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Fix RETURNING to work correctly with partition tuple routing.

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In ExecInsert(), do not switch back to the root partitioned table
ResultRelInfo until after we finish ExecProcessReturning(), so that
RETURNING projection is done using the partition's descriptor.  For
the projection to work correctly, we must initialize the same for each
leaf partition during ModifyTableState initialization.

Amit Langote
This commit is contained in:
Robert Haas
2017-01-19 13:20:11 -05:00
parent 39162b2030
commit 05bd889904
7 changed files with 82 additions and 17 deletions
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4
src/backend/executor/execMain.c
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@ -1279,10 +1279,10 @@ InitResultRelInfo(ResultRelInfo *resultRelInfo,
/*
* This is not our own partition constraint, but rather an ancestor's.
* So any Vars in it bear the ancestor's attribute numbers. We must
* switch them to our own.
* switch them to our own. (dummy varno = 1)
*/
if (partition_check != NIL)
partition_check = map_partition_varattnos(partition_check,
partition_check = map_partition_varattnos(partition_check, 1,
resultRelationDesc,
partition_root);
}