify that we got all the mandatory pg_control data */ if (!got_xid || !got_oid || !got_multi || !got_mxoff || (!got_oldestmulti && cluster->controldata.cat_ver >= MULTIXACT_FORMATCHANGE_CAT_VER) || (!live_check && !got_nextxlogfile) || !got_tli || !got_align || !got_blocksz || !got_largesz || !got_walsz || !got_walseg || !got_ident || !got_index || !got_toast || !got_date_is_int || !got_float8_pass_by_value) { pg_log(PG_REPORT, "The %s cluster lacks some required control information:\n", CLUSTER_NAME(cluster)); if (!got_xid) pg_log(PG_REPORT, " checkpoint next XID\n"); if (!got_oid) pg_log(PG_REPORT, " latest checkpoint next OID\n"); if (!got_multi) pg_log(PG_REPORT, " latest checkpoint next MultiXactId\n"); if (!got_mxoff) pg_log(PG_REPORT, " latest checkpoint next MultiXactOffset\n"); if (!got_oldestmulti && cluster->controldata.cat_ver >= MULTIXACT_FORMATCHANGE_CAT_VER) pg_log(PG_REPORT, " latest checkpoint oldest MultiXactId\n"); if (!live_check && !got_nextxlogfile) pg_log(PG_REPORT, " first WAL segment after reset\n"); if (!got_tli) pg_log(PG_REPORT, " latest checkpoint timeline ID\n"); if (!got_align) pg_log(PG_REPORT, " maximum alignment\n"); if (!got_blocksz) pg_log(PG_REPORT, " block size\n"); if (!got_largesz) pg_log(PG_REPORT, " large relation segment size\n"); if (!got_walsz) pg_log(PG_REPORT, " WAL block size\n"); if (!got_walseg) pg_log(PG_REPORT, " WAL segment size\n"); if (!got_ident) pg_log(PG_REPORT, " maximum identifier length\n"); if (!got_index) pg_log(PG_REPORT, " maximum number of indexed columns\n"); if (!got_toast) pg_log(PG_REPORT, " maximum TOAST chunk size\n"); if (!got_date_is_int) pg_log(PG_REPORT, " dates/times are integers?\n"); /* value added in Postgres 8.4 */ if (!got_float8_pass_by_value) pg_log(PG_REPORT, " float8 argument passing method\n"); pg_log(PG_FATAL, "Cannot continue without required control information, terminating\n"); } }
int main(int argc, char *argv[]) { static struct option long_options[] = { {"list", no_argument, NULL, 'l'}, {"host", required_argument, NULL, 'h'}, {"port", required_argument, NULL, 'p'}, {"username", required_argument, NULL, 'U'}, {"no-password", no_argument, NULL, 'w'}, {"password", no_argument, NULL, 'W'}, {"dbname", required_argument, NULL, 'd'}, {"echo", no_argument, NULL, 'e'}, {NULL, 0, NULL, 0} }; const char *progname; int optindex; int c; bool listlangs = false; const char *dbname = NULL; char *host = NULL; char *port = NULL; char *username = NULL; enum trivalue prompt_password = TRI_DEFAULT; bool echo = false; char *langname = NULL; char *p; PQExpBufferData sql; PGconn *conn; PGresult *result; progname = get_progname(argv[0]); set_pglocale_pgservice(argv[0], PG_TEXTDOMAIN("pgscripts")); handle_help_version_opts(argc, argv, "droplang", help); while ((c = getopt_long(argc, argv, "lh:p:U:wWd:e", long_options, &optindex)) != -1) { switch (c) { case 'l': listlangs = true; break; case 'h': host = pg_strdup(optarg); break; case 'p': port = pg_strdup(optarg); break; case 'U': username = pg_strdup(optarg); break; case 'w': prompt_password = TRI_NO; break; case 'W': prompt_password = TRI_YES; break; case 'd': dbname = pg_strdup(optarg); break; case 'e': echo = true; break; default: fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname); exit(1); } } /* * We set dbname from positional arguments if it is not already set by * option arguments -d. If not doing listlangs, positional dbname must * follow positional langname. */ if (argc - optind > 0) { if (listlangs) { if (dbname == NULL) dbname = argv[optind++]; } else { langname = argv[optind++]; if (argc - optind > 0 && dbname == NULL) dbname = argv[optind++]; } } if (argc - optind > 0) { fprintf(stderr, _("%s: too many command-line arguments (first is \"%s\")\n"), progname, argv[optind]); fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname); exit(1); } if (dbname == NULL) { if (getenv("PGDATABASE")) dbname = getenv("PGDATABASE"); else if (getenv("PGUSER")) dbname = getenv("PGUSER"); else dbname = get_user_name_or_exit(progname); } initPQExpBuffer(&sql); /* * List option */ if (listlangs) { printQueryOpt popt; static const bool translate_columns[] = {false, true}; conn = connectDatabase(dbname, host, port, username, prompt_password, progname, false, false); printfPQExpBuffer(&sql, "SELECT lanname as \"%s\", " "(CASE WHEN lanpltrusted THEN '%s' ELSE '%s' END) as \"%s\" " "FROM pg_catalog.pg_language WHERE lanispl;", gettext_noop("Name"), gettext_noop("yes"), gettext_noop("no"), gettext_noop("Trusted?")); result = executeQuery(conn, sql.data, progname, echo); memset(&popt, 0, sizeof(popt)); popt.topt.format = PRINT_ALIGNED; popt.topt.border = 1; popt.topt.start_table = true; popt.topt.stop_table = true; popt.topt.encoding = PQclientEncoding(conn); popt.title = _("Procedural Languages"); popt.translate_header = true; popt.translate_columns = translate_columns; popt.n_translate_columns = lengthof(translate_columns); printQuery(result, &popt, stdout, false, NULL); PQfinish(conn); exit(0); } if (langname == NULL) { fprintf(stderr, _("%s: missing required argument language name\n"), progname); fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname); exit(1); } /* lower case language name */ for (p = langname; *p; p++) if (*p >= 'A' && *p <= 'Z') *p += ('a' - 'A'); conn = connectDatabase(dbname, host, port, username, prompt_password, progname, false, false); /* * Force schema search path to be just pg_catalog, so that we don't have * to be paranoid about search paths below. */ executeCommand(conn, "SET search_path = pg_catalog;", progname, echo); /* * Make sure the language is installed */ printfPQExpBuffer(&sql, "SELECT oid " "FROM pg_language WHERE lanname = '%s' AND lanispl;", langname); result = executeQuery(conn, sql.data, progname, echo); if (PQntuples(result) == 0) { fprintf(stderr, _("%s: language \"%s\" is not installed in " "database \"%s\"\n"), progname, langname, PQdb(conn)); PQfinish(conn); exit(1); } PQclear(result); /* * Attempt to drop the language. We do not use CASCADE, so that the drop * will fail if there are any functions in the language. */ printfPQExpBuffer(&sql, "DROP EXTENSION \"%s\";", langname); if (echo) printf("%s\n", sql.data); result = PQexec(conn, sql.data); if (PQresultStatus(result) != PGRES_COMMAND_OK) { fprintf(stderr, _("%s: language removal failed: %s"), progname, PQerrorMessage(conn)); PQfinish(conn); exit(1); } PQclear(result); PQfinish(conn); exit(0); }
int main(int argc, char *argv[]) { static struct option long_options[] = { {"host", required_argument, NULL, 'h'}, {"port", required_argument, NULL, 'p'}, {"username", required_argument, NULL, 'U'}, {"no-password", no_argument, NULL, 'w'}, {"password", no_argument, NULL, 'W'}, {"echo", no_argument, NULL, 'e'}, {"quiet", no_argument, NULL, 'q'}, {"schema", required_argument, NULL, 'S'}, {"dbname", required_argument, NULL, 'd'}, {"all", no_argument, NULL, 'a'}, {"system", no_argument, NULL, 's'}, {"table", required_argument, NULL, 't'}, {"index", required_argument, NULL, 'i'}, {"verbose", no_argument, NULL, 'v'}, {"maintenance-db", required_argument, NULL, 2}, {NULL, 0, NULL, 0} }; const char *progname; int optindex; int c; const char *dbname = NULL; const char *maintenance_db = NULL; const char *host = NULL; const char *port = NULL; const char *username = NULL; enum trivalue prompt_password = TRI_DEFAULT; bool syscatalog = false; bool alldb = false; bool echo = false; bool quiet = false; bool verbose = false; SimpleStringList indexes = {NULL, NULL}; SimpleStringList tables = {NULL, NULL}; SimpleStringList schemas = {NULL, NULL}; progname = get_progname(argv[0]); set_pglocale_pgservice(argv[0], PG_TEXTDOMAIN("pgscripts")); handle_help_version_opts(argc, argv, "reindexdb", help); /* process command-line options */ while ((c = getopt_long(argc, argv, "h:p:U:wWeqS:d:ast:i:v", long_options, &optindex)) != -1) { switch (c) { case 'h': host = pg_strdup(optarg); break; case 'p': port = pg_strdup(optarg); break; case 'U': username = pg_strdup(optarg); break; case 'w': prompt_password = TRI_NO; break; case 'W': prompt_password = TRI_YES; break; case 'e': echo = true; break; case 'q': quiet = true; break; case 'S': simple_string_list_append(&schemas, optarg); break; case 'd': dbname = pg_strdup(optarg); break; case 'a': alldb = true; break; case 's': syscatalog = true; break; case 't': simple_string_list_append(&tables, optarg); break; case 'i': simple_string_list_append(&indexes, optarg); break; case 'v': verbose = true; break; case 2: maintenance_db = pg_strdup(optarg); break; default: fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname); exit(1); } } /* * Non-option argument specifies database name as long as it wasn't * already specified with -d / --dbname */ if (optind < argc && dbname == NULL) { dbname = argv[optind]; optind++; } if (optind < argc) { fprintf(stderr, _("%s: too many command-line arguments (first is \"%s\")\n"), progname, argv[optind]); fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname); exit(1); } setup_cancel_handler(); if (alldb) { if (dbname) { fprintf(stderr, _("%s: cannot reindex all databases and a specific one at the same time\n"), progname); exit(1); } if (syscatalog) { fprintf(stderr, _("%s: cannot reindex all databases and system catalogs at the same time\n"), progname); exit(1); } if (schemas.head != NULL) { fprintf(stderr, _("%s: cannot reindex specific schema(s) in all databases\n"), progname); exit(1); } if (tables.head != NULL) { fprintf(stderr, _("%s: cannot reindex specific table(s) in all databases\n"), progname); exit(1); } if (indexes.head != NULL) { fprintf(stderr, _("%s: cannot reindex specific index(es) in all databases\n"), progname); exit(1); } reindex_all_databases(maintenance_db, host, port, username, prompt_password, progname, echo, quiet, verbose); } else if (syscatalog) { if (schemas.head != NULL) { fprintf(stderr, _("%s: cannot reindex specific schema(s) and system catalogs at the same time\n"), progname); exit(1); } if (tables.head != NULL) { fprintf(stderr, _("%s: cannot reindex specific table(s) and system catalogs at the same time\n"), progname); exit(1); } if (indexes.head != NULL) { fprintf(stderr, _("%s: cannot reindex specific index(es) and system catalogs at the same time\n"), progname); exit(1); } if (dbname == NULL) { if (getenv("PGDATABASE")) dbname = getenv("PGDATABASE"); else if (getenv("PGUSER")) dbname = getenv("PGUSER"); else dbname = get_user_name_or_exit(progname); } reindex_system_catalogs(dbname, host, port, username, prompt_password, progname, echo, verbose); } else { if (dbname == NULL) { if (getenv("PGDATABASE")) dbname = getenv("PGDATABASE"); else if (getenv("PGUSER")) dbname = getenv("PGUSER"); else dbname = get_user_name_or_exit(progname); } if (schemas.head != NULL) { SimpleStringListCell *cell; for (cell = schemas.head; cell; cell = cell->next) { reindex_one_database(cell->val, dbname, "SCHEMA", host, port, username, prompt_password, progname, echo, verbose); } } if (indexes.head != NULL) { SimpleStringListCell *cell; for (cell = indexes.head; cell; cell = cell->next) { reindex_one_database(cell->val, dbname, "INDEX", host, port, username, prompt_password, progname, echo, verbose); } } if (tables.head != NULL) { SimpleStringListCell *cell; for (cell = tables.head; cell; cell = cell->next) { reindex_one_database(cell->val, dbname, "TABLE", host, port, username, prompt_password, progname, echo, verbose); } } /* * reindex database only if neither index nor table nor schema is * specified */ if (indexes.head == NULL && tables.head == NULL && schemas.head == NULL) reindex_one_database(dbname, dbname, "DATABASE", host, port, username, prompt_password, progname, echo, verbose); } exit(0); }
int main(int argc, char **argv) { static struct option long_options[] = { {"help", no_argument, NULL, '?'}, {"version", no_argument, NULL, 'V'}, {"pgdata", required_argument, NULL, 'D'}, {"format", required_argument, NULL, 'F'}, {"checkpoint", required_argument, NULL, 'c'}, {"xlog", no_argument, NULL, 'x'}, {"xlog-method", required_argument, NULL, 'X'}, {"gzip", no_argument, NULL, 'z'}, {"compress", required_argument, NULL, 'Z'}, {"label", required_argument, NULL, 'l'}, {"host", required_argument, NULL, 'h'}, {"port", required_argument, NULL, 'p'}, {"username", required_argument, NULL, 'U'}, {"no-password", no_argument, NULL, 'w'}, {"password", no_argument, NULL, 'W'}, {"status-interval", required_argument, NULL, 's'}, {"verbose", no_argument, NULL, 'v'}, {"progress", no_argument, NULL, 'P'}, {NULL, 0, NULL, 0} }; int c; int option_index; progname = get_progname(argv[0]); set_pglocale_pgservice(argv[0], PG_TEXTDOMAIN("pg_basebackup")); if (argc > 1) { if (strcmp(argv[1], "--help") == 0 || strcmp(argv[1], "-?") == 0) { usage(); exit(0); } else if (strcmp(argv[1], "-V") == 0 || strcmp(argv[1], "--version") == 0) { puts("pg_basebackup (PostgreSQL) " PG_VERSION); exit(0); } } while ((c = getopt_long(argc, argv, "D:F:xX:l:zZ:c:h:p:U:s:wWvP", long_options, &option_index)) != -1) { switch (c) { case 'D': basedir = pg_strdup(optarg); break; case 'F': if (strcmp(optarg, "p") == 0 || strcmp(optarg, "plain") == 0) format = 'p'; else if (strcmp(optarg, "t") == 0 || strcmp(optarg, "tar") == 0) format = 't'; else { fprintf(stderr, _("%s: invalid output format \"%s\", must be \"plain\" or \"tar\"\n"), progname, optarg); exit(1); } break; case 'x': if (includewal) { fprintf(stderr, _("%s: cannot specify both --xlog and --xlog-method\n"), progname); exit(1); } includewal = true; streamwal = false; break; case 'X': if (includewal) { fprintf(stderr, _("%s: cannot specify both --xlog and --xlog-method\n"), progname); exit(1); } includewal = true; if (strcmp(optarg, "f") == 0 || strcmp(optarg, "fetch") == 0) streamwal = false; else if (strcmp(optarg, "s") == 0 || strcmp(optarg, "stream") == 0) streamwal = true; else { fprintf(stderr, _("%s: invalid xlog-method option \"%s\", must be \"fetch\" or \"stream\"\n"), progname, optarg); exit(1); } break; case 'l': label = pg_strdup(optarg); break; case 'z': #ifdef HAVE_LIBZ compresslevel = Z_DEFAULT_COMPRESSION; #else compresslevel = 1; /* will be rejected below */ #endif break; case 'Z': compresslevel = atoi(optarg); if (compresslevel <= 0 || compresslevel > 9) { fprintf(stderr, _("%s: invalid compression level \"%s\"\n"), progname, optarg); exit(1); } break; case 'c': if (pg_strcasecmp(optarg, "fast") == 0) fastcheckpoint = true; else if (pg_strcasecmp(optarg, "spread") == 0) fastcheckpoint = false; else { fprintf(stderr, _("%s: invalid checkpoint argument \"%s\", must be \"fast\" or \"spread\"\n"), progname, optarg); exit(1); } break; case 'h': dbhost = pg_strdup(optarg); break; case 'p': dbport = pg_strdup(optarg); break; case 'U': dbuser = pg_strdup(optarg); break; case 'w': dbgetpassword = -1; break; case 'W': dbgetpassword = 1; break; case 's': standby_message_timeout = atoi(optarg) * 1000; if (standby_message_timeout < 0) { fprintf(stderr, _("%s: invalid status interval \"%s\"\n"), progname, optarg); exit(1); } break; case 'v': verbose++; break; case 'P': showprogress = true; break; default: /* * getopt_long already emitted a complaint */ fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname); exit(1); } } /* * Any non-option arguments? */ if (optind < argc) { fprintf(stderr, _("%s: too many command-line arguments (first is \"%s\")\n"), progname, argv[optind]); fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname); exit(1); } /* * Required arguments */ if (basedir == NULL) { fprintf(stderr, _("%s: no target directory specified\n"), progname); fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname); exit(1); } /* * Mutually exclusive arguments */ if (format == 'p' && compresslevel != 0) { fprintf(stderr, _("%s: only tar mode backups can be compressed\n"), progname); fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname); exit(1); } if (format != 'p' && streamwal) { fprintf(stderr, _("%s: wal streaming can only be used in plain mode\n"), progname); fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname); exit(1); } #ifndef HAVE_LIBZ if (compresslevel != 0) { fprintf(stderr, _("%s: this build does not support compression\n"), progname); exit(1); } #endif /* * Verify that the target directory exists, or create it. For plaintext * backups, always require the directory. For tar backups, require it * unless we are writing to stdout. */ if (format == 'p' || strcmp(basedir, "-") != 0) verify_dir_is_empty_or_create(basedir); BaseBackup(); return 0; }