/*------------------------------------------------------------------------- * * createdb * * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * * src/bin/scripts/createdb.c * *------------------------------------------------------------------------- */ #include "postgres_fe.h" #include "common.h" #include "common/logging.h" #include "fe_utils/option_utils.h" #include "fe_utils/string_utils.h" 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'}, {"owner", required_argument, NULL, 'O'}, {"tablespace", required_argument, NULL, 'D'}, {"template", required_argument, NULL, 'T'}, {"encoding", required_argument, NULL, 'E'}, {"strategy", required_argument, NULL, 'S'}, {"lc-collate", required_argument, NULL, 1}, {"lc-ctype", required_argument, NULL, 2}, {"locale", required_argument, NULL, 'l'}, {"maintenance-db", required_argument, NULL, 3}, {"locale-provider", required_argument, NULL, 4}, {"icu-locale", required_argument, NULL, 5}, {NULL, 0, NULL, 0} }; const char *progname; int optindex; int c; const char *dbname = NULL; const char *maintenance_db = NULL; char *comment = NULL; char *host = NULL; char *port = NULL; char *username = NULL; enum trivalue prompt_password = TRI_DEFAULT; ConnParams cparams; bool echo = false; char *owner = NULL; char *tablespace = NULL; char *template = NULL; char *encoding = NULL; char *strategy = NULL; char *lc_collate = NULL; char *lc_ctype = NULL; char *locale = NULL; char *locale_provider = NULL; char *icu_locale = NULL; PQExpBufferData sql; PGconn *conn; PGresult *result; pg_logging_init(argv[0]); progname = get_progname(argv[0]); set_pglocale_pgservice(argv[0], PG_TEXTDOMAIN("pgscripts")); handle_help_version_opts(argc, argv, "createdb", help); while ((c = getopt_long(argc, argv, "h:p:U:wWeO:D:T:E:l:S:", 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 'O': owner = pg_strdup(optarg); break; case 'D': tablespace = pg_strdup(optarg); break; case 'T': template = pg_strdup(optarg); break; case 'E': encoding = pg_strdup(optarg); break; case 'S': strategy = pg_strdup(optarg); break; case 1: lc_collate = pg_strdup(optarg); break; case 2: lc_ctype = pg_strdup(optarg); break; case 'l': locale = pg_strdup(optarg); break; case 3: maintenance_db = pg_strdup(optarg); break; case 4: locale_provider = pg_strdup(optarg); break; case 5: icu_locale = pg_strdup(optarg); break; default: /* getopt_long already emitted a complaint */ pg_log_error_hint("Try \"%s --help\" for more information.", progname); exit(1); } } switch (argc - optind) { case 0: break; case 1: dbname = argv[optind]; break; case 2: dbname = argv[optind]; comment = argv[optind + 1]; break; default: pg_log_error("too many command-line arguments (first is \"%s\")", argv[optind + 2]); pg_log_error_hint("Try \"%s --help\" for more information.", progname); exit(1); } if (locale) { if (!lc_ctype) lc_ctype = locale; if (!lc_collate) lc_collate = locale; } if (encoding) { if (pg_char_to_encoding(encoding) < 0) pg_fatal("\"%s\" is not a valid encoding name", encoding); } if (dbname == NULL) { if (getenv("PGDATABASE")) dbname = getenv("PGDATABASE"); else if (getenv("PGUSER")) dbname = getenv("PGUSER"); else dbname = get_user_name_or_exit(progname); } /* No point in trying to use postgres db when creating postgres db. */ if (maintenance_db == NULL && strcmp(dbname, "postgres") == 0) maintenance_db = "template1"; cparams.dbname = maintenance_db; cparams.pghost = host; cparams.pgport = port; cparams.pguser = username; cparams.prompt_password = prompt_password; cparams.override_dbname = NULL; conn = connectMaintenanceDatabase(&cparams, progname, echo); initPQExpBuffer(&sql); appendPQExpBuffer(&sql, "CREATE DATABASE %s", fmtId(dbname)); if (owner) appendPQExpBuffer(&sql, " OWNER %s", fmtId(owner)); if (tablespace) appendPQExpBuffer(&sql, " TABLESPACE %s", fmtId(tablespace)); if (encoding) { appendPQExpBufferStr(&sql, " ENCODING "); appendStringLiteralConn(&sql, encoding, conn); } if (strategy) appendPQExpBuffer(&sql, " STRATEGY %s", fmtId(strategy)); if (template) appendPQExpBuffer(&sql, " TEMPLATE %s", fmtId(template)); if (lc_collate) { appendPQExpBufferStr(&sql, " LC_COLLATE "); appendStringLiteralConn(&sql, lc_collate, conn); } if (lc_ctype) { appendPQExpBufferStr(&sql, " LC_CTYPE "); appendStringLiteralConn(&sql, lc_ctype, conn); } if (locale_provider) appendPQExpBuffer(&sql, " LOCALE_PROVIDER %s", fmtId(locale_provider)); if (icu_locale) { appendPQExpBufferStr(&sql, " ICU_LOCALE "); appendStringLiteralConn(&sql, icu_locale, conn); } appendPQExpBufferChar(&sql, ';'); if (echo) printf("%s\n", sql.data); result = PQexec(conn, sql.data); if (PQresultStatus(result) != PGRES_COMMAND_OK) { pg_log_error("database creation failed: %s", PQerrorMessage(conn)); PQfinish(conn); exit(1); } PQclear(result); if (comment) { printfPQExpBuffer(&sql, "COMMENT ON DATABASE %s IS ", fmtId(dbname)); appendStringLiteralConn(&sql, comment, conn); appendPQExpBufferChar(&sql, ';'); if (echo) printf("%s\n", sql.data); result = PQexec(conn, sql.data); if (PQresultStatus(result) != PGRES_COMMAND_OK) { pg_log_error("comment creation failed (database was created): %s", PQerrorMessage(conn)); PQfinish(conn); exit(1); } PQclear(result); } PQfinish(conn); exit(0); } static void help(const char *progname) { printf(_("%s creates a PostgreSQL database.\n\n"), progname); printf(_("Usage:\n")); printf(_(" %s [OPTION]... [DBNAME] [DESCRIPTION]\n"), progname); printf(_("\nOptions:\n")); printf(_(" -D, --tablespace=TABLESPACE default tablespace for the database\n")); printf(_(" -e, --echo show the commands being sent to the server\n")); printf(_(" -E, --encoding=ENCODING encoding for the database\n")); printf(_(" -l, --locale=LOCALE locale settings for the database\n")); printf(_(" --lc-collate=LOCALE LC_COLLATE setting for the database\n")); printf(_(" --lc-ctype=LOCALE LC_CTYPE setting for the database\n")); printf(_(" --icu-locale=LOCALE ICU locale setting for the database\n")); printf(_(" --locale-provider={libc|icu}\n" " locale provider for the database's default collation\n")); printf(_(" -O, --owner=OWNER database user to own the new database\n")); printf(_(" -S, --strategy=STRATEGY database creation strategy wal_log or file_copy\n")); printf(_(" -T, --template=TEMPLATE template database to copy\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(_("\nBy default, a database with the same name as the current user is created.\n")); printf(_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT); printf(_("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_URL); }