diff options
Diffstat (limited to 'src/backend/access')
| -rw-r--r-- | src/backend/access/common/bufmask.c | 2 | ||||
| -rw-r--r-- | src/backend/access/heap/heapam.c | 1 | ||||
| -rw-r--r-- | src/backend/access/transam/xlog.c | 12 |
3 files changed, 12 insertions, 3 deletions
diff --git a/src/backend/access/common/bufmask.c b/src/backend/access/common/bufmask.c index 3b06115e035..10253d33545 100644 --- a/src/backend/access/common/bufmask.c +++ b/src/backend/access/common/bufmask.c @@ -5,7 +5,7 @@ * in a page which can be different when the WAL is generated * and when the WAL is applied. * - * Portions Copyright (c) 2016, PostgreSQL Global Development Group + * Portions Copyright (c) 2016-2017, PostgreSQL Global Development Group * * Contains common routines required for masking a page. * diff --git a/src/backend/access/heap/heapam.c b/src/backend/access/heap/heapam.c index 0be48fb3ee1..af258366a20 100644 --- a/src/backend/access/heap/heapam.c +++ b/src/backend/access/heap/heapam.c @@ -9167,7 +9167,6 @@ heap_mask(char *pagedata, BlockNumber blkno) if (ItemIdIsNormal(iid)) { - HeapTupleHeader page_htup = (HeapTupleHeader) page_item; /* diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c index 2dcff7f54b5..f23e1086280 100644 --- a/src/backend/access/transam/xlog.c +++ b/src/backend/access/transam/xlog.c @@ -1360,6 +1360,16 @@ checkXLogConsistency(XLogReaderState *record) Assert(XLogRecHasBlockImage(record, block_id)); + if (XLogRecBlockImageApply(record, block_id)) + { + /* + * WAL record has already applied the page, so bypass the + * consistency check as that would result in comparing the full + * page stored in the record with itself. + */ + continue; + } + /* * Read the contents from the current buffer and store it in a * temporary page. @@ -1390,7 +1400,7 @@ checkXLogConsistency(XLogReaderState *record) /* * Read the contents from the backup copy, stored in WAL record and - * store it in a temporary page. There is not need to allocate a new + * store it in a temporary page. There is no need to allocate a new * page here, a local buffer is fine to hold its contents and a mask * can be directly applied on it. */ |