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GIN index build's allocatedMemory counter needs to be long, not uint32.

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Else, in a 64-bit machine with maintenance_work_mem set to above 4Gb,
the counter overflows and we never recognize having reached the
maintenance_work_mem limit.  I believe this explains out-of-memory
failure recently reported by Sean Davis.

This is a bug, so backpatch to 8.2.
This commit is contained in:
Tom Lane 2007-11-16 21:50:13 +00:00
parent 7b85567962
commit 5a4a7d624a
1 changed files with 2 additions and 2 deletions
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4
src/include/access/gin.h
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@ -3,7 +3,7 @@
* header file for postgres inverted index access method implementation.
*
* Copyright (c) 2006, PostgreSQL Global Development Group
* $PostgreSQL: pgsql/src/include/access/gin.h,v 1.9 2006/10/05 17:57:40 tgl Exp $
* $PostgreSQL: pgsql/src/include/access/gin.h,v 1.9.2.1 2007/11/16 21:50:13 tgl Exp $
*--------------------------------------------------------------------------
*/
@ -450,7 +450,7 @@ typedef struct
uint32 maxdepth;
EntryAccumulator **stack;
uint32 stackpos;
uint32 allocatedMemory;
long allocatedMemory;
uint32 length;
EntryAccumulator *entryallocator;