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Make MOVE/FETCH 0 actually move/fetch 0. Add MOVE LAST to move to end

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of cursor.
This commit is contained in:
Bruce Momjian
2002-11-13 00:44:09 +00:00
parent 9b12ab6d5d
commit 4e5a947d1c
8 changed files with 36 additions and 21 deletions
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14
src/backend/commands/portalcmds.c
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@ -8,13 +8,15 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/portalcmds.c,v 1.3 2002/09/04 20:31:15 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/portalcmds.c,v 1.4 2002/11/13 00:44:08 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#include "postgres.h"
#include <limits.h>
#include "commands/portalcmds.h"
#include "executor/executor.h"
@ -55,7 +57,7 @@ PortalCleanup(Portal portal)
*
* name: name of portal
* forward: forward or backward fetch?
* count: # of tuples to fetch (0 implies all)
* count: # of tuples to fetch
* dest: where to send results
* completionTag: points to a buffer of size COMPLETION_TAG_BUFSIZE
* in which to store a command completion status string.
@ -100,6 +102,14 @@ PerformPortalFetch(char *name,
return;
}
/* If zero count, we are done */
if (count == 0)
return;
/* Internally, zero count processes all portal rows */
if (count == INT_MAX)
count = 0;
/*
* switch into the portal context
*/