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Commit1ce4a80

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Fix NULL handling in multi-batch Parallel Hash Left Join.
NULL keys in left joins were skipped when building batch files.Repair, by making the keep_nulls argument to ExecHashGetHashValue()depend on whether this is a left outer join, as we do in otherpaths.Bug #15475. Thinko in1804284. Back-patch to 11.Reported-by: Paul SchaapDiagnosed-by: Andrew GierthDicussion:https://postgr.es/m/15475-11a7a783fed72a36%40postgresql.org
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‎src/backend/executor/nodeHashjoin.c

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1395,7 +1395,7 @@ ExecParallelHashJoinPartitionOuter(HashJoinState *hjstate)
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if (ExecHashGetHashValue(hashtable,econtext,
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hjstate->hj_OuterHashKeys,
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true,/* outer tuple */
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false,/* outer join, currently unsupported */
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HJ_FILL_OUTER(hjstate),
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&hashvalue))
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{
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intbatchno;

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