diff options
Diffstat (limited to 'src/backend/access/heap/heapam.c')
| -rw-r--r-- | src/backend/access/heap/heapam.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/src/backend/access/heap/heapam.c b/src/backend/access/heap/heapam.c index 2209db1d96b..2e3b9d2c2b7 100644 --- a/src/backend/access/heap/heapam.c +++ b/src/backend/access/heap/heapam.c @@ -7413,12 +7413,11 @@ heap_xlog_visible(XLogRecPtr lsn, XLogRecord *record) ResolveRecoveryConflictWithSnapshot(xlrec->cutoff_xid, xlrec->node); /* - * If heap block was backed up, restore it. This can only happen with - * checksums enabled. + * If heap block was backed up, restore it. (This can only happen with + * checksums or wal_log_hints enabled). */ if (record->xl_info & XLR_BKP_BLOCK(1)) { - Assert(DataChecksumsEnabled()); (void) RestoreBackupBlock(lsn, record, 1, false, false); } else @@ -7441,11 +7440,11 @@ heap_xlog_visible(XLogRecPtr lsn, XLogRecord *record) /* * We don't bump the LSN of the heap page when setting the - * visibility map bit (unless checksums are enabled, in which case - * we must), because that would generate an unworkable volume of - * full-page writes. This exposes us to torn page hazards, but - * since we're not inspecting the existing page contents in any - * way, we don't care. + * visibility map bit (unless checksums or wal_log_hints is + * enabled, in which case we must), because that would generate an + * unworkable volume of full-page writes. This exposes us to torn + * page hazards, but since we're not inspecting the existing page + * contents in any way, we don't care. * * However, all operations that clear the visibility map bit *do* * bump the LSN, and those operations will only be replayed if the |