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Fix reporting of violations in ExecConstraints, again.

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We decided in f1b4c771ea to pass the
original slot to ExecConstraints(), but that breaks when there are
BEFORE ROW triggers involved.  So we need to do reverse-map the tuples
back to the original descriptor instead, as Amit originally proposed.

Amit Langote, reviewed by Ashutosh Bapat.  One overlooked comment
fixed by me.

Discussion: http://postgr.es/m/b3a17254-6849-e542-2353-bde4e880b6a4@lab.ntt.co.jp
This commit is contained in:
Robert Haas
2017-04-10 12:20:08 -04:00
parent 244f1c8907
commit c0a8ae7be3
7 changed files with 92 additions and 28 deletions
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4
src/backend/executor/execReplication.c
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@ -389,7 +389,7 @@ ExecSimpleRelationInsert(EState *estate, TupleTableSlot *slot)
/* Check the constraints of the tuple */
if (rel->rd_att->constr)
ExecConstraints(resultRelInfo, slot, slot, estate);
ExecConstraints(resultRelInfo, slot, estate);
/* Store the slot into tuple that we can inspect. */
tuple = ExecMaterializeSlot(slot);
@ -448,7 +448,7 @@ ExecSimpleRelationUpdate(EState *estate, EPQState *epqstate,
/* Check the constraints of the tuple */
if (rel->rd_att->constr)
ExecConstraints(resultRelInfo, slot, slot, estate);
ExecConstraints(resultRelInfo, slot, estate);
/* Store the slot into tuple that we can write. */
tuple = ExecMaterializeSlot(slot);