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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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6
src/backend/commands/tablecmds.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/tablecmds.c,v 1.110 2004/06/04 20:35:21 tgl Exp $
* $PostgreSQL: pgsql/src/backend/commands/tablecmds.c,v 1.111 2004/06/05 19:48:07 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -727,10 +727,10 @@ MergeAttributes(List *schema, List *supers, bool istemp,
* newattno[] will contain the child-table attribute numbers for
* the attributes of this parent table. (They are not the same
* for parents after the first one, nor if we have dropped
* columns.) +1 is to prevent error if parent has zero columns.
* columns.)
*/
newattno = (AttrNumber *)
palloc((tupleDesc->natts + 1) * sizeof(AttrNumber));
palloc(tupleDesc->natts * sizeof(AttrNumber));
for (parent_attno = 1; parent_attno <= tupleDesc->natts;
parent_attno++)