rust/neon
1
0
Fork 0
mirror of https://github.com/neondatabase/neon.git synced 2026-01-10 15:02:56 +00:00
Code Issues Packages Projects Releases Wiki Activity

Update pgxn/neon/pagestore_smgr.c

Browse Source 
Co-authored-by: Heikki Linnakangas <heikki@neon.tech>
This commit is contained in:
Konstantin Knizhnik
2025-07-22 18:56:51 +03:00
committed by Konstantin Knizhnik
parent ec89876612
commit b36c02dda5
1 changed files with 4 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
pgxn/neon/pagestore_smgr.c
View File

@@ -1625,8 +1625,10 @@ neon_write(SMgrRelation reln, ForkNumber forknum, BlockNumber blocknum, const vo
}
if (relperst == NEON_RELPERSISTENCE_UNLOGGED_BUILD)
{
/* In case of unlogged build we need to avoid race condition at unlogged build end.
* Obtain shared lock here to prevent backend completing unlogged build from performing cleanup amnd remvong files.
/*
* A relation going through an unlogged build can complete the unlogged build at any time.
* To make sure that the backend performing the build doesn't complete and
* remove the underlying local file just when we are about to write it, acquire the lock.
*/
LWLockAcquire(finish_unlogged_build_lock, LW_SHARED);
is_locked = true;