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release memory used while flushing logical mappings

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Patch by Ants Aasma
This commit is contained in:
Bruce Momjian 2014-04-22 18:05:44 -04:00
parent c27bf777cf
commit 4d0d607a45
1 changed files with 2 additions and 1 deletions
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3
src/backend/access/heap/rewriteheap.c
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@ -897,7 +897,7 @@ logical_heap_rewrite_flush_mappings(RewriteState state)
/* write all mappings consecutively */
len = src->num_mappings * sizeof(LogicalRewriteMappingData);
waldata = palloc(len);
waldata = MemoryContextAlloc(state->rs_cxt, len);
waldata_start = waldata;
/*
@ -943,6 +943,7 @@ logical_heap_rewrite_flush_mappings(RewriteState state)
/* write xlog record */
XLogInsert(RM_HEAP2_ID, XLOG_HEAP2_REWRITE, rdata);
pfree(waldata);
}
Assert(state->rs_num_rewrite_mappings == 0);
}