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| author | Alexander Korotkov <akorotkov@postgresql.org> | 2024-02-08 12:45:26 +0200 |
|---|---|---|
| committer | Alexander Korotkov <akorotkov@postgresql.org> | 2024-02-09 12:39:42 +0200 |
| commit | 18388291aab8038b6abb6a9109ab6763e7a5b630 (patch) | |
| tree | f6caa04fd4d6fe0274d954ad610872127de18079 /src/interfaces/ecpg/ecpglib/misc.c | |
| parent | d1a2a93766b0a27eb4ffecdb63ed3879088dbfbe (diff) | |
| download | postgresql-18388291aab8038b6abb6a9109ab6763e7a5b630.tar.gz postgresql-18388291aab8038b6abb6a9109ab6763e7a5b630.zip | |
Fix wrong logic in TransactionIdInRecentPast()
The TransactionIdInRecentPast() should return false for all the transactions
older than TransamVariables->oldestClogXid. However, the function contains
a bug in comparison FullTransactionId to TransactionID allowing full
transactions between nextXid - 2^32 and oldestClogXid - 2^31.
This commit fixes TransactionIdInRecentPast() by turning the oldestClogXid into
FullTransactionId first, then performing the comparison.
Backpatch to all supported versions.
Reported-by: Egor Chindyaskin
Bug: 18212
Discussion: https://postgr.es/m/18212-547307f8adf57262%40postgresql.org
Author: Karina Litskevich
Reviewed-by: Kyotaro Horiguchi
Backpatch-through: 12
Diffstat (limited to 'src/interfaces/ecpg/ecpglib/misc.c')
0 files changed, 0 insertions, 0 deletions