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Tweak palloc/repalloc to allow zero bytes to be requested, as per recent

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proposal.  Eliminate several dozen now-unnecessary hacks to avoid palloc(0).
(It's likely there are more that I didn't find.)
This commit is contained in:
Tom Lane
2004-06-05 19:48:09 +00:00
parent 24a1e20f14
commit c3a153afed
19 changed files with 113 additions and 113 deletions
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5
src/backend/commands/vacuumlazy.c
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@@ -31,7 +31,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/vacuumlazy.c,v 1.41 2004/05/31 19:24:05 tgl Exp $
* $PostgreSQL: pgsql/src/backend/commands/vacuumlazy.c,v 1.42 2004/06/05 19:48:07 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -918,9 +918,6 @@ lazy_space_alloc(LVRelStats *vacrelstats, BlockNumber relblocks)
/* No need to allocate more pages than the relation has blocks */
if (relblocks < (BlockNumber) maxpages)
maxpages = (int) relblocks;
/* avoid palloc(0) */
if (maxpages < 1)
maxpages = 1;
vacrelstats->fs_is_heap = false;
vacrelstats->num_free_pages = 0;