diff options
Diffstat (limited to 'src/backend/replication')
| -rw-r--r-- | src/backend/replication/logical/decode.c | 15 |
1 files changed, 3 insertions, 12 deletions
diff --git a/src/backend/replication/logical/decode.c b/src/backend/replication/logical/decode.c index cc03f0706e9..5e15cb1825e 100644 --- a/src/backend/replication/logical/decode.c +++ b/src/backend/replication/logical/decode.c @@ -521,18 +521,9 @@ heap_decode(LogicalDecodingContext *ctx, XLogRecordBuffer *buf) /* * Inplace updates are only ever performed on catalog tuples and - * can, per definition, not change tuple visibility. Inplace - * updates don't affect storage or interpretation of table rows, - * so they don't affect logicalrep_write_tuple() outcomes. Hence, - * we don't process invalidations from the original operation. If - * inplace updates did affect those things, invalidations wouldn't - * make it work, since there are no snapshot-specific versions of - * inplace-updated values. Since we also don't decode catalog - * tuples, we're not interested in the record's contents. - * - * WAL contains likely-unnecessary commit-time invals from the - * CacheInvalidateHeapTuple() call in - * heap_inplace_update_and_unlock(). Excess invalidation is safe. + * can, per definition, not change tuple visibility. Since we + * also don't decode catalog tuples, we're not interested in the + * record's contents. */ break; |