diff options
Diffstat (limited to 'src/backend/executor/nodeBitmapHeapscan.c')
-rw-r--r-- | src/backend/executor/nodeBitmapHeapscan.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/backend/executor/nodeBitmapHeapscan.c b/src/backend/executor/nodeBitmapHeapscan.c index 221391908c7..eb5bbb57ef1 100644 --- a/src/backend/executor/nodeBitmapHeapscan.c +++ b/src/backend/executor/nodeBitmapHeapscan.c @@ -1051,6 +1051,11 @@ ExecBitmapHeapInitializeDSM(BitmapHeapScanState *node, { ParallelBitmapHeapState *pstate; EState *estate = node->ss.ps.state; + dsa_area *dsa = node->ss.ps.state->es_query_dsa; + + /* If there's no DSA, there are no workers; initialize nothing. */ + if (dsa == NULL) + return; pstate = shm_toc_allocate(pcxt->toc, node->pscan_len); @@ -1083,6 +1088,10 @@ ExecBitmapHeapReInitializeDSM(BitmapHeapScanState *node, ParallelBitmapHeapState *pstate = node->pstate; dsa_area *dsa = node->ss.ps.state->es_query_dsa; + /* If there's no DSA, there are no workers; do nothing. */ + if (dsa == NULL) + return; + pstate->state = BM_INITIAL; if (DsaPointerIsValid(pstate->tbmiterator)) @@ -1108,6 +1117,8 @@ ExecBitmapHeapInitializeWorker(BitmapHeapScanState *node, ParallelBitmapHeapState *pstate; Snapshot snapshot; + Assert(node->ss.ps.state->es_query_dsa != NULL); + pstate = shm_toc_lookup(pwcxt->toc, node->ss.ps.plan->plan_node_id, false); node->pstate = pstate; |