diff options
Diffstat (limited to 'src/backend/executor')
| -rw-r--r-- | src/backend/executor/nodeIndexonlyscan.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/src/backend/executor/nodeIndexonlyscan.c b/src/backend/executor/nodeIndexonlyscan.c index ee5b1c493b7..8a4d795d1a9 100644 --- a/src/backend/executor/nodeIndexonlyscan.c +++ b/src/backend/executor/nodeIndexonlyscan.c @@ -166,10 +166,10 @@ IndexOnlyNext(IndexOnlyScanState *node) * Rats, we have to visit the heap to check visibility. */ InstrCountTuples2(node, 1); - if (!index_fetch_heap(scandesc, slot)) + if (!index_fetch_heap(scandesc, node->ioss_TableSlot)) continue; /* no visible tuple, try next index entry */ - ExecClearTuple(slot); + ExecClearTuple(node->ioss_TableSlot); /* * Only MVCC snapshots are supported here, so there should be no @@ -528,7 +528,17 @@ ExecInitIndexOnlyScan(IndexOnlyScan *node, EState *estate, int eflags) */ tupDesc = ExecTypeFromTL(node->indextlist); ExecInitScanTupleSlot(estate, &indexstate->ss, tupDesc, - table_slot_callbacks(currentRelation)); + &TTSOpsVirtual); + + /* + * We need another slot, in a format that's suitable for the table AM, + * for when we need to fetch a tuple from the table for rechecking + * visibility. + */ + indexstate->ioss_TableSlot = + ExecAllocTableSlot(&estate->es_tupleTable, + RelationGetDescr(currentRelation), + table_slot_callbacks(currentRelation)); /* * Initialize result type and projection info. The node's targetlist will |