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| author | Peter Geoghegan | 2020-12-31 01:21:42 +0000 |
|---|---|---|
| committer | Peter Geoghegan | 2020-12-31 01:21:42 +0000 |
| commit | 32d6287d2eef6b6a4dde07e0513f3e4f321792ad (patch) | |
| tree | bddd63a29085f10a2305c7b0327d8434374865de /src | |
| parent | 422881744997417944634a7f84af7a66a608de9a (diff) | |
Get heap page max offset with buffer lock held.
On further reflection it seems better to call PageGetMaxOffsetNumber()
after acquiring a buffer lock on the page. This shouldn't really
matter, but doing it this way is cleaner.
Follow-up to commit 42288174.
Backpatch: 12-, just like commit 42288174
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/access/heap/heapam.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/backend/access/heap/heapam.c b/src/backend/access/heap/heapam.c index da27903cb4c..26c2006f23c 100644 --- a/src/backend/access/heap/heapam.c +++ b/src/backend/access/heap/heapam.c @@ -7075,10 +7075,10 @@ heap_compute_xid_horizon_for_tuples(Relation rel, xid_horizon_prefetch_buffer(rel, &prefetch_state, 1); #endif + LockBuffer(buf, BUFFER_LOCK_SHARE); + page = BufferGetPage(buf); maxoff = PageGetMaxOffsetNumber(page); - - LockBuffer(buf, BUFFER_LOCK_SHARE); } /* |