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Fix potential data corruption during freeze

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Fix oversight in 3b97e6823b 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 17:20:17 +03:00
parent 90630a6ad1
commit fb2d385e65
1 changed files with 1 additions and 1 deletions
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src/backend/access/heap/heapam.c
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@ -6313,7 +6313,7 @@ heap_prepare_freeze_tuple(HeapTupleHeader tuple, TransactionId cutoff_xid,
frz->t_infomask &= ~HEAP_XMAX_BITS; frz->t_infomask &= ~HEAP_XMAX_BITS;
frz->xmax = newxmax; frz->xmax = newxmax;
if (flags & FRM_MARK_COMMITTED) if (flags & FRM_MARK_COMMITTED)
frz->t_infomask &= HEAP_XMAX_COMMITTED; frz->t_infomask |= HEAP_XMAX_COMMITTED;
changed = true; changed = true;
} }
else if (flags & FRM_RETURN_IS_MULTI) else if (flags & FRM_RETURN_IS_MULTI)