Use environment variable PGDATESTYLE on backend startup to initialize

 date/time formats and conventions.

diff --git a/src/backend/tcop/postgres.c b/src/backend/tcop/postgres.c
index b48c748..42a6bd8 100644 (file)
--- a/src/backend/tcop/postgres.c
+++ b/src/backend/tcop/postgres.c
@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *       $Header: /cvsroot/pgsql/src/backend/tcop/postgres.c,v 1.56 1997/12/11 17:36:42 momjian Exp $
+ *       $Header: /cvsroot/pgsql/src/backend/tcop/postgres.c,v 1.57 1997/12/16 15:57:00 thomas Exp $
  *
  * NOTES
  *       this is the "main" module of the postgres backend and
@@ -854,6 +854,7 @@ PostgresMain(int argc, char *argv[])
        Dlelem     *curr;
        int                     status;
 
+       char       *DBDate = NULL;
        extern int      optind;
        extern char *optarg;
        extern short DebugLvl;
@@ -882,6 +883,10 @@ PostgresMain(int argc, char *argv[])
         *      parse command line arguments
         * ----------------
         */
+
+       /*
+        * Set default values.
+        */
        flagC = flagQ = flagE = flagEu = ShowStats = 0;
        ShowParserStats = ShowPlannerStats = ShowExecutorStats = 0;
 #ifdef LOCK_MGR_DEBUG
@@ -893,9 +898,33 @@ PostgresMain(int argc, char *argv[])
         * NULL means Unix-socket only
         */
        hostName = getenv("PGHOST");
+       DataDir = getenv("PGDATA");
+       /*
+        * Try to get initial values for date styles and formats.
+        * Does not do a complete job, but should be good enough for backend.
+        * Cannot call parse_date() since palloc/pfree memory is not set up yet.
+        */
+       DBDate = getenv("PGDATESTYLE");
+       if (DBDate != NULL)
+       {
+               if (strcasecmp(DBDate, "ISO") == 0)
+                       DateStyle = USE_ISO_DATES;
+               else if (strcasecmp(DBDate, "SQL") == 0)
+                       DateStyle = USE_SQL_DATES;
+               else if (strcasecmp(DBDate, "POSTGRES") == 0)
+                       DateStyle = USE_POSTGRES_DATES;
+               else if (strcasecmp(DBDate, "GERMAN") == 0)
+               {
+                       DateStyle = USE_GERMAN_DATES;
+                       EuroDates = TRUE;
+               }
 
-       DataDir = getenv("PGDATA"); /* default */
-       multiplexedBackend = false; /* default */
+               if (strcasecmp(DBDate, "NONEURO") == 0)
+                       EuroDates = FALSE;
+               else if (strcasecmp(DBDate, "EURO") == 0)
+                       EuroDates = TRUE;
+       }
+       multiplexedBackend = false;
 
        while ((flag = getopt(argc, argv, "B:bCD:d:Eef:iK:Lm:MNo:P:pQS:st:x:F"))
                   != EOF)
@@ -1343,7 +1372,7 @@ PostgresMain(int argc, char *argv[])
        if (IsUnderPostmaster == false)
        {
                puts("\nPOSTGRES backend interactive interface");
-               puts("$Revision: 1.56 $ $Date: 1997/12/11 17:36:42 $");
+               puts("$Revision: 1.57 $ $Date: 1997/12/16 15:57:00 $");
        }
 
        /* ----------------