static void
vacuum_all_databases(bool full, bool verbose, bool and_analyze, bool analyze_only,
bool freeze, const char *maintenance_db,
const char *host, const char *port,
const char *username, enum trivalue prompt_password,
const char *progname, bool echo, bool quiet)
{
PGconn *conn;
PGresult *result;
int i;
conn = connectMaintenanceDatabase(maintenance_db, host, port,
username, prompt_password, progname);
result = executeQuery(conn, "SELECT datname FROM pg_database WHERE datallowconn ORDER BY 1;", progname, echo);
PQfinish(conn);
for (i = 0; i < PQntuples(result); i++)
{
char *dbname = PQgetvalue(result, i, 0);
if (!quiet)
{
printf(_("%s: vacuuming database \"%s\"\n"), progname, dbname);
fflush(stdout);
}
vacuum_one_database(dbname, full, verbose, and_analyze, analyze_only,
freeze, NULL, host, port, username, prompt_password,
progname, echo);
}
PQclear(result);
}
static void
vacuum_all_databases(bool full, bool verbose, bool and_analyze, bool analyze_only,
bool analyze_in_stages, bool freeze, const char *maintenance_db,
const char *host, const char *port,
const char *username, enum trivalue prompt_password,
const char *progname, bool echo, bool quiet)
{
PGconn *conn;
PGresult *result;
int stage;
conn = connectMaintenanceDatabase(maintenance_db, host, port,
username, prompt_password, progname);
result = executeQuery(conn, "SELECT datname FROM pg_database WHERE datallowconn ORDER BY 1;", progname, echo);
PQfinish(conn);
/* If analyzing in stages, then run through all stages. Otherwise just
* run once, passing -1 as the stage. */
for (stage = (analyze_in_stages ? 0 : -1);
stage < (analyze_in_stages ? 3 : 0);
stage++)
{
int i;
for (i = 0; i < PQntuples(result); i++)
{
char *dbname = PQgetvalue(result, i, 0);
if (!quiet)
{
printf(_("%s: vacuuming database \"%s\"\n"), progname, dbname);
fflush(stdout);
}
vacuum_one_database(dbname, full, verbose, and_analyze, analyze_only,
analyze_in_stages, stage,
freeze, NULL, host, port, username, prompt_password,
progname, echo, quiet);
}
}
PQclear(result);
}
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},
{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;
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);
}
/* 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);
}
/*
* Vacuum/analyze all connectable databases.
*
* In analyze-in-stages mode, we process all databases in one stage before
* moving on to the next stage. That ensure minimal stats are available
* quickly everywhere before generating more detailed ones.
*/
static void
vacuum_all_databases(vacuumingOptions *vacopts,
bool analyze_in_stages,
const char *maintenance_db, const char *host,
const char *port, const char *username,
enum trivalue prompt_password,
int concurrentCons,
const char *progname, bool echo, bool quiet)
{
PGconn *conn;
PGresult *result;
int stage;
int i;
conn = connectMaintenanceDatabase(maintenance_db, host, port,
username, prompt_password, progname);
result = executeQuery(conn,
"SELECT datname FROM pg_database WHERE datallowconn ORDER BY 1;",
progname, echo);
PQfinish(conn);
if (analyze_in_stages)
{
/*
* When analyzing all databases in stages, we analyze them all in the
* fastest stage first, so that initial statistics become available
* for all of them as soon as possible.
*
* This means we establish several times as many connections, but
* that's a secondary consideration.
*/
for (stage = 0; stage < ANALYZE_NUM_STAGES; stage++)
{
for (i = 0; i < PQntuples(result); i++)
{
const char *dbname;
dbname = PQgetvalue(result, i, 0);
vacuum_one_database(dbname, vacopts,
stage,
NULL,
host, port, username, prompt_password,
concurrentCons,
progname, echo, quiet);
}
}
}
else
{
for (i = 0; i < PQntuples(result); i++)
{
const char *dbname;
dbname = PQgetvalue(result, i, 0);
vacuum_one_database(dbname, vacopts,
ANALYZE_NO_STAGE,
NULL,
host, port, username, prompt_password,
concurrentCons,
progname, echo, quiet);
}
}
PQclear(result);
}
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'},
{"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 and_analyze = false;
bool analyze_only = false;
bool freeze = false;
bool alldb = false;
char *table = NULL;
bool full = false;
bool verbose = false;
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:fv", 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':
and_analyze = true;
break;
case 'Z':
analyze_only = true;
break;
case 'F':
freeze = true;
break;
case 'a':
alldb = true;
break;
case 't':
table = pg_strdup(optarg);
break;
case 'f':
full = true;
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);
}
if (analyze_only)
{
if (full)
{
fprintf(stderr, _("%s: cannot use the \"full\" option when performing only analyze\n"),
progname);
exit(1);
}
if (freeze)
{
fprintf(stderr, _("%s: cannot use the \"freeze\" option when performing only analyze\n"),
progname);
exit(1);
}
/* allow 'and_analyze' with 'analyze_only' */
}
setup_cancel_handler();
if (alldb)
{
if (dbname)
{
fprintf(stderr, _("%s: cannot vacuum all databases and a specific one at the same time\n"),
progname);
exit(1);
}
if (table)
{
fprintf(stderr, _("%s: cannot vacuum a specific table in all databases\n"),
progname);
exit(1);
}
vacuum_all_databases(full, verbose, and_analyze, analyze_only, freeze,
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(progname);
}
vacuum_one_database(dbname, full, verbose, and_analyze, analyze_only,
freeze, table,
host, port, username, prompt_password,
progname, echo);
}
exit(0);
}
