+ discussions of potential problems and error messages.
+ library will apply.
--- /dev/null
+/*-------------------------------------------------------------------------
+ *
+ * reindexdb
+ *
+ * Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
+ *
+ * $PostgreSQL: pgsql/src/bin/scripts/reindexdb.c,v 1.1 2005/07/29 15:13:11 momjian Exp $
+ *
+ *-------------------------------------------------------------------------
+ */
+
+#include "postgres_fe.h"
+#include "common.h"
+#include "dumputils.h"
+
+
+static void reindex_one_database(const char *name, const char *dbname,
+ const char *type, const char *host,
+ const char *port, const char *username,
+ bool password, const char *progname,
+ bool echo, bool quiet);
+static void reindex_all_databases(const char *host, const char *port,
+ const char *username, bool password,
+ const char *progname, bool echo,
+ bool quiet);
+static void reindex_system_catalogs(const char *dbname,
+ const char *host, const char *port,
+ const char *username, bool password,
+ const char *progname, bool echo,
+ bool quiet);
+static void help(const char *progname);
+
+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'},
+ {"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'},
+ {"system", no_argument, NULL, 's'},
+ {"table", required_argument, NULL, 't'},
+ {"index", required_argument, NULL, 'i'},
+ {NULL, 0, NULL, 0}
+ };
+
+ const char *progname;
+ int optindex;
+ int c;
+
+ const char *dbname = NULL;
+ const char *host = NULL;
+ const char *port = NULL;
+ const char *username = NULL;
+ bool password = false;
+ bool syscatalog = false;
+ bool alldb = false;
+ bool echo = false;
+ bool quiet = false;
+ const char *table = NULL;
+ const char *index = NULL;
+
+ progname = get_progname(argv[0]);
+ set_pglocale_pgservice(argv[0], "pgscripts");
+
+ handle_help_version_opts(argc, argv, "reindexdb", help);
+
+ /* process command-line options */
+ while ((c = getopt_long(argc, argv, "h:p:U:Weqd:ast:i:", long_options, &optindex)) != -1)
+ {
+ switch (c)
+ {
+ case 'h':
+ host = optarg;
+ break;
+ case 'p':
+ port = optarg;
+ break;
+ case 'U':
+ username = optarg;
+ break;
+ case 'W':
+ password = true;
+ break;
+ case 'e':
+ echo = true;
+ break;
+ case 'q':
+ quiet = true;
+ break;
+ case 'd':
+ dbname = optarg;
+ break;
+ case 'a':
+ alldb = true;
+ break;
+ case 's':
+ syscatalog = true;
+ break;
+ case 't':
+ table = optarg;
+ break;
+ case 'i':
+ index = optarg;
+ break;
+ default:
+ fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname);
+ exit(1);
+ }
+ }
+
+ switch (argc - optind)
+ {
+ case 0:
+ break;
+ case 1:
+ dbname = 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 (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 (table)
+ {
+ fprintf(stderr, _("%s: cannot reindex a specific table in all databases\n"), progname);
+ exit(1);
+ }
+ if (index)
+ {
+ fprintf(stderr, _("%s: cannot reindex a specific index in all databases\n"), progname);
+ exit(1);
+ }
+
+ reindex_all_databases(host, port, username, password,
+ progname, echo, quiet);
+ }
+ else if (syscatalog)
+ {
+ if (table)
+ {
+ fprintf(stderr, _("%s: cannot reindex a specific table and system catalogs at the same time\n"), progname);
+ exit(1);
+ }
+ if (index)
+ {
+ fprintf(stderr, _("%s: cannot reindex a specific index 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(progname);
+ }
+
+ reindex_system_catalogs(dbname, host, port, username, 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);
+ }
+
+ if (index)
+ reindex_one_database(index, dbname, "INDEX", host, port,
+ username, password, progname, echo, quiet);
+ if (table)
+ reindex_one_database(table, dbname, "TABLE", host, port,
+ username, password, progname, echo, quiet);
+ /* reindex database only if index or table is not specified */
+ if (index == NULL && table == NULL)
+ reindex_one_database(dbname, dbname, "DATABASE", host, port,
+ username, password, progname, echo, quiet);
+ }
+
+ exit(0);
+}
+
+static void
+reindex_one_database(const char *name, const char *dbname, const char *type,
+ const char *host, const char *port, const char *username,
+ bool password, const char *progname, bool echo,
+ bool quiet)
+{
+ PQExpBufferData sql;
+
+ PGconn *conn;
+ PGresult *result;
+
+ initPQExpBuffer(&sql);
+
+ appendPQExpBuffer(&sql, "REINDEX");
+ if (strcmp(type, "TABLE") == 0)
+ appendPQExpBuffer(&sql, " TABLE %s", fmtId(name));
+ else if (strcmp(type, "INDEX") == 0)
+ appendPQExpBuffer(&sql, " INDEX %s", fmtId(name));
+ else if (strcmp(type, "DATABASE") == 0)
+ appendPQExpBuffer(&sql, " DATABASE %s", fmtId(name));
+ appendPQExpBuffer(&sql, ";\n");
+
+ conn = connectDatabase(dbname, host, port, username, password, progname);
+
+ if (echo)
+ printf("%s", sql.data);
+ result = PQexec(conn, sql.data);
+
+ if (PQresultStatus(result) != PGRES_COMMAND_OK)
+ {
+ if (strcmp(type, "TABLE") == 0)
+ fprintf(stderr, _("%s: reindexing of table \"%s\" in database \"%s\" failed: %s"),
+ progname, name, dbname, PQerrorMessage(conn));
+ if (strcmp(type, "INDEX") == 0)
+ fprintf(stderr, _("%s: reindexing of index \"%s\" in database \"%s\" failed: %s"),
+ progname, name, dbname, PQerrorMessage(conn));
+ else
+ fprintf(stderr, _("%s: reindexing of database \"%s\" failed: %s"),
+ progname, dbname, PQerrorMessage(conn));
+ PQfinish(conn);
+ exit(1);
+ }
+
+ PQclear(result);
+ PQfinish(conn);
+ termPQExpBuffer(&sql);
+
+ if (!quiet)
+ {
+ puts("REINDEX");
+ fflush(stdout);
+ }
+}
+
+static void
+reindex_all_databases(const char *host, const char *port,
+ const char *username, bool password,
+ const char *progname, bool echo, bool quiet)
+{
+ PGconn *conn;
+ PGresult *result;
+ int i;
+
+ conn = connectDatabase("postgres", host, port, username, password, progname);
+ result = executeQuery(conn, "SELECT datname FROM pg_database WHERE datallowconn;", progname, echo);
+ PQfinish(conn);
+
+ for (i = 0; i < PQntuples(result); i++)
+ {
+ char *dbname = PQgetvalue(result, i, 0);
+
+ if (!quiet)
+ fprintf(stderr, _("%s: reindexing database \"%s\"\n"), progname, dbname);
+
+ reindex_one_database(dbname, dbname, "DATABASE", host, port, username,
+ password, progname, echo, quiet);
+ }
+
+ PQclear(result);
+}
+
+static void
+reindex_system_catalogs(const char *dbname, const char *host, const char *port,
+ const char *username, bool password,
+ const char *progname, bool echo, bool quiet)
+{
+ PQExpBufferData sql;
+
+ PGconn *conn;
+ PGresult *result;
+
+ initPQExpBuffer(&sql);
+
+ appendPQExpBuffer(&sql, "REINDEX SYSTEM %s;\n", dbname);
+
+ conn = connectDatabase(dbname, host, port, username, password, progname);
+
+ if (echo)
+ printf("%s", sql.data);
+ result = PQexec(conn, sql.data);
+
+ if (PQresultStatus(result) != PGRES_COMMAND_OK)
+ {
+ fprintf(stderr, _("%s: reindexing of system catalogs failed: %s"),
+ progname, PQerrorMessage(conn));
+ PQfinish(conn);
+ exit(1);
+ }
+
+ PQclear(result);
+ PQfinish(conn);
+ termPQExpBuffer(&sql);
+
+ if (!quiet)
+ {
+ puts("REINDEX");
+ fflush(stdout);
+ }
+}
+
+static void
+help(const char *progname)
+{
+ printf(_("%s reindexes a PostgreSQL database.\n\n"), progname);
+ printf(_("Usage:\n"));
+ printf(_(" %s [OPTION]... [DBNAME]\n"), progname);
+ printf(_("\nOptions:\n"));
+ printf(_(" -a, --all reindex all databases\n"));
+ printf(_(" -s, --system reindex system catalogs\n"));
+ printf(_(" -d, --dbname=DBNAME database to reindex\n"));
+ printf(_(" -t, --table=TABLE reindex specific table only\n"));
+ printf(_(" -i, --index=INDEX recreate specific index only\n"));
+ printf(_(" -e, --echo show the commands sent to the server\n"));
+ printf(_(" -q, --quiet don't write any output\n"));
+ printf(_(" --help show this help, then exit\n"));
+ printf(_(" --version output version information, then exit\n"));
+ printf(_("\nConnection options:\n"));
+ printf(_(" -h, --host=HOSTNAME database server host or socket direcotry\n"));
+ printf(_(" -p, --port=PORT database server port\n"));
+ printf(_(" -U, --username=NAME user name to connect as\n"));
+ printf(_(" -W, --password prompt for password\n"));
+ printf(_("\nRead the description of the SQL command REINDEX for details.\n"));
+ printf(_("\nReport bugs to
.\n"));
+}