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Diffstat (limited to 'src/backend/executor/nodeForeignscan.c')
| -rw-r--r-- | src/backend/executor/nodeForeignscan.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/backend/executor/nodeForeignscan.c b/src/backend/executor/nodeForeignscan.c index 0084234b35..a2a28b7ec2 100644 --- a/src/backend/executor/nodeForeignscan.c +++ b/src/backend/executor/nodeForeignscan.c @@ -186,7 +186,11 @@ ExecInitForeignScan(ForeignScan *node, EState *estate, int eflags) } else { - ExecInitScanTupleSlot(estate, &scanstate->ss, RelationGetDescr(currentRelation)); + TupleDesc scan_tupdesc; + + /* don't trust FDWs to return tuples fulfilling NOT NULL constraints */ + scan_tupdesc = CreateTupleDescCopy(RelationGetDescr(currentRelation)); + ExecInitScanTupleSlot(estate, &scanstate->ss, scan_tupdesc); /* Node's targetlist will contain Vars with varno = scanrelid */ tlistvarno = scanrelid; } |