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Diffstat (limited to 'src/backend/access/heap/heapam.c')
| -rw-r--r-- | src/backend/access/heap/heapam.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/backend/access/heap/heapam.c b/src/backend/access/heap/heapam.c index 922744e04db..657af12a399 100644 --- a/src/backend/access/heap/heapam.c +++ b/src/backend/access/heap/heapam.c @@ -5837,6 +5837,10 @@ heap_abort_speculative(Relation relation, ItemPointer tid) * * tuple is an in-memory tuple structure containing the data to be written * over the target tuple. Also, tuple->t_self identifies the target tuple. + * + * Note that the tuple updated here had better not come directly from the + * syscache if the relation has a toast relation as this tuple could + * include toast values that have been expanded, causing a failure here. */ void heap_inplace_update(Relation relation, HeapTuple tuple) |