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/*-------------------------------------------------------------------------
*
* createdb
*
* Portions Copyright (c) 1996-2020, 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/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'},
{"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;
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:", 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:
pg_log_error("too many command-line arguments (first is \"%s\")",
argv[optind + 2]);
fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname);
exit(1);
}
if (locale)
{
if (lc_ctype)
{
pg_log_error("only one of --locale and --lc-ctype can be specified");
exit(1);
}
if (lc_collate)
{
pg_log_error("only one of --locale and --lc-collate can be specified");
exit(1);
}
lc_ctype = locale;
lc_collate = locale;
}
if (encoding)
{
if (pg_char_to_encoding(encoding) < 0)
{
pg_log_error("\"%s\" is not a valid encoding name", 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);
}
/* 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, 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 (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);
}
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(_(" -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 <%s>.\n"), PACKAGE_BUGREPORT);
printf(_("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_URL);
}