database/postgres
database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-06-10 09:21:54 +03:00
Code

Fix potential data corruption during freeze

Browse Source 
Fix oversight in 3b97e6823b94 bug fix. Bitwise AND is used instead of OR and
it cleans all bits in t_infomask heap tuple field.

Backpatch to 9.3
This commit is contained in:
Teodor Sigaev 2017-07-06 17:20:37 +03:00
parent fb63a0aa33
commit b90e4ca3ed
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/backend/access/heap/heapam.c
View File

@ -5929,7 +5929,7 @@ heap_prepare_freeze_tuple(HeapTupleHeader tuple, TransactionId cutoff_xid,
frz->t_infomask &= ~HEAP_XMAX_BITS;
frz->xmax = newxmax;
if (flags & FRM_MARK_COMMITTED)
frz->t_infomask &= HEAP_XMAX_COMMITTED;
frz->t_infomask |= HEAP_XMAX_COMMITTED;
changed = true;
}
else if (flags & FRM_RETURN_IS_MULTI)