diff options
Diffstat (limited to 'src/backend/access/heap/heapam_visibility.c')
| -rw-r--r-- | src/backend/access/heap/heapam_visibility.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/backend/access/heap/heapam_visibility.c b/src/backend/access/heap/heapam_visibility.c index e146605bd57..05f6946fe60 100644 --- a/src/backend/access/heap/heapam_visibility.c +++ b/src/backend/access/heap/heapam_visibility.c @@ -962,6 +962,15 @@ HeapTupleSatisfiesMVCC(HeapTuple htup, Snapshot snapshot, { HeapTupleHeader tuple = htup->t_data; + /* + * Assert that the caller has registered the snapshot. This function + * doesn't care about the registration as such, but in general you + * shouldn't try to use a snapshot without registration because it might + * get invalidated while it's still in use, and this is a convenient place + * to check for that. + */ + Assert(snapshot->regd_count > 0 || snapshot->active_count > 0); + Assert(ItemPointerIsValid(&htup->t_self)); Assert(htup->t_tableOid != InvalidOid); |