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Commit8de20a3

Browse files
author
Thomas G. Lockhart
committed
Use environment variable PGDATESTYLE on backend startup to initialize
 date/time formats and conventions.
1 parenta58825a commit8de20a3

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1 file changed

+33
-4
lines changed

1 file changed

+33
-4
lines changed

‎src/backend/tcop/postgres.c

Lines changed: 33 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -7,7 +7,7 @@
77
*
88
*
99
* IDENTIFICATION
10-
* $Header: /cvsroot/pgsql/src/backend/tcop/postgres.c,v 1.56 1997/12/11 17:36:42 momjian Exp $
10+
* $Header: /cvsroot/pgsql/src/backend/tcop/postgres.c,v 1.57 1997/12/16 15:57:00 thomas Exp $
1111
*
1212
* NOTES
1313
* this is the "main" module of the postgres backend and
@@ -854,6 +854,7 @@ PostgresMain(int argc, char *argv[])
854854
Dlelem*curr;
855855
intstatus;
856856

857+
char*DBDate=NULL;
857858
externintoptind;
858859
externchar*optarg;
859860
externshortDebugLvl;
@@ -882,6 +883,10 @@ PostgresMain(int argc, char *argv[])
882883
*parse command line arguments
883884
* ----------------
884885
*/
886+
887+
/*
888+
* Set default values.
889+
*/
885890
flagC=flagQ=flagE=flagEu=ShowStats=0;
886891
ShowParserStats=ShowPlannerStats=ShowExecutorStats=0;
887892
#ifdefLOCK_MGR_DEBUG
@@ -893,9 +898,33 @@ PostgresMain(int argc, char *argv[])
893898
* NULL means Unix-socket only
894899
*/
895900
hostName=getenv("PGHOST");
901+
DataDir=getenv("PGDATA");
902+
/*
903+
* Try to get initial values for date styles and formats.
904+
* Does not do a complete job, but should be good enough for backend.
905+
* Cannot call parse_date() since palloc/pfree memory is not set up yet.
906+
*/
907+
DBDate=getenv("PGDATESTYLE");
908+
if (DBDate!=NULL)
909+
{
910+
if (strcasecmp(DBDate,"ISO")==0)
911+
DateStyle=USE_ISO_DATES;
912+
elseif (strcasecmp(DBDate,"SQL")==0)
913+
DateStyle=USE_SQL_DATES;
914+
elseif (strcasecmp(DBDate,"POSTGRES")==0)
915+
DateStyle=USE_POSTGRES_DATES;
916+
elseif (strcasecmp(DBDate,"GERMAN")==0)
917+
{
918+
DateStyle=USE_GERMAN_DATES;
919+
EuroDates= TRUE;
920+
}
896921

897-
DataDir=getenv("PGDATA");/* default */
898-
multiplexedBackend= false;/* default */
922+
if (strcasecmp(DBDate,"NONEURO")==0)
923+
EuroDates= FALSE;
924+
elseif (strcasecmp(DBDate,"EURO")==0)
925+
EuroDates= TRUE;
926+
}
927+
multiplexedBackend= false;
899928

900929
while ((flag=getopt(argc,argv,"B:bCD:d:Eef:iK:Lm:MNo:P:pQS:st:x:F"))
901930
!=EOF)
@@ -1343,7 +1372,7 @@ PostgresMain(int argc, char *argv[])
13431372
if (IsUnderPostmaster== false)
13441373
{
13451374
puts("\nPOSTGRES backend interactive interface");
1346-
puts("$Revision: 1.56 $ $Date: 1997/12/11 17:36:42 $");
1375+
puts("$Revision: 1.57 $ $Date: 1997/12/16 15:57:00 $");
13471376
}
13481377

13491378
/* ----------------

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