diff options
Diffstat (limited to 'src/backend/executor/nodeAppend.c')
| -rw-r--r-- | src/backend/executor/nodeAppend.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/backend/executor/nodeAppend.c b/src/backend/executor/nodeAppend.c index 7da8ffe0652..c2527572686 100644 --- a/src/backend/executor/nodeAppend.c +++ b/src/backend/executor/nodeAppend.c @@ -1001,6 +1001,7 @@ ExecAppendAsyncEventWait(AppendState *node) long timeout = node->as_syncdone ? -1 : 0; WaitEvent occurred_event[EVENT_BUFFER_SIZE]; int noccurred; + int nevents; int i; /* We should never be called when there are no valid async subplans. */ @@ -1022,8 +1023,9 @@ ExecAppendAsyncEventWait(AppendState *node) } /* Wait for at least one event to occur. */ + nevents = Min(node->as_nasyncplans + 1, EVENT_BUFFER_SIZE); noccurred = WaitEventSetWait(node->as_eventset, timeout, occurred_event, - EVENT_BUFFER_SIZE, WAIT_EVENT_APPEND_READY); + nevents, WAIT_EVENT_APPEND_READY); FreeWaitEventSet(node->as_eventset); node->as_eventset = NULL; if (noccurred == 0) |