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Added LIMIT/OFFSET functionality including new regression test for it.

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Removed CURRENT keyword for rule queries and changed rules regression
accordingly. CURRENT has beed announced to disappear in v6.5.

Jan
This commit is contained in:
Jan Wieck
1999-02-08 14:14:32 +00:00
parent 54e5d25666
commit be948af2e8
15 changed files with 472 additions and 63 deletions
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22
src/backend/commands/command.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/Attic/command.c,v 1.36 1999/02/03 21:16:02 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/Attic/command.c,v 1.37 1999/02/08 14:14:08 wieck Exp $
*
* NOTES
* The PortalExecutorHeapMemory crap needs to be eliminated
@ -40,6 +40,7 @@
#include "utils/portal.h"
#include "utils/syscache.h"
#include "miscadmin.h"
#include "string.h"
/* ----------------
* PortalExecutorHeapMemory stuff
@ -102,6 +103,7 @@ PerformPortalFetch(char *name,
int feature;
QueryDesc *queryDesc;
MemoryContext context;
Const limcount;
/* ----------------
* sanity checks
@ -113,6 +115,21 @@ PerformPortalFetch(char *name,
return;
}
/* ----------------
* Create a const node from the given count value
* ----------------
*/
memset(&limcount, 0, sizeof(limcount));
limcount.type = T_Const;
limcount.consttype = INT4OID;
limcount.constlen = sizeof(int4);
limcount.constvalue = (Datum)count;
limcount.constisnull = FALSE;
limcount.constbyval = TRUE;
limcount.constisset = FALSE;
limcount.constiscast = FALSE;
/* ----------------
* get the portal from the portal name
* ----------------
@ -176,7 +193,8 @@ PerformPortalFetch(char *name,
PortalExecutorHeapMemory = (MemoryContext)
PortalGetHeapMemory(portal);
ExecutorRun(queryDesc, PortalGetState(portal), feature, count);
ExecutorRun(queryDesc, PortalGetState(portal), feature,
(Node *)NULL, (Node *)&limcount);
if (dest == None) /* MOVE */
pfree(queryDesc);