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Commit4d0d607

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release memory used while flushing logical mappings
Patch by Ants Aasma
1 parentc27bf77 commit4d0d607

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‎src/backend/access/heap/rewriteheap.c

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -897,7 +897,7 @@ logical_heap_rewrite_flush_mappings(RewriteState state)
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898898
/* write all mappings consecutively */
899899
len=src->num_mappings*sizeof(LogicalRewriteMappingData);
900-
waldata=palloc(len);
900+
waldata=MemoryContextAlloc(state->rs_cxt,len);
901901
waldata_start=waldata;
902902

903903
/*
@@ -943,6 +943,7 @@ logical_heap_rewrite_flush_mappings(RewriteState state)
943943
/* write xlog record */
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XLogInsert(RM_HEAP2_ID,XLOG_HEAP2_REWRITE,rdata);
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946+
pfree(waldata);
946947
}
947948
Assert(state->rs_num_rewrite_mappings==0);
948949
}

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