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No need for extra code to log freezing zero tuples. Callers already check that 

they are freezing a nonzero amount anyway.
This commit is contained in:
Alvaro Herrera 2008-10-27 21:50:12 +00:00
parent e98ca4d383
commit c9d1efda96
1 changed files with 5 additions and 11 deletions
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16
src/backend/access/heap/heapam.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/access/heap/heapam.c,v 1.265 2008/10/08 01:14:44 tgl Exp $
* $PostgreSQL: pgsql/src/backend/access/heap/heapam.c,v 1.266 2008/10/27 21:50:12 alvherre Exp $
*
*
* INTERFACE ROUTINES
@ -3818,6 +3818,8 @@ log_heap_freeze(Relation reln, Buffer buffer,
/* Caller should not call me on a temp relation */
Assert(!reln->rd_istemp);
/* nor when there are no tuples to freeze */
Assert(offcnt > 0);
xlrec.node = reln->rd_node;
xlrec.block = BufferGetBlockNumber(buffer);
@ -3833,16 +3835,8 @@ log_heap_freeze(Relation reln, Buffer buffer,
* it is. When XLogInsert stores the whole buffer, the offsets array need
* not be stored too.
*/
if (offcnt > 0)
{
rdata[1].data = (char *) offsets;
rdata[1].len = offcnt * sizeof(OffsetNumber);
}
else
{
rdata[1].data = NULL;
rdata[1].len = 0;
}
rdata[1].data = (char *) offsets;
rdata[1].len = offcnt * sizeof(OffsetNumber);
rdata[1].buffer = buffer;
rdata[1].buffer_std = true;
rdata[1].next = NULL;