/src/bin/scripts/createdb.c
C | 274 lines | 229 code | 33 blank | 12 comment | 31 complexity | 2645f3a8119a8a0d4e4e8dbc59eb91dd MD5 | raw file
Possible License(s): AGPL-3.0
- /*-------------------------------------------------------------------------
- *
- * createdb
- *
- * Portions Copyright (c) 1996-2014, 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 "dumputils.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'},
- {"lc-collate", required_argument, NULL, 1},
- {"lc-ctype", required_argument, NULL, 2},
- {"locale", required_argument, NULL, 'l'},
- {"maintenance-db", required_argument, NULL, 3},
- {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;
- bool echo = false;
- char *owner = NULL;
- char *tablespace = NULL;
- char *template = NULL;
- char *encoding = NULL;
- char *lc_collate = NULL;
- char *lc_ctype = NULL;
- char *locale = NULL;
- PQExpBufferData sql;
- PGconn *conn;
- PGresult *result;
- 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:", 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 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;
- 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;
- case 2:
- dbname = argv[optind];
- comment = argv[optind + 1];
- break;
- default:
- fprintf(stderr, _("%s: too many command-line arguments (first is \"%s\")\n"),
- progname, argv[optind + 2]);
- fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname);
- exit(1);
- }
- if (locale)
- {
- if (lc_ctype)
- {
- fprintf(stderr, _("%s: only one of --locale and --lc-ctype can be specified\n"),
- progname);
- exit(1);
- }
- if (lc_collate)
- {
- fprintf(stderr, _("%s: only one of --locale and --lc-collate can be specified\n"),
- progname);
- exit(1);
- }
- lc_ctype = locale;
- lc_collate = locale;
- }
- if (encoding)
- {
- if (pg_char_to_encoding(encoding) < 0)
- {
- fprintf(stderr, _("%s: \"%s\" is not a valid encoding name\n"),
- progname, encoding);
- exit(1);
- }
- }
- if (dbname == NULL)
- {
- if (getenv("PGDATABASE"))
- dbname = getenv("PGDATABASE");
- else if (getenv("PGUSER"))
- dbname = getenv("PGUSER");
- else
- dbname = get_user_name_or_exit(progname);
- }
- 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)
- appendPQExpBuffer(&sql, " ENCODING '%s'", encoding);
- if (template)
- appendPQExpBuffer(&sql, " TEMPLATE %s", fmtId(template));
- if (lc_collate)
- appendPQExpBuffer(&sql, " LC_COLLATE '%s'", lc_collate);
- if (lc_ctype)
- appendPQExpBuffer(&sql, " LC_CTYPE '%s'", lc_ctype);
- appendPQExpBufferStr(&sql, ";");
- /* No point in trying to use postgres db when creating postgres db. */
- if (maintenance_db == NULL && strcmp(dbname, "postgres") == 0)
- maintenance_db = "template1";
- conn = connectMaintenanceDatabase(maintenance_db, host, port, username,
- prompt_password, progname);
- if (echo)
- printf("%s\n", sql.data);
- result = PQexec(conn, sql.data);
- if (PQresultStatus(result) != PGRES_COMMAND_OK)
- {
- fprintf(stderr, _("%s: database creation failed: %s"),
- progname, PQerrorMessage(conn));
- PQfinish(conn);
- exit(1);
- }
- PQclear(result);
- if (comment)
- {
- printfPQExpBuffer(&sql, "COMMENT ON DATABASE %s IS ", fmtId(dbname));
- appendStringLiteralConn(&sql, comment, conn);
- appendPQExpBufferStr(&sql, ";");
- if (echo)
- printf("%s\n", sql.data);
- result = PQexec(conn, sql.data);
- if (PQresultStatus(result) != PGRES_COMMAND_OK)
- {
- fprintf(stderr, _("%s: comment creation failed (database was created): %s"),
- progname, 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(_(" -O, --owner=OWNER database user to own the new database\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 <pgsql-bugs@postgresql.org>.\n"));
- }