granicus.if.org Git - postgresql/blob - src/backend/utils/adt/version.c

   1 /*-------------------------------------------------------------------------
   2  *
   3  * version.c
   4  *       Returns the PostgreSQL version string
   5  *
   6  * Copyright (c) 1998-2007, PostgreSQL Global Development Group
   7  *
   8  * IDENTIFICATION
   9  *
  10  * $PostgreSQL: pgsql/src/backend/utils/adt/version.c,v 1.14 2007/01/20 01:08:42 neilc Exp $
  11  *
  12  *-------------------------------------------------------------------------
  13  */
  14
  15 #include "postgres.h"
  16
  17 #include "utils/builtins.h"
  18
  19
  20 Datum
  21 pgsql_version(PG_FUNCTION_ARGS)
  22 {
  23         int                     n = strlen(PG_VERSION_STR);
  24         text       *ret = (text *) palloc(n + VARHDRSZ);
  25
  26         VARATT_SIZEP(ret) = n + VARHDRSZ;
  27         memcpy(VARDATA(ret), PG_VERSION_STR, n);
  28
  29         PG_RETURN_TEXT_P(ret);
  30 }