| /*------------------------------------------------------------------------- |
| * |
| * clusterdb |
| * |
| * Portions Copyright (c) 2002-2020, PostgreSQL Global Development Group |
| * |
| * src/bin/scripts/clusterdb.c |
| * |
| *------------------------------------------------------------------------- |
| */ |
| |
| #include "postgres_fe.h" |
| #include "common.h" |
| #include "common/logging.h" |
| #include "fe_utils/cancel.h" |
| #include "fe_utils/simple_list.h" |
| #include "fe_utils/string_utils.h" |
| |
| |
| static void cluster_one_database(const ConnParams *cparams, const char *table, |
| const char *progname, bool verbose, bool echo); |
| static void cluster_all_databases(ConnParams *cparams, const char *progname, |
| bool verbose, 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'}, |
| {"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; |
| ConnParams cparams; |
| bool echo = false; |
| bool quiet = false; |
| bool alldb = false; |
| bool verbose = false; |
| SimpleStringList tables = {NULL, NULL}; |
| |
| pg_logging_init(argv[0]); |
| 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) |
| { |
| pg_log_error("too many command-line arguments (first is \"%s\")", |
| argv[optind]); |
| fprintf(stderr, _("Try \"%s --help\" for more information.\n"), 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_log_error("cannot cluster all databases and a specific one at the same time"); |
| exit(1); |
| } |
| |
| if (tables.head != NULL) |
| { |
| pg_log_error("cannot cluster specific table(s) in all databases"); |
| exit(1); |
| } |
| |
| cparams.dbname = maintenance_db; |
| |
| cluster_all_databases(&cparams, progname, verbose, 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); |
| } |
| |
| cparams.dbname = dbname; |
| |
| if (tables.head != NULL) |
| { |
| SimpleStringListCell *cell; |
| |
| for (cell = tables.head; cell; cell = cell->next) |
| { |
| cluster_one_database(&cparams, cell->val, |
| progname, verbose, echo); |
| } |
| } |
| else |
| cluster_one_database(&cparams, NULL, |
| progname, verbose, echo); |
| } |
| |
| exit(0); |
| } |
| |
| |
| static void |
| cluster_one_database(const ConnParams *cparams, const char *table, |
| const char *progname, bool verbose, bool echo) |
| { |
| PQExpBufferData sql; |
| |
| PGconn *conn; |
| |
| conn = connectDatabase(cparams, progname, echo, false, false); |
| |
| initPQExpBuffer(&sql); |
| |
| appendPQExpBufferStr(&sql, "CLUSTER"); |
| if (verbose) |
| appendPQExpBufferStr(&sql, " VERBOSE"); |
| if (table) |
| { |
| appendPQExpBufferChar(&sql, ' '); |
| appendQualifiedRelation(&sql, table, conn, echo); |
| } |
| appendPQExpBufferChar(&sql, ';'); |
| |
| if (!executeMaintenanceCommand(conn, sql.data, echo)) |
| { |
| if (table) |
| pg_log_error("clustering of table \"%s\" in database \"%s\" failed: %s", |
| table, PQdb(conn), PQerrorMessage(conn)); |
| else |
| pg_log_error("clustering of database \"%s\" failed: %s", |
| PQdb(conn), PQerrorMessage(conn)); |
| PQfinish(conn); |
| exit(1); |
| } |
| PQfinish(conn); |
| termPQExpBuffer(&sql); |
| } |
| |
| |
| static void |
| cluster_all_databases(ConnParams *cparams, const char *progname, |
| bool verbose, bool echo, bool quiet) |
| { |
| PGconn *conn; |
| PGresult *result; |
| int i; |
| |
| conn = connectMaintenanceDatabase(cparams, progname, echo); |
| result = executeQuery(conn, "SELECT datname FROM pg_database WHERE datallowconn ORDER BY 1;", echo); |
| PQfinish(conn); |
| |
| for (i = 0; i < PQntuples(result); i++) |
| { |
| char *dbname = PQgetvalue(result, i, 0); |
| |
| if (!quiet) |
| { |
| printf(_("%s: clustering database \"%s\"\n"), progname, dbname); |
| fflush(stdout); |
| } |
| |
| cparams->override_dbname = dbname; |
| |
| cluster_one_database(cparams, NULL, progname, verbose, echo); |
| } |
| |
| PQclear(result); |
| } |
| |
| |
| static void |
| help(const char *progname) |
| { |
| printf(_("%s clusters all previously clustered tables in a database.\n\n"), progname); |
| printf(_("Usage:\n")); |
| printf(_(" %s [OPTION]... [DBNAME]\n"), progname); |
| printf(_("\nOptions:\n")); |
| printf(_(" -a, --all cluster all databases\n")); |
| printf(_(" -d, --dbname=DBNAME database to cluster\n")); |
| printf(_(" -e, --echo show the commands being sent to the server\n")); |
| printf(_(" -q, --quiet don't write any messages\n")); |
| printf(_(" -t, --table=TABLE cluster specific table(s) only\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 CLUSTER for details.\n")); |
| printf(_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT); |
| printf(_("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_URL); |
| } |