granicus.if.org Git - postgresql/blob - src/bin/scripts/createdb.c

   1 /*-------------------------------------------------------------------------
   2  *
   3  * createdb
   4  *
   5  * Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
   6  * Portions Copyright (c) 1994, Regents of the University of California
   7  *
   8  * $Header: /cvsroot/pgsql/src/bin/scripts/createdb.c,v 1.2 2003/05/14 03:26:03 tgl Exp $
   9  *
  10  *-------------------------------------------------------------------------
  11  */
  12
  13 #include "postgres_fe.h"
  14 #include "common.h"
  15 #include "dumputils.h"
  16
  17 #include "mb/pg_wchar.h"
  18
  19
  20 static void help(const char *progname);
  21
  22
  23 int
  24 main(int argc, char *argv[])
  25 {
  26         static struct option long_options[] = {
  27                 {"host", required_argument, NULL, 'h'},
  28                 {"port", required_argument, NULL, 'p'},
  29                 {"username", required_argument, NULL, 'U'},
  30                 {"password", no_argument, NULL, 'W'},
  31                 {"echo", no_argument, NULL, 'e'},
  32                 {"quiet", no_argument, NULL, 'q'},
  33                 {"owner", required_argument, NULL, 'O'},
  34                 {"location", required_argument, NULL, 'D'},
  35                 {"template", required_argument, NULL, 'T'},
  36                 {"encoding", required_argument, NULL, 'E'},
  37                 {NULL, 0, NULL, 0}
  38         };
  39
  40         char       *progname;
  41         int                     optindex;
  42         int                     c;
  43
  44         const char *dbname = NULL;
  45         char       *comment = NULL;
  46         char       *host = NULL;
  47         char       *port = NULL;
  48         char       *username = NULL;
  49         bool            password = false;
  50         bool            echo = false;
  51         bool            quiet = false;
  52         char       *owner = NULL;
  53         char       *location = NULL;
  54         char       *template = NULL;
  55         char       *encoding = NULL;
  56
  57         PQExpBufferData sql;
  58
  59         PGconn     *conn;
  60         PGresult   *result;
  61
  62         progname = get_progname(argv[0]);
  63         init_nls();
  64         handle_help_version_opts(argc, argv, "createdb", help);
  65
  66         while ((c = getopt_long(argc, argv, "h:p:U:WeqO:D:T:E:", long_options, &optindex)) != -1)
  67         {
  68                 switch (c)
  69                 {
  70                         case 'h':
  71                                 host = optarg;
  72                                 break;
  73                         case 'p':
  74                                 port = optarg;
  75                                 break;
  76                         case 'U':
  77                                 username = optarg;
  78                                 break;
  79                         case 'W':
  80                                 password = true;
  81                                 break;
  82                         case 'e':
  83                                 echo = true;
  84                                 break;
  85                         case 'q':
  86                                 quiet = true;
  87                                 break;
  88                         case 'O':
  89                                 owner = optarg;
  90                                 break;
  91                         case 'D':
  92                                 location = optarg;
  93                                 break;
  94                         case 'T':
  95                                 template = optarg;
  96                                 break;
  97                         case 'E':
  98                                 encoding = optarg;
  99                                 break;
 100                         default:
 101                                 fprintf(stderr, _("Try '%s --help' for more information.\n"), progname);
 102                                 exit(1);
 103                 }
 104         }
 105
 106         switch (argc - optind)
 107         {
 108                 case 0:
 109                         break;
 110                 case 1:
 111                         dbname = argv[optind];
 112                         break;
 113                 case 2:
 114                         dbname = argv[optind];
 115                         comment = argv[optind + 1];
 116                         break;
 117                 default:
 118                         fprintf(stderr, _("%s: too many command-line arguments (first is '%s')\n"),
 119                                         progname, argv[optind + 2]);
 120                         fprintf(stderr, _("Try '%s --help' for more information.\n"), progname);
 121                         exit(1);
 122         }
 123
 124         if (encoding)
 125         {
 126                 if (pg_char_to_encoding(encoding) < 0)
 127                 {
 128                         fprintf(stderr, _("%s: \"%s\" is not a valid encoding name\n"),
 129                                         progname, encoding);
 130                         exit(1);
 131                 }
 132         }
 133
 134         if (dbname == NULL)
 135         {
 136                 if (getenv("PGDATABASE"))
 137                         dbname = getenv("PGDATABASE");
 138                 else if (getenv("PGUSER"))
 139                         dbname = getenv("PGUSER");
 140                 else
 141                         dbname = get_user_name(progname);
 142         }
 143
 144         initPQExpBuffer(&sql);
 145
 146         appendPQExpBuffer(&sql, "CREATE DATABASE %s",
 147                                           fmtId(dbname));
 148
 149         if (owner)
 150                 appendPQExpBuffer(&sql, " OWNER %s", fmtId(owner));
 151         if (location)
 152         {
 153                 appendPQExpBuffer(&sql, " LOCATION ");
 154                 appendStringLiteral(&sql, location, false);
 155         }
 156         if (encoding)
 157                 appendPQExpBuffer(&sql, " ENCODING '%s'", encoding);
 158         if (template)
 159                 appendPQExpBuffer(&sql, " TEMPLATE %s", fmtId(template));
 160         appendPQExpBuffer(&sql, ";\n");
 161
 162         conn = connectDatabase("template1", host, port, username, password, progname);
 163
 164         if (echo)
 165                 printf("%s", sql.data);
 166         result = PQexec(conn, sql.data);
 167
 168         if (PQresultStatus(result) != PGRES_COMMAND_OK)
 169         {
 170                 fprintf(stderr, _("%s: database creation failed: %s"),
 171                                 progname, PQerrorMessage(conn));
 172                 PQfinish(conn);
 173                 exit(1);
 174         }
 175
 176         PQclear(result);
 177         PQfinish(conn);
 178
 179         if (!quiet)
 180                 puts("CREATE DATABASE");
 181
 182         if (comment)
 183         {
 184                 printfPQExpBuffer(&sql, "COMMENT ON DATABASE %s IS ", fmtId(dbname));
 185                 appendStringLiteral(&sql, comment, false);
 186                 appendPQExpBuffer(&sql, ";\n");
 187
 188                 conn = connectDatabase(dbname, host, port, username, password, progname);
 189                 if (echo)
 190                         printf("%s", sql.data);
 191                 result = PQexec(conn, sql.data);
 192
 193                 if (PQresultStatus(result) != PGRES_COMMAND_OK)
 194                 {
 195                         fprintf(stderr, _("%s: comment creation failed (database was created): %s"),
 196                                         progname, PQerrorMessage(conn));
 197                         PQfinish(conn);
 198                         exit(1);
 199                 }
 200
 201                 PQfinish(conn);
 202                 if (!quiet)
 203                         puts("COMMENT");
 204         }
 205
 206         exit(0);
 207 }
 208
 209
 210 static void
 211 help(const char *progname)
 212 {
 213         printf(_("%s creates a PostgreSQL database.\n\n"), progname);
 214         printf(_("Usage:\n"));
 215         printf(_("  %s [OPTION]... [DBNAME] [DESCRIPTION]\n"), progname);
 216         printf(_("\nOptions:\n"));
 217         printf(_("  -D, --location=PATH       alternative place to store the database\n"));
 218         printf(_("  -E, --encoding=ENCODING   encoding for the database\n"));
 219         printf(_("  -O, --owner=OWNER         database user to own the new database\n"));
 220         printf(_("  -T, --template=TEMPLATE   template database to copy\n"));
 221         printf(_("  -e, --echo                show the commands being sent to the server\n"));
 222         printf(_("  -q, --quiet               don't write any messages\n"));
 223         printf(_("  --help                    show this help, then exit\n"));
 224         printf(_("  --version                 output version information, then exit\n"));
 225         printf(_("\nConnection options:\n"));
 226         printf(_("  -h, --host=HOSTNAME       database server host\n"));
 227         printf(_("  -p, --port=PORT           database server port\n"));
 228         printf(_("  -U, --username=USERNAME   user name to connect as\n"));
 229         printf(_("  -W, --password            prompt for password\n"));
 230         printf(_("\nBy default, a database with the same name as the current user is created.\n"));
 231         printf(_("\nReport bugs to <pgsql-bugs@postgresql.org>.\n"));
 232 }