/*
* PrintQueryTuples: assuming query result is OK, print its tuples
*
* Returns true if successful, false otherwise.
*/
static bool
PrintQueryTuples(const PGresult *results)
{
/* write output to \g argument, if any */
if (pset.gfname)
{
FILE *queryFout_copy = pset.queryFout;
bool queryFoutPipe_copy = pset.queryFoutPipe;
pset.queryFout = stdout; /* so it doesn't get closed */
/* open file/pipe */
if (!setQFout(pset.gfname))
{
pset.queryFout = queryFout_copy;
pset.queryFoutPipe = queryFoutPipe_copy;
return false;
}
printQuery(results, &pset.popt, pset.queryFout);
/* close file/pipe, restore old setting */
setQFout(NULL);
pset.queryFout = queryFout_copy;
pset.queryFoutPipe = queryFoutPipe_copy;
free(pset.gfname);
pset.gfname = NULL;
}
else
printQuery(results, &pset.popt, pset.queryFout);
return true;
}
/*
* PrintQueryTuples: assuming query result is OK, print its tuples
*
* Returns true if successful, false otherwise.
*/
static bool
PrintQueryTuples(const PGresult *results)
{
printQueryOpt my_popt = pset.popt;
/* write output to \g argument, if any */
if (pset.gfname)
{
/* keep this code in sync with ExecQueryUsingCursor */
FILE *queryFout_copy = pset.queryFout;
bool queryFoutPipe_copy = pset.queryFoutPipe;
pset.queryFout = stdout; /* so it doesn't get closed */
/* open file/pipe */
if (!setQFout(pset.gfname))
{
pset.queryFout = queryFout_copy;
pset.queryFoutPipe = queryFoutPipe_copy;
return false;
}
printQuery(results, &my_popt, pset.queryFout, pset.logfile);
/* close file/pipe, restore old setting */
setQFout(NULL);
pset.queryFout = queryFout_copy;
pset.queryFoutPipe = queryFoutPipe_copy;
}
else
printQuery(results, &my_popt, pset.queryFout, pset.logfile);
return true;
}
/*
* PrintQueryTuples: assuming query result is OK, print its tuples
*
* Returns true if successful, false otherwise.
*/
static bool
PrintQueryTuples(const PGresult *results)
{
printQueryOpt my_popt = pset.popt;
/* write output to \g argument, if any */
if (pset.gfname)
{
FILE *fout;
bool is_pipe;
if (!openQueryOutputFile(pset.gfname, &fout, &is_pipe))
return false;
if (is_pipe)
disable_sigpipe_trap();
printQuery(results, &my_popt, fout, false, pset.logfile);
if (is_pipe)
{
pclose(fout);
restore_sigpipe_trap();
}
else
fclose(fout);
}
else
printQuery(results, &my_popt, pset.queryFout, false, pset.logfile);
return true;
}
/*
* do_lo_list()
*
* Show all large objects in database with comments
*/
bool
do_lo_list(void)
{
PGresult *res;
char buf[1024];
printQueryOpt myopt = pset.popt;
snprintf(buf, sizeof(buf),
"SELECT loid as \"ID\",\n"
" pg_catalog.obj_description(loid, 'pg_largeobject') as \"%s\"\n"
"FROM (SELECT DISTINCT loid FROM pg_catalog.pg_largeobject) x\n"
"ORDER BY 1",
_("Description"));
res = PSQLexec(buf, false);
if (!res)
return false;
myopt.topt.tuples_only = false;
myopt.nullPrint = NULL;
myopt.title = _("Large objects");
printQuery(res, &myopt, pset.queryFout, pset.logfile);
PQclear(res);
return true;
}
void ExprSMTLIBPrinter::generateOutput() {
if (p == NULL || query == NULL || o == NULL) {
std::cerr << "ExprSMTLIBPrinter::generateOutput() Can't print SMTLIBv2. "
"Output or query bad!" << std::endl;
return;
}
if (humanReadable)
printNotice();
printOptions();
printSetLogic();
printArrayDeclarations();
printConstraints();
printQuery();
printAction();
printExit();
}
/*
* do_lo_list()
*
* Show all large objects in database with comments
*/
bool
do_lo_list(void)
{
PGresult *res;
char buf[1024];
printQueryOpt myopt = pset.popt;
if (pset.sversion >= 90000)
{
snprintf(buf, sizeof(buf),
"SELECT oid as \"%s\",\n"
" pg_catalog.pg_get_userbyid(lomowner) as \"%s\",\n"
" pg_catalog.obj_description(oid, 'pg_largeobject') as \"%s\"\n"
" FROM pg_catalog.pg_largeobject_metadata "
" ORDER BY oid",
gettext_noop("ID"),
gettext_noop("Owner"),
gettext_noop("Description"));
}
else
{
snprintf(buf, sizeof(buf),
"SELECT loid as \"%s\",\n"
" pg_catalog.obj_description(loid, 'pg_largeobject') as \"%s\"\n"
"FROM (SELECT DISTINCT loid FROM pg_catalog.pg_largeobject) x\n"
"ORDER BY 1",
gettext_noop("ID"),
gettext_noop("Description"));
}
res = PSQLexec(buf, false);
if (!res)
return false;
myopt.topt.tuples_only = false;
myopt.nullPrint = NULL;
myopt.title = _("Large objects");
myopt.translate_header = true;
printQuery(res, &myopt, pset.queryFout, pset.logfile);
PQclear(res);
return true;
}
static void
testCount (adtree_t* adtreePtr,
data_t* dataPtr,
vector_t* queryVectorPtr,
long index,
long numVar)
{
if (index >= numVar) {
return;
}
long count1 = adtree_getCount(adtreePtr, queryVectorPtr);
long count2 = countData(dataPtr, queryVectorPtr);
if (global_doPrint) {
printQuery(queryVectorPtr);
printf(" count1=%li count2=%li\n", count1, count2);
fflush(stdout);
}
assert(count1 == count2);
query_t query;
long i;
for (i = 1; i < numVar; i++) {
query.index = index + i;
bool_t status = vector_pushBack(queryVectorPtr, (void*)&query);
assert(status);
query.value = 0;
testCount(adtreePtr, dataPtr, queryVectorPtr, query.index, numVar);
query.value = 1;
testCount(adtreePtr, dataPtr, queryVectorPtr, query.index, numVar);
vector_popBack(queryVectorPtr);
}
}
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;
Oid lanplcallfoid;
Oid laninline;
Oid lanvalidator;
char *handler;
char *inline_handler;
char *validator;
char *handler_ns;
char *inline_ns;
char *validator_ns;
bool keephandler;
bool keepinline;
bool keepvalidator;
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 = optarg;
break;
case 'p':
port = optarg;
break;
case 'U':
username = optarg;
break;
case 'w':
prompt_password = TRI_NO;
break;
case 'W':
prompt_password = TRI_YES;
break;
case 'd':
dbname = optarg;
break;
case 'e':
echo = true;
break;
default:
fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname);
exit(1);
}
}
if (argc - optind > 0)
{
if (listlangs)
dbname = argv[optind++];
else
{
langname = argv[optind++];
if (argc - optind > 0)
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(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);
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;
printQuery(result, &popt, stdout, 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);
}
for (p = langname; *p; p++)
if (*p >= 'A' && *p <= 'Z')
*p += ('a' - 'A');
conn = connectDatabase(dbname, host, port, username, prompt_password, progname);
/*
* 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 and find the OIDs of the language
* support functions
*/
printfPQExpBuffer(&sql, "SELECT lanplcallfoid, laninline, lanvalidator "
"FROM pg_language WHERE lanname = '%s' AND lanispl;",
langname);
result = executeQuery(conn, sql.data, progname, echo);
if (PQntuples(result) == 0)
{
PQfinish(conn);
fprintf(stderr, _("%s: language \"%s\" is not installed in "
"database \"%s\"\n"),
progname, langname, dbname);
exit(1);
}
lanplcallfoid = atooid(PQgetvalue(result, 0, 0));
laninline = atooid(PQgetvalue(result, 0, 1));
lanvalidator = atooid(PQgetvalue(result, 0, 2));
PQclear(result);
/*
* Check that there are no functions left defined in that language
*/
printfPQExpBuffer(&sql, "SELECT count(proname) FROM pg_proc P, "
"pg_language L WHERE P.prolang = L.oid "
"AND L.lanname = '%s';", langname);
result = executeQuery(conn, sql.data, progname, echo);
if (strcmp(PQgetvalue(result, 0, 0), "0") != 0)
{
PQfinish(conn);
fprintf(stderr,
_("%s: still %s functions declared in language \"%s\"; "
"language not removed\n"),
progname, PQgetvalue(result, 0, 0), langname);
exit(1);
}
PQclear(result);
/*
* Check that the handler function isn't used by some other language
*/
printfPQExpBuffer(&sql, "SELECT count(*) FROM pg_language "
"WHERE lanplcallfoid = %u AND lanname <> '%s';",
lanplcallfoid, langname);
result = executeQuery(conn, sql.data, progname, echo);
if (strcmp(PQgetvalue(result, 0, 0), "0") == 0)
keephandler = false;
else
keephandler = true;
PQclear(result);
/*
* Find the handler name
*/
if (!keephandler)
{
printfPQExpBuffer(&sql, "SELECT proname, (SELECT nspname "
"FROM pg_namespace ns WHERE ns.oid = pronamespace) "
"AS prons FROM pg_proc WHERE oid = %u;",
lanplcallfoid);
result = executeQuery(conn, sql.data, progname, echo);
handler = strdup(PQgetvalue(result, 0, 0));
handler_ns = strdup(PQgetvalue(result, 0, 1));
PQclear(result);
}
else
{
handler = NULL;
handler_ns = NULL;
}
/*
* Check that the inline function isn't used by some other language
*/
if (OidIsValid(laninline))
{
printfPQExpBuffer(&sql, "SELECT count(*) FROM pg_language "
"WHERE laninline = %u AND lanname <> '%s';",
laninline, langname);
result = executeQuery(conn, sql.data, progname, echo);
if (strcmp(PQgetvalue(result, 0, 0), "0") == 0)
keepinline = false;
else
keepinline = true;
PQclear(result);
}
else
keepinline = true; /* don't try to delete it */
/*
* Find the inline handler name
*/
if (!keepinline)
{
printfPQExpBuffer(&sql, "SELECT proname, (SELECT nspname "
"FROM pg_namespace ns WHERE ns.oid = pronamespace) "
"AS prons FROM pg_proc WHERE oid = %u;",
laninline);
result = executeQuery(conn, sql.data, progname, echo);
inline_handler = strdup(PQgetvalue(result, 0, 0));
inline_ns = strdup(PQgetvalue(result, 0, 1));
PQclear(result);
}
else
{
inline_handler = NULL;
inline_ns = NULL;
}
/*
* Check that the validator function isn't used by some other language
*/
if (OidIsValid(lanvalidator))
{
printfPQExpBuffer(&sql, "SELECT count(*) FROM pg_language "
"WHERE lanvalidator = %u AND lanname <> '%s';",
lanvalidator, langname);
result = executeQuery(conn, sql.data, progname, echo);
if (strcmp(PQgetvalue(result, 0, 0), "0") == 0)
keepvalidator = false;
else
keepvalidator = true;
PQclear(result);
}
else
keepvalidator = true; /* don't try to delete it */
/*
* Find the validator name
*/
if (!keepvalidator)
{
printfPQExpBuffer(&sql, "SELECT proname, (SELECT nspname "
"FROM pg_namespace ns WHERE ns.oid = pronamespace) "
"AS prons FROM pg_proc WHERE oid = %u;",
lanvalidator);
result = executeQuery(conn, sql.data, progname, echo);
validator = strdup(PQgetvalue(result, 0, 0));
validator_ns = strdup(PQgetvalue(result, 0, 1));
PQclear(result);
}
else
{
validator = NULL;
validator_ns = NULL;
}
/*
* Drop the language and the functions
*/
printfPQExpBuffer(&sql, "DROP LANGUAGE \"%s\";\n", langname);
if (!keephandler)
appendPQExpBuffer(&sql, "DROP FUNCTION \"%s\".\"%s\" ();\n",
handler_ns, handler);
if (!keepinline)
appendPQExpBuffer(&sql, "DROP FUNCTION \"%s\".\"%s\" (internal);\n",
inline_ns, inline_handler);
if (!keepvalidator)
appendPQExpBuffer(&sql, "DROP FUNCTION \"%s\".\"%s\" (oid);\n",
validator_ns, validator);
if (echo)
printf("%s", 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);
}
/*
* ExecQueryUsingCursor: run a SELECT-like query using a cursor
*
* This feature allows result sets larger than RAM to be dealt with.
*
* Returns true if the query executed successfully, false otherwise.
*
* If pset.timing is on, total query time (exclusive of result-printing) is
* stored into *elapsed_msec.
*/
static bool
ExecQueryUsingCursor(const char *query, double *elapsed_msec)
{
bool OK = true;
PGresult *results;
PQExpBufferData buf;
printQueryOpt my_popt = pset.popt;
FILE *queryFout_copy = pset.queryFout;
bool queryFoutPipe_copy = pset.queryFoutPipe;
bool started_txn = false;
bool did_pager = false;
int ntuples;
char fetch_cmd[64];
instr_time before,
after;
int flush_error;
*elapsed_msec = 0;
/* initialize print options for partial table output */
my_popt.topt.start_table = true;
my_popt.topt.stop_table = false;
my_popt.topt.prior_records = 0;
if (pset.timing)
INSTR_TIME_SET_CURRENT(before);
/* if we're not in a transaction, start one */
if (PQtransactionStatus(pset.db) == PQTRANS_IDLE)
{
results = PQexec(pset.db, "BEGIN");
OK = AcceptResult(results) &&
(PQresultStatus(results) == PGRES_COMMAND_OK);
PQclear(results);
if (!OK)
return false;
started_txn = true;
}
/* Send DECLARE CURSOR */
initPQExpBuffer(&buf);
appendPQExpBuffer(&buf, "DECLARE _psql_cursor NO SCROLL CURSOR FOR\n%s",
query);
results = PQexec(pset.db, buf.data);
OK = AcceptResult(results) &&
(PQresultStatus(results) == PGRES_COMMAND_OK);
PQclear(results);
termPQExpBuffer(&buf);
if (!OK)
goto cleanup;
if (pset.timing)
{
INSTR_TIME_SET_CURRENT(after);
INSTR_TIME_SUBTRACT(after, before);
*elapsed_msec += INSTR_TIME_GET_MILLISEC(after);
}
snprintf(fetch_cmd, sizeof(fetch_cmd),
"FETCH FORWARD %d FROM _psql_cursor",
pset.fetch_count);
/* prepare to write output to \g argument, if any */
if (pset.gfname)
{
/* keep this code in sync with PrintQueryTuples */
pset.queryFout = stdout; /* so it doesn't get closed */
/* open file/pipe */
if (!setQFout(pset.gfname))
{
pset.queryFout = queryFout_copy;
pset.queryFoutPipe = queryFoutPipe_copy;
OK = false;
goto cleanup;
}
}
/* clear any pre-existing error indication on the output stream */
clearerr(pset.queryFout);
for (;;)
{
if (pset.timing)
INSTR_TIME_SET_CURRENT(before);
/* get FETCH_COUNT tuples at a time */
results = PQexec(pset.db, fetch_cmd);
if (pset.timing)
{
INSTR_TIME_SET_CURRENT(after);
INSTR_TIME_SUBTRACT(after, before);
*elapsed_msec += INSTR_TIME_GET_MILLISEC(after);
}
if (PQresultStatus(results) != PGRES_TUPLES_OK)
{
/* shut down pager before printing error message */
if (did_pager)
{
ClosePager(pset.queryFout);
pset.queryFout = queryFout_copy;
pset.queryFoutPipe = queryFoutPipe_copy;
did_pager = false;
}
OK = AcceptResult(results);
psql_assert(!OK);
PQclear(results);
break;
}
ntuples = PQntuples(results);
if (ntuples < pset.fetch_count)
{
/* this is the last result set, so allow footer decoration */
my_popt.topt.stop_table = true;
}
else if (pset.queryFout == stdout && !did_pager)
{
/*
* If query requires multiple result sets, hack to ensure that
* only one pager instance is used for the whole mess
*/
pset.queryFout = PageOutput(100000, my_popt.topt.pager);
did_pager = true;
}
printQuery(results, &my_popt, pset.queryFout, pset.logfile);
PQclear(results);
/* after the first result set, disallow header decoration */
my_popt.topt.start_table = false;
my_popt.topt.prior_records += ntuples;
/*
* Make sure to flush the output stream, so intermediate results are
* visible to the client immediately. We check the results because if
* the pager dies/exits/etc, there's no sense throwing more data at
* it.
*/
flush_error = fflush(pset.queryFout);
/*
* Check if we are at the end, if a cancel was pressed, or if there
* were any errors either trying to flush out the results, or more
* generally on the output stream at all. If we hit any errors
* writing things to the stream, we presume $PAGER has disappeared and
* stop bothering to pull down more data.
*/
if (ntuples < pset.fetch_count || cancel_pressed || flush_error ||
ferror(pset.queryFout))
break;
}
/* close \g argument file/pipe, restore old setting */
if (pset.gfname)
{
/* keep this code in sync with PrintQueryTuples */
setQFout(NULL);
pset.queryFout = queryFout_copy;
pset.queryFoutPipe = queryFoutPipe_copy;
free(pset.gfname);
pset.gfname = NULL;
}
else if (did_pager)
{
ClosePager(pset.queryFout);
pset.queryFout = queryFout_copy;
pset.queryFoutPipe = queryFoutPipe_copy;
}
cleanup:
if (pset.timing)
INSTR_TIME_SET_CURRENT(before);
/*
* We try to close the cursor on either success or failure, but on failure
* ignore the result (it's probably just a bleat about being in an aborted
* transaction)
*/
results = PQexec(pset.db, "CLOSE _psql_cursor");
if (OK)
{
OK = AcceptResult(results) &&
(PQresultStatus(results) == PGRES_COMMAND_OK);
}
PQclear(results);
if (started_txn)
{
results = PQexec(pset.db, OK ? "COMMIT" : "ROLLBACK");
OK &= AcceptResult(results) &&
(PQresultStatus(results) == PGRES_COMMAND_OK);
PQclear(results);
}
if (pset.timing)
{
INSTR_TIME_SET_CURRENT(after);
INSTR_TIME_SUBTRACT(after, before);
*elapsed_msec += INSTR_TIME_GET_MILLISEC(after);
}
return OK;
}
int main(int argc, char **argv, char **envp)
#endif
{
char *cp, *method;
int i, j, err;
err = 0;
outputArgs = outputQuery = outputEnv = outputPost = 0;
outputBytes = outputHeaderLines = responseStatus = 0;
outputLocation = 0;
nonParsedHeader = 0;
responseMsg = 0;
hasError = 0;
timeout = 0;
queryBuf = 0;
queryLen = 0;
numQueryKeys = numPostKeys = 0;
originalArgc = argc;
originalArgv = argv;
#if _WIN32 && !WINCE
_setmode(0, O_BINARY);
_setmode(1, O_BINARY);
_setmode(2, O_BINARY);
#endif
if (strstr(argv[0], "nph-") != 0) {
nonParsedHeader++;
}
if (getArgv(&argc, &argv, originalArgc, originalArgv) < 0) {
error("Can't read CGI input");
}
for (i = 1; i < argc; i++) {
if (argv[i][0] != '-') {
continue;
}
for (cp = &argv[i][1]; *cp; cp++) {
switch (*cp) {
case 'a':
outputArgs++;
break;
case 'b':
if (++i >= argc) {
err = __LINE__;
} else {
outputBytes = atoi(argv[i]);
}
break;
case 'e':
outputEnv++;
break;
case 'h':
if (++i >= argc) {
err = __LINE__;
} else {
outputHeaderLines = atoi(argv[i]);
nonParsedHeader++;
}
break;
case 'l':
if (++i >= argc) {
err = __LINE__;
} else {
outputLocation = argv[i];
if (responseStatus == 0) {
responseStatus = 302;
}
}
break;
case 'n':
nonParsedHeader++;
break;
case 'p':
outputPost++;
break;
case 'q':
outputQuery++;
break;
case 's':
if (++i >= argc) {
err = __LINE__;
} else {
responseStatus = atoi(argv[i]);
}
break;
case 't':
if (++i >= argc) {
err = __LINE__;
} else {
timeout = atoi(argv[i]);
}
break;
default:
err = __LINE__;
break;
}
}
}
if (err) {
fprintf(stderr, "usage: cgiProgram -aenp [-b bytes] [-h lines]\n"
"\t[-l location] [-s status] [-t timeout]\n"
"\tor set the HTTP_SWITCHES environment variable\n");
fprintf(stderr, "Error at cgiProgram:%d\n", __LINE__);
exit(255);
}
if ((method = getenv("REQUEST_METHOD")) != 0 && strcmp(method, "POST") == 0) {
if (getPostData(&postBuf, &postBufLen) < 0) {
error("Can't read CGI input");
}
if (strcmp(safeGetenv("CONTENT_TYPE"), "application/x-www-form-urlencoded") == 0) {
numPostKeys = getVars(&postKeys, postBuf, postBufLen);
}
}
if (hasError) {
if (! nonParsedHeader) {
printf("HTTP/1.0 %d %s\r\n\r\n", responseStatus, responseMsg);
printf("<HTML><BODY><p>Error: %d -- %s</p></BODY></HTML>\r\n", responseStatus, responseMsg);
}
fprintf(stderr, "cgiProgram: ERROR: %s\n", responseMsg);
exit(2);
}
if (nonParsedHeader) {
if (responseStatus == 0) {
printf("HTTP/1.0 200 OK\r\n");
} else {
printf("HTTP/1.0 %d %s\r\n", responseStatus, responseMsg ? responseMsg: "");
}
printf("Connection: close\r\n");
printf("X-CGI-CustomHeader: Any value at all\r\n");
}
printf("Content-type: %s\r\n", "text/html");
if (outputHeaderLines) {
for (i = 0; i < outputHeaderLines; i++) {
printf("X-CGI-%d: A loooooooooooooooooooooooong string\r\n", i);
}
}
if (outputLocation) {
printf("Location: %s\r\n", outputLocation);
}
if (responseStatus) {
printf("Status: %d\r\n", responseStatus);
}
printf("\r\n");
if ((outputBytes + outputArgs + outputEnv + outputQuery + outputPost + outputLocation + responseStatus) == 0) {
outputArgs++;
outputEnv++;
outputQuery++;
outputPost++;
}
if (outputBytes) {
j = 0;
for (i = 0; i < outputBytes; i++) {
putchar('0' + j);
j++;
if (j > 9) {
if (++outputBytes > 0) {
putchar('\r');
}
if (++outputBytes > 0) {
putchar('\n');
}
j = 0;
}
}
}
printf("<HTML><TITLE>cgiProgram: Output</TITLE><BODY>\r\n");
if (outputArgs) {
#if _WIN32
printf("<P>CommandLine: %s</P>\r\n", GetCommandLine());
#endif
printf("<H2>Args</H2>\r\n");
for (i = 0; i < argc; i++) {
printf("<P>ARG[%d]=%s</P>\r\n", i, argv[i]);
}
}
printEnv(envp);
if (outputQuery) {
printQuery();
}
if (outputPost) {
printPost(postBuf, postBufLen);
}
printf("</BODY></HTML>\r\n");
#if VXWORKS
/*
VxWorks pipes need an explicit eof string
Must not call exit(0) in Vxworks as that will exit the task before the CGI handler can cleanup. Must use return 0.
*/
write(1, MPR_CMD_VXWORKS_EOF, MPR_CMD_VXWORKS_EOF_LEN);
write(2, MPR_CMD_VXWORKS_EOF, MPR_CMD_VXWORKS_EOF_LEN);
#endif
fflush(stderr);
fflush(stdout);
return 0;
}
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, "createlang", 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, NULL,
prompt_password, progname, 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, 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, NULL,
prompt_password, progname, false);
/*
* Make sure the language isn't already installed
*/
printfPQExpBuffer(&sql,
"SELECT oid FROM pg_catalog.pg_language WHERE lanname = '%s';",
langname);
result = executeQuery(conn, sql.data, progname, echo);
if (PQntuples(result) > 0)
{
PQfinish(conn);
fprintf(stderr,
_("%s: language \"%s\" is already installed in database \"%s\"\n"),
progname, langname, dbname);
/* separate exit status for "already installed" */
exit(2);
}
PQclear(result);
/*
* In 9.1 and up, assume that languages should be installed using CREATE
* EXTENSION. However, it's possible this tool could be used against an
* older server, and it's easy enough to continue supporting the old way.
*/
if (PQserverVersion(conn) >= 90100)
printfPQExpBuffer(&sql, "CREATE EXTENSION \"%s\";", langname);
else
printfPQExpBuffer(&sql, "CREATE LANGUAGE \"%s\";", langname);
if (echo)
printf("%s\n", sql.data);
result = PQexec(conn, sql.data);
if (PQresultStatus(result) != PGRES_COMMAND_OK)
{
fprintf(stderr, _("%s: language installation failed: %s"),
progname, PQerrorMessage(conn));
PQfinish(conn);
exit(1);
}
PQclear(result);
PQfinish(conn);
exit(0);
}
/*
* PSQLexecWatch
*
* This function is used for \watch command to send the query to
* the server and print out the results.
*
* Returns 1 if the query executed successfully, 0 if it cannot be repeated,
* e.g., because of the interrupt, -1 on error.
*/
int
PSQLexecWatch(const char *query, const printQueryOpt *opt)
{
PGresult *res;
double elapsed_msec = 0;
instr_time before;
instr_time after;
if (!pset.db)
{
psql_error("You are currently not connected to a database.\n");
return 0;
}
SetCancelConn();
if (pset.timing)
INSTR_TIME_SET_CURRENT(before);
res = PQexec(pset.db, query);
ResetCancelConn();
if (!AcceptResult(res))
{
PQclear(res);
return 0;
}
if (pset.timing)
{
INSTR_TIME_SET_CURRENT(after);
INSTR_TIME_SUBTRACT(after, before);
elapsed_msec = INSTR_TIME_GET_MILLISEC(after);
}
/*
* If SIGINT is sent while the query is processing, the interrupt
* will be consumed. The user's intention, though, is to cancel
* the entire watch process, so detect a sent cancellation request and
* exit in this case.
*/
if (cancel_pressed)
{
PQclear(res);
return 0;
}
switch (PQresultStatus(res))
{
case PGRES_TUPLES_OK:
printQuery(res, opt, pset.queryFout, pset.logfile);
break;
case PGRES_COMMAND_OK:
fprintf(pset.queryFout, "%s\n%s\n\n", opt->title, PQcmdStatus(res));
break;
case PGRES_EMPTY_QUERY:
psql_error(_("\\watch cannot be used with an empty query\n"));
PQclear(res);
return -1;
case PGRES_COPY_OUT:
case PGRES_COPY_IN:
case PGRES_COPY_BOTH:
psql_error(_("\\watch cannot be used with COPY\n"));
PQclear(res);
return -1;
default:
psql_error(_("unexpected result status for \\watch\n"));
PQclear(res);
return -1;
}
PQclear(res);
fflush(pset.queryFout);
/* Possible microtiming output */
if (pset.timing)
printf(_("Time: %.3f ms\n"), elapsed_msec);
return 1;
}
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(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);
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;
printQuery(result, &popt, stdout, 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);
/*
* 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)
{
PQfinish(conn);
fprintf(stderr, _("%s: language \"%s\" is not installed in "
"database \"%s\"\n"),
progname, langname, dbname);
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\";\n", langname);
if (echo)
printf("%s", 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);
}
/*
* ExecQueryUsingCursor: run a SELECT-like query using a cursor
*
* This feature allows result sets larger than RAM to be dealt with.
*
* Returns true if the query executed successfully, false otherwise.
*
* If pset.timing is on, total query time (exclusive of result-printing) is
* stored into *elapsed_msec.
*/
static bool
ExecQueryUsingCursor(const char *query, double *elapsed_msec)
{
bool OK = true;
PGresult *results;
PQExpBufferData buf;
printQueryOpt my_popt = pset.popt;
FILE *fout;
bool is_pipe;
bool is_pager = false;
bool started_txn = false;
int ntuples;
int fetch_count;
char fetch_cmd[64];
instr_time before,
after;
int flush_error;
*elapsed_msec = 0;
/* initialize print options for partial table output */
my_popt.topt.start_table = true;
my_popt.topt.stop_table = false;
my_popt.topt.prior_records = 0;
if (pset.timing)
INSTR_TIME_SET_CURRENT(before);
/* if we're not in a transaction, start one */
if (PQtransactionStatus(pset.db) == PQTRANS_IDLE)
{
results = PQexec(pset.db, "BEGIN");
OK = AcceptResult(results) &&
(PQresultStatus(results) == PGRES_COMMAND_OK);
ClearOrSaveResult(results);
if (!OK)
return false;
started_txn = true;
}
/* Send DECLARE CURSOR */
initPQExpBuffer(&buf);
appendPQExpBuffer(&buf, "DECLARE _psql_cursor NO SCROLL CURSOR FOR\n%s",
query);
results = PQexec(pset.db, buf.data);
OK = AcceptResult(results) &&
(PQresultStatus(results) == PGRES_COMMAND_OK);
ClearOrSaveResult(results);
termPQExpBuffer(&buf);
if (!OK)
goto cleanup;
if (pset.timing)
{
INSTR_TIME_SET_CURRENT(after);
INSTR_TIME_SUBTRACT(after, before);
*elapsed_msec += INSTR_TIME_GET_MILLISEC(after);
}
/*
* In \gset mode, we force the fetch count to be 2, so that we will throw
* the appropriate error if the query returns more than one row.
*/
if (pset.gset_prefix)
fetch_count = 2;
else
fetch_count = pset.fetch_count;
snprintf(fetch_cmd, sizeof(fetch_cmd),
"FETCH FORWARD %d FROM _psql_cursor",
fetch_count);
/* prepare to write output to \g argument, if any */
if (pset.gfname)
{
if (!openQueryOutputFile(pset.gfname, &fout, &is_pipe))
{
OK = false;
goto cleanup;
}
if (is_pipe)
disable_sigpipe_trap();
}
else
{
fout = pset.queryFout;
is_pipe = false; /* doesn't matter */
}
/* clear any pre-existing error indication on the output stream */
clearerr(fout);
for (;;)
{
if (pset.timing)
INSTR_TIME_SET_CURRENT(before);
/* get fetch_count tuples at a time */
results = PQexec(pset.db, fetch_cmd);
if (pset.timing)
{
INSTR_TIME_SET_CURRENT(after);
INSTR_TIME_SUBTRACT(after, before);
*elapsed_msec += INSTR_TIME_GET_MILLISEC(after);
}
if (PQresultStatus(results) != PGRES_TUPLES_OK)
{
/* shut down pager before printing error message */
if (is_pager)
{
ClosePager(fout);
is_pager = false;
}
OK = AcceptResult(results);
Assert(!OK);
ClearOrSaveResult(results);
break;
}
if (pset.gset_prefix)
{
/* StoreQueryTuple will complain if not exactly one row */
OK = StoreQueryTuple(results);
ClearOrSaveResult(results);
break;
}
/* Note we do not deal with \gexec or \crosstabview modes here */
ntuples = PQntuples(results);
if (ntuples < fetch_count)
{
/* this is the last result set, so allow footer decoration */
my_popt.topt.stop_table = true;
}
else if (fout == stdout && !is_pager)
{
/*
* If query requires multiple result sets, hack to ensure that
* only one pager instance is used for the whole mess
*/
fout = PageOutput(INT_MAX, &(my_popt.topt));
is_pager = true;
}
printQuery(results, &my_popt, fout, is_pager, pset.logfile);
ClearOrSaveResult(results);
/* after the first result set, disallow header decoration */
my_popt.topt.start_table = false;
my_popt.topt.prior_records += ntuples;
/*
* Make sure to flush the output stream, so intermediate results are
* visible to the client immediately. We check the results because if
* the pager dies/exits/etc, there's no sense throwing more data at
* it.
*/
flush_error = fflush(fout);
/*
* Check if we are at the end, if a cancel was pressed, or if there
* were any errors either trying to flush out the results, or more
* generally on the output stream at all. If we hit any errors
* writing things to the stream, we presume $PAGER has disappeared and
* stop bothering to pull down more data.
*/
if (ntuples < fetch_count || cancel_pressed || flush_error ||
ferror(fout))
break;
}
if (pset.gfname)
{
/* close \g argument file/pipe */
if (is_pipe)
{
pclose(fout);
restore_sigpipe_trap();
}
else
fclose(fout);
}
else if (is_pager)
{
/* close transient pager */
ClosePager(fout);
}
cleanup:
if (pset.timing)
INSTR_TIME_SET_CURRENT(before);
/*
* We try to close the cursor on either success or failure, but on failure
* ignore the result (it's probably just a bleat about being in an aborted
* transaction)
*/
results = PQexec(pset.db, "CLOSE _psql_cursor");
if (OK)
{
OK = AcceptResult(results) &&
(PQresultStatus(results) == PGRES_COMMAND_OK);
ClearOrSaveResult(results);
}
else
PQclear(results);
if (started_txn)
{
results = PQexec(pset.db, OK ? "COMMIT" : "ROLLBACK");
OK &= AcceptResult(results) &&
(PQresultStatus(results) == PGRES_COMMAND_OK);
ClearOrSaveResult(results);
}
if (pset.timing)
{
INSTR_TIME_SET_CURRENT(after);
INSTR_TIME_SUBTRACT(after, before);
*elapsed_msec += INSTR_TIME_GET_MILLISEC(after);
}
return OK;
}