diff options
Diffstat (limited to 'src/backend/access/heap/visibilitymap.c')
| -rw-r--r-- | src/backend/access/heap/visibilitymap.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/backend/access/heap/visibilitymap.c b/src/backend/access/heap/visibilitymap.c index 6505e76daed..5696abe4d2a 100644 --- a/src/backend/access/heap/visibilitymap.c +++ b/src/backend/access/heap/visibilitymap.c @@ -229,7 +229,9 @@ visibilitymap_pin_ok(BlockNumber heapBlk, Buffer buf) * recptr is the LSN of the XLOG record we're replaying, if we're in recovery, * or InvalidXLogRecPtr in normal running. The page LSN is advanced to the * one provided; in normal running, we generate a new XLOG record and set the - * page LSN to that value. + * page LSN to that value. cutoff_xid is the largest xmin on the page being + * marked all-visible; it is needed for Hot Standby, and can be + * InvalidTransactionId if the page contains no tuples. * * You must pass a buffer containing the correct map page to this function. * Call visibilitymap_pin first to pin the right one. This function doesn't do @@ -237,7 +239,7 @@ visibilitymap_pin_ok(BlockNumber heapBlk, Buffer buf) */ void visibilitymap_set(Relation rel, BlockNumber heapBlk, XLogRecPtr recptr, - Buffer buf) + Buffer buf, TransactionId cutoff_xid) { BlockNumber mapBlock = HEAPBLK_TO_MAPBLOCK(heapBlk); uint32 mapByte = HEAPBLK_TO_MAPBYTE(heapBlk); @@ -269,7 +271,8 @@ visibilitymap_set(Relation rel, BlockNumber heapBlk, XLogRecPtr recptr, if (RelationNeedsWAL(rel)) { if (XLogRecPtrIsInvalid(recptr)) - recptr = log_heap_visible(rel->rd_node, heapBlk, buf); + recptr = log_heap_visible(rel->rd_node, heapBlk, buf, + cutoff_xid); PageSetLSN(page, recptr); PageSetTLI(page, ThisTimeLineID); } |