summaryrefslogtreecommitdiffstats
path: root/src/bin/scripts/reindexdb.c
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 12:17:33 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 12:17:33 +0000
commit5e45211a64149b3c659b90ff2de6fa982a5a93ed (patch)
tree739caf8c461053357daa9f162bef34516c7bf452 /src/bin/scripts/reindexdb.c
parentInitial commit. (diff)
downloadpostgresql-15-5e45211a64149b3c659b90ff2de6fa982a5a93ed.tar.xz
postgresql-15-5e45211a64149b3c659b90ff2de6fa982a5a93ed.zip
Adding upstream version 15.5.upstream/15.5
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/bin/scripts/reindexdb.c')
-rw-r--r--src/bin/scripts/reindexdb.c789
1 files changed, 789 insertions, 0 deletions
diff --git a/src/bin/scripts/reindexdb.c b/src/bin/scripts/reindexdb.c
new file mode 100644
index 0000000..fc2ad9d
--- /dev/null
+++ b/src/bin/scripts/reindexdb.c
@@ -0,0 +1,789 @@
+/*-------------------------------------------------------------------------
+ *
+ * reindexdb
+ *
+ * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
+ *
+ * src/bin/scripts/reindexdb.c
+ *
+ *-------------------------------------------------------------------------
+ */
+
+#include "postgres_fe.h"
+
+#include <limits.h>
+
+#include "catalog/pg_class_d.h"
+#include "common.h"
+#include "common/connect.h"
+#include "common/logging.h"
+#include "fe_utils/cancel.h"
+#include "fe_utils/option_utils.h"
+#include "fe_utils/parallel_slot.h"
+#include "fe_utils/query_utils.h"
+#include "fe_utils/simple_list.h"
+#include "fe_utils/string_utils.h"
+
+typedef enum ReindexType
+{
+ REINDEX_DATABASE,
+ REINDEX_INDEX,
+ REINDEX_SCHEMA,
+ REINDEX_SYSTEM,
+ REINDEX_TABLE
+} ReindexType;
+
+
+static SimpleStringList *get_parallel_object_list(PGconn *conn,
+ ReindexType type,
+ SimpleStringList *user_list,
+ bool echo);
+static void reindex_one_database(ConnParams *cparams, ReindexType type,
+ SimpleStringList *user_list,
+ const char *progname,
+ bool echo, bool verbose, bool concurrently,
+ int concurrentCons, const char *tablespace);
+static void reindex_all_databases(ConnParams *cparams,
+ const char *progname, bool echo,
+ bool quiet, bool verbose, bool concurrently,
+ int concurrentCons, const char *tablespace);
+static void run_reindex_command(PGconn *conn, ReindexType type,
+ const char *name, bool echo, bool verbose,
+ bool concurrently, bool async,
+ const char *tablespace);
+
+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'},
+ {"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'},
+ {"jobs", required_argument, NULL, 'j'},
+ {"verbose", no_argument, NULL, 'v'},
+ {"concurrently", no_argument, NULL, 1},
+ {"maintenance-db", required_argument, NULL, 2},
+ {"tablespace", required_argument, NULL, 3},
+ {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;
+ const char *tablespace = NULL;
+ enum trivalue prompt_password = TRI_DEFAULT;
+ ConnParams cparams;
+ bool syscatalog = false;
+ bool alldb = false;
+ bool echo = false;
+ bool quiet = false;
+ bool verbose = false;
+ bool concurrently = false;
+ SimpleStringList indexes = {NULL, NULL};
+ SimpleStringList tables = {NULL, NULL};
+ SimpleStringList schemas = {NULL, NULL};
+ int concurrentCons = 1;
+
+ pg_logging_init(argv[0]);
+ 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:j: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 'j':
+ if (!option_parse_int(optarg, "-j/--jobs", 1, INT_MAX,
+ &concurrentCons))
+ exit(1);
+ break;
+ case 'v':
+ verbose = true;
+ break;
+ case 1:
+ concurrently = true;
+ break;
+ case 2:
+ maintenance_db = pg_strdup(optarg);
+ break;
+ case 3:
+ tablespace = pg_strdup(optarg);
+ break;
+ default:
+ /* getopt_long already emitted a complaint */
+ pg_log_error_hint("Try \"%s --help\" for more information.", 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)
+ {
+ pg_log_error("too many command-line arguments (first is \"%s\")",
+ argv[optind]);
+ pg_log_error_hint("Try \"%s --help\" for more information.", progname);
+ exit(1);
+ }
+
+ /* fill cparams except for dbname, which is set below */
+ cparams.pghost = host;
+ cparams.pgport = port;
+ cparams.pguser = username;
+ cparams.prompt_password = prompt_password;
+ cparams.override_dbname = NULL;
+
+ setup_cancel_handler(NULL);
+
+ if (alldb)
+ {
+ if (dbname)
+ pg_fatal("cannot reindex all databases and a specific one at the same time");
+ if (syscatalog)
+ pg_fatal("cannot reindex all databases and system catalogs at the same time");
+ if (schemas.head != NULL)
+ pg_fatal("cannot reindex specific schema(s) in all databases");
+ if (tables.head != NULL)
+ pg_fatal("cannot reindex specific table(s) in all databases");
+ if (indexes.head != NULL)
+ pg_fatal("cannot reindex specific index(es) in all databases");
+
+ cparams.dbname = maintenance_db;
+
+ reindex_all_databases(&cparams, progname, echo, quiet, verbose,
+ concurrently, concurrentCons, tablespace);
+ }
+ else if (syscatalog)
+ {
+ if (schemas.head != NULL)
+ pg_fatal("cannot reindex specific schema(s) and system catalogs at the same time");
+ if (tables.head != NULL)
+ pg_fatal("cannot reindex specific table(s) and system catalogs at the same time");
+ if (indexes.head != NULL)
+ pg_fatal("cannot reindex specific index(es) and system catalogs at the same time");
+
+ if (concurrentCons > 1)
+ pg_fatal("cannot use multiple jobs to reindex system catalogs");
+
+ if (dbname == NULL)
+ {
+ if (getenv("PGDATABASE"))
+ dbname = getenv("PGDATABASE");
+ else if (getenv("PGUSER"))
+ dbname = getenv("PGUSER");
+ else
+ dbname = get_user_name_or_exit(progname);
+ }
+
+ cparams.dbname = dbname;
+
+ reindex_one_database(&cparams, REINDEX_SYSTEM, NULL,
+ progname, echo, verbose,
+ concurrently, 1, tablespace);
+ }
+ else
+ {
+ /*
+ * Index-level REINDEX is not supported with multiple jobs as we
+ * cannot control the concurrent processing of multiple indexes
+ * depending on the same relation.
+ */
+ if (concurrentCons > 1 && indexes.head != NULL)
+ pg_fatal("cannot use multiple jobs to reindex indexes");
+
+ if (dbname == NULL)
+ {
+ if (getenv("PGDATABASE"))
+ dbname = getenv("PGDATABASE");
+ else if (getenv("PGUSER"))
+ dbname = getenv("PGUSER");
+ else
+ dbname = get_user_name_or_exit(progname);
+ }
+
+ cparams.dbname = dbname;
+
+ if (schemas.head != NULL)
+ reindex_one_database(&cparams, REINDEX_SCHEMA, &schemas,
+ progname, echo, verbose,
+ concurrently, concurrentCons, tablespace);
+
+ if (indexes.head != NULL)
+ reindex_one_database(&cparams, REINDEX_INDEX, &indexes,
+ progname, echo, verbose,
+ concurrently, 1, tablespace);
+
+ if (tables.head != NULL)
+ reindex_one_database(&cparams, REINDEX_TABLE, &tables,
+ progname, echo, verbose,
+ concurrently, concurrentCons, tablespace);
+
+ /*
+ * 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(&cparams, REINDEX_DATABASE, NULL,
+ progname, echo, verbose,
+ concurrently, concurrentCons, tablespace);
+ }
+
+ exit(0);
+}
+
+static void
+reindex_one_database(ConnParams *cparams, ReindexType type,
+ SimpleStringList *user_list,
+ const char *progname, bool echo,
+ bool verbose, bool concurrently, int concurrentCons,
+ const char *tablespace)
+{
+ PGconn *conn;
+ SimpleStringListCell *cell;
+ bool parallel = concurrentCons > 1;
+ SimpleStringList *process_list = user_list;
+ ReindexType process_type = type;
+ ParallelSlotArray *sa;
+ bool failed = false;
+ int items_count = 0;
+
+ conn = connectDatabase(cparams, progname, echo, false, false);
+
+ if (concurrently && PQserverVersion(conn) < 120000)
+ {
+ PQfinish(conn);
+ pg_fatal("cannot use the \"%s\" option on server versions older than PostgreSQL %s",
+ "concurrently", "12");
+ }
+
+ if (tablespace && PQserverVersion(conn) < 140000)
+ {
+ PQfinish(conn);
+ pg_fatal("cannot use the \"%s\" option on server versions older than PostgreSQL %s",
+ "tablespace", "14");
+ }
+
+ if (!parallel)
+ {
+ switch (process_type)
+ {
+ case REINDEX_DATABASE:
+ case REINDEX_SYSTEM:
+
+ /*
+ * Database and system reindexes only need to work on the
+ * database itself, so build a list with a single entry.
+ */
+ Assert(user_list == NULL);
+ process_list = pg_malloc0(sizeof(SimpleStringList));
+ simple_string_list_append(process_list, PQdb(conn));
+ break;
+
+ case REINDEX_INDEX:
+ case REINDEX_SCHEMA:
+ case REINDEX_TABLE:
+ Assert(user_list != NULL);
+ break;
+ }
+ }
+ else
+ {
+ switch (process_type)
+ {
+ case REINDEX_DATABASE:
+
+ /*
+ * Database-wide parallel reindex requires special processing.
+ * If multiple jobs were asked, we have to reindex system
+ * catalogs first as they cannot be processed in parallel.
+ */
+ if (concurrently)
+ pg_log_warning("cannot reindex system catalogs concurrently, skipping all");
+ else
+ run_reindex_command(conn, REINDEX_SYSTEM, PQdb(conn), echo,
+ verbose, concurrently, false,
+ tablespace);
+
+ /* Build a list of relations from the database */
+ process_list = get_parallel_object_list(conn, process_type,
+ user_list, echo);
+ process_type = REINDEX_TABLE;
+
+ /* Bail out if nothing to process */
+ if (process_list == NULL)
+ return;
+ break;
+
+ case REINDEX_SCHEMA:
+ Assert(user_list != NULL);
+
+ /* Build a list of relations from all the schemas */
+ process_list = get_parallel_object_list(conn, process_type,
+ user_list, echo);
+ process_type = REINDEX_TABLE;
+
+ /* Bail out if nothing to process */
+ if (process_list == NULL)
+ return;
+ break;
+
+ case REINDEX_SYSTEM:
+ case REINDEX_INDEX:
+ /* not supported */
+ Assert(false);
+ break;
+
+ case REINDEX_TABLE:
+
+ /*
+ * Fall through. The list of items for tables is already
+ * created.
+ */
+ break;
+ }
+ }
+
+ /*
+ * Adjust the number of concurrent connections depending on the items in
+ * the list. We choose the minimum between the number of concurrent
+ * connections and the number of items in the list.
+ */
+ for (cell = process_list->head; cell; cell = cell->next)
+ {
+ items_count++;
+
+ /* no need to continue if there are more elements than jobs */
+ if (items_count >= concurrentCons)
+ break;
+ }
+ concurrentCons = Min(concurrentCons, items_count);
+ Assert(concurrentCons > 0);
+
+ Assert(process_list != NULL);
+
+ sa = ParallelSlotsSetup(concurrentCons, cparams, progname, echo, NULL);
+ ParallelSlotsAdoptConn(sa, conn);
+
+ cell = process_list->head;
+ do
+ {
+ const char *objname = cell->val;
+ ParallelSlot *free_slot = NULL;
+
+ if (CancelRequested)
+ {
+ failed = true;
+ goto finish;
+ }
+
+ free_slot = ParallelSlotsGetIdle(sa, NULL);
+ if (!free_slot)
+ {
+ failed = true;
+ goto finish;
+ }
+
+ ParallelSlotSetHandler(free_slot, TableCommandResultHandler, NULL);
+ run_reindex_command(free_slot->connection, process_type, objname,
+ echo, verbose, concurrently, true, tablespace);
+
+ cell = cell->next;
+ } while (cell != NULL);
+
+ if (!ParallelSlotsWaitCompletion(sa))
+ failed = true;
+
+finish:
+ if (process_list != user_list)
+ {
+ simple_string_list_destroy(process_list);
+ pg_free(process_list);
+ }
+
+ ParallelSlotsTerminate(sa);
+ pfree(sa);
+
+ if (failed)
+ exit(1);
+}
+
+static void
+run_reindex_command(PGconn *conn, ReindexType type, const char *name,
+ bool echo, bool verbose, bool concurrently, bool async,
+ const char *tablespace)
+{
+ const char *paren = "(";
+ const char *comma = ", ";
+ const char *sep = paren;
+ PQExpBufferData sql;
+ bool status;
+
+ Assert(name);
+
+ /* build the REINDEX query */
+ initPQExpBuffer(&sql);
+
+ appendPQExpBufferStr(&sql, "REINDEX ");
+
+ if (verbose)
+ {
+ appendPQExpBuffer(&sql, "%sVERBOSE", sep);
+ sep = comma;
+ }
+
+ if (tablespace)
+ {
+ appendPQExpBuffer(&sql, "%sTABLESPACE %s", sep, fmtId(tablespace));
+ sep = comma;
+ }
+
+ if (sep != paren)
+ appendPQExpBufferStr(&sql, ") ");
+
+ /* object type */
+ switch (type)
+ {
+ case REINDEX_DATABASE:
+ appendPQExpBufferStr(&sql, "DATABASE ");
+ break;
+ case REINDEX_INDEX:
+ appendPQExpBufferStr(&sql, "INDEX ");
+ break;
+ case REINDEX_SCHEMA:
+ appendPQExpBufferStr(&sql, "SCHEMA ");
+ break;
+ case REINDEX_SYSTEM:
+ appendPQExpBufferStr(&sql, "SYSTEM ");
+ break;
+ case REINDEX_TABLE:
+ appendPQExpBufferStr(&sql, "TABLE ");
+ break;
+ }
+
+ /*
+ * Parenthesized grammar is only supported for CONCURRENTLY since
+ * PostgreSQL 14. Since 12, CONCURRENTLY can be specified after the
+ * object type.
+ */
+ if (concurrently)
+ appendPQExpBufferStr(&sql, "CONCURRENTLY ");
+
+ /* object name */
+ switch (type)
+ {
+ case REINDEX_DATABASE:
+ case REINDEX_SYSTEM:
+ appendPQExpBufferStr(&sql, fmtId(name));
+ break;
+ case REINDEX_INDEX:
+ case REINDEX_TABLE:
+ appendQualifiedRelation(&sql, name, conn, echo);
+ break;
+ case REINDEX_SCHEMA:
+ appendPQExpBufferStr(&sql, name);
+ break;
+ }
+
+ /* finish the query */
+ appendPQExpBufferChar(&sql, ';');
+
+ if (async)
+ {
+ if (echo)
+ printf("%s\n", sql.data);
+
+ status = PQsendQuery(conn, sql.data) == 1;
+ }
+ else
+ status = executeMaintenanceCommand(conn, sql.data, echo);
+
+ if (!status)
+ {
+ switch (type)
+ {
+ case REINDEX_DATABASE:
+ pg_log_error("reindexing of database \"%s\" failed: %s",
+ PQdb(conn), PQerrorMessage(conn));
+ break;
+ case REINDEX_INDEX:
+ pg_log_error("reindexing of index \"%s\" in database \"%s\" failed: %s",
+ name, PQdb(conn), PQerrorMessage(conn));
+ break;
+ case REINDEX_SCHEMA:
+ pg_log_error("reindexing of schema \"%s\" in database \"%s\" failed: %s",
+ name, PQdb(conn), PQerrorMessage(conn));
+ break;
+ case REINDEX_SYSTEM:
+ pg_log_error("reindexing of system catalogs in database \"%s\" failed: %s",
+ PQdb(conn), PQerrorMessage(conn));
+ break;
+ case REINDEX_TABLE:
+ pg_log_error("reindexing of table \"%s\" in database \"%s\" failed: %s",
+ name, PQdb(conn), PQerrorMessage(conn));
+ break;
+ }
+ if (!async)
+ {
+ PQfinish(conn);
+ exit(1);
+ }
+ }
+
+ termPQExpBuffer(&sql);
+}
+
+/*
+ * Prepare the list of objects to process by querying the catalogs.
+ *
+ * This function will return a SimpleStringList object containing the entire
+ * list of tables in the given database that should be processed by a parallel
+ * database-wide reindex (excluding system tables), or NULL if there's no such
+ * table.
+ */
+static SimpleStringList *
+get_parallel_object_list(PGconn *conn, ReindexType type,
+ SimpleStringList *user_list, bool echo)
+{
+ PQExpBufferData catalog_query;
+ PQExpBufferData buf;
+ PGresult *res;
+ SimpleStringList *tables;
+ int ntups,
+ i;
+
+ initPQExpBuffer(&catalog_query);
+
+ /*
+ * The queries here are using a safe search_path, so there's no need to
+ * fully qualify everything.
+ */
+ switch (type)
+ {
+ case REINDEX_DATABASE:
+ Assert(user_list == NULL);
+ appendPQExpBufferStr(&catalog_query,
+ "SELECT c.relname, ns.nspname\n"
+ " FROM pg_catalog.pg_class c\n"
+ " JOIN pg_catalog.pg_namespace ns"
+ " ON c.relnamespace = ns.oid\n"
+ " WHERE ns.nspname != 'pg_catalog'\n"
+ " AND c.relkind IN ("
+ CppAsString2(RELKIND_RELATION) ", "
+ CppAsString2(RELKIND_MATVIEW) ")\n"
+ " ORDER BY c.relpages DESC;");
+ break;
+
+ case REINDEX_SCHEMA:
+ {
+ SimpleStringListCell *cell;
+ bool nsp_listed = false;
+
+ Assert(user_list != NULL);
+
+ /*
+ * All the tables from all the listed schemas are grabbed at
+ * once.
+ */
+ appendPQExpBufferStr(&catalog_query,
+ "SELECT c.relname, ns.nspname\n"
+ " FROM pg_catalog.pg_class c\n"
+ " JOIN pg_catalog.pg_namespace ns"
+ " ON c.relnamespace = ns.oid\n"
+ " WHERE c.relkind IN ("
+ CppAsString2(RELKIND_RELATION) ", "
+ CppAsString2(RELKIND_MATVIEW) ")\n"
+ " AND ns.nspname IN (");
+
+ for (cell = user_list->head; cell; cell = cell->next)
+ {
+ const char *nspname = cell->val;
+
+ if (nsp_listed)
+ appendPQExpBufferStr(&catalog_query, ", ");
+ else
+ nsp_listed = true;
+
+ appendStringLiteralConn(&catalog_query, nspname, conn);
+ }
+
+ appendPQExpBufferStr(&catalog_query, ")\n"
+ " ORDER BY c.relpages DESC;");
+ }
+ break;
+
+ case REINDEX_SYSTEM:
+ case REINDEX_INDEX:
+ case REINDEX_TABLE:
+ Assert(false);
+ break;
+ }
+
+ res = executeQuery(conn, catalog_query.data, echo);
+ termPQExpBuffer(&catalog_query);
+
+ /*
+ * If no rows are returned, there are no matching tables, so we are done.
+ */
+ ntups = PQntuples(res);
+ if (ntups == 0)
+ {
+ PQclear(res);
+ PQfinish(conn);
+ return NULL;
+ }
+
+ tables = pg_malloc0(sizeof(SimpleStringList));
+
+ /* Build qualified identifiers for each table */
+ initPQExpBuffer(&buf);
+ for (i = 0; i < ntups; i++)
+ {
+ appendPQExpBufferStr(&buf,
+ fmtQualifiedId(PQgetvalue(res, i, 1),
+ PQgetvalue(res, i, 0)));
+
+ simple_string_list_append(tables, buf.data);
+ resetPQExpBuffer(&buf);
+ }
+ termPQExpBuffer(&buf);
+ PQclear(res);
+
+ return tables;
+}
+
+static void
+reindex_all_databases(ConnParams *cparams,
+ const char *progname, bool echo, bool quiet, bool verbose,
+ bool concurrently, int concurrentCons,
+ const char *tablespace)
+{
+ PGconn *conn;
+ PGresult *result;
+ int i;
+
+ conn = connectMaintenanceDatabase(cparams, progname, echo);
+ result = executeQuery(conn,
+ "SELECT datname FROM pg_database WHERE datallowconn AND datconnlimit <> -2 ORDER BY 1;",
+ echo);
+ PQfinish(conn);
+
+ for (i = 0; i < PQntuples(result); i++)
+ {
+ char *dbname = PQgetvalue(result, i, 0);
+
+ if (!quiet)
+ {
+ printf(_("%s: reindexing database \"%s\"\n"), progname, dbname);
+ fflush(stdout);
+ }
+
+ cparams->override_dbname = dbname;
+
+ reindex_one_database(cparams, REINDEX_DATABASE, NULL,
+ progname, echo, verbose, concurrently,
+ concurrentCons, tablespace);
+ }
+
+ PQclear(result);
+}
+
+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(_(" --concurrently reindex concurrently\n"));
+ printf(_(" -d, --dbname=DBNAME database to reindex\n"));
+ printf(_(" -e, --echo show the commands being sent to the server\n"));
+ printf(_(" -i, --index=INDEX recreate specific index(es) only\n"));
+ printf(_(" -j, --jobs=NUM use this many concurrent connections to reindex\n"));
+ printf(_(" -q, --quiet don't write any messages\n"));
+ printf(_(" -s, --system reindex system catalogs only\n"));
+ printf(_(" -S, --schema=SCHEMA reindex specific schema(s) only\n"));
+ printf(_(" -t, --table=TABLE reindex specific table(s) only\n"));
+ printf(_(" --tablespace=TABLESPACE tablespace where indexes are rebuilt\n"));
+ printf(_(" -v, --verbose write a lot of output\n"));
+ printf(_(" -V, --version output version information, then exit\n"));
+ printf(_(" -?, --help show this help, then exit\n"));
+ printf(_("\nConnection options:\n"));
+ printf(_(" -h, --host=HOSTNAME database server host or socket directory\n"));
+ printf(_(" -p, --port=PORT database server port\n"));
+ printf(_(" -U, --username=USERNAME user name to connect as\n"));
+ printf(_(" -w, --no-password never prompt for password\n"));
+ printf(_(" -W, --password force password prompt\n"));
+ printf(_(" --maintenance-db=DBNAME alternate maintenance database\n"));
+ printf(_("\nRead the description of the SQL command REINDEX for details.\n"));
+ printf(_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT);
+ printf(_("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_URL);
+}