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When modifying a foreign table, initialize tableoid field properly.

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Failure to do this can cause AFTER ROW triggers or RETURNING expressions
that reference this field to misbehave.

Etsuro Fujita, reviewed by Thom Brown
This commit is contained in:
Robert Haas 2016-02-04 21:15:57 -05:00
parent 3676136ffc
commit 453d40817c
1 changed files with 23 additions and 0 deletions
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23
src/backend/executor/nodeModifyTable.c
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@ -308,6 +308,12 @@ ExecInsert(ModifyTableState *mtstate,
/* FDW might have changed tuple */
tuple = ExecMaterializeSlot(slot);
/*
* AFTER ROW Triggers or RETURNING expressions might reference the
* tableoid column, so initialize t_tableOid before evaluating them.
*/
tuple->t_tableOid = RelationGetRelid(resultRelationDesc);
newId = InvalidOid;
}
else
@ -561,6 +567,8 @@ ExecDelete(ItemPointer tupleid,
}
else if (resultRelInfo->ri_FdwRoutine)
{
HeapTuple tuple;
/*
* delete from foreign table: let the FDW do it
*
@ -579,6 +587,15 @@ ExecDelete(ItemPointer tupleid,
if (slot == NULL) /* "do nothing" */
return NULL;
/*
* RETURNING expressions might reference the tableoid column, so
* initialize t_tableOid before evaluating them.
*/
if (slot->tts_isempty)
ExecStoreAllNullTuple(slot);
tuple = ExecMaterializeSlot(slot);
tuple->t_tableOid = RelationGetRelid(resultRelationDesc);
}
else
{
@ -838,6 +855,12 @@ ExecUpdate(ItemPointer tupleid,
/* FDW might have changed tuple */
tuple = ExecMaterializeSlot(slot);
/*
* AFTER ROW Triggers or RETURNING expressions might reference the
* tableoid column, so initialize t_tableOid before evaluating them.
*/
tuple->t_tableOid = RelationGetRelid(resultRelationDesc);
}
else
{