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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2001-07-16 22:43:34 +0000 |
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| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2001-07-16 22:43:34 +0000 |
| commit | ed5c4e4a14e9f9f4b818521b943bace0d5cd1e01 (patch) | |
| tree | 5604b1a45b9f52df7e6d278a6b88f38b1dbfb633 /src/tutorial/advanced.source | |
| parent | ffbd97c8ac4bb9ebfdc63e4b2156c2b263dd0786 (diff) | |
| download | postgresql-ed5c4e4a14e9f9f4b818521b943bace0d5cd1e01.tar.gz postgresql-ed5c4e4a14e9f9f4b818521b943bace0d5cd1e01.zip | |
Improve documentation about reasoning behind the order of operations
in GetSnapshotData, GetNewTransactionId, CommitTransaction, AbortTransaction,
etc. Correct race condition in transaction status testing in
HeapTupleSatisfiesVacuum --- this wasn't important for old VACUUM with
exclusive lock on its table, but it sure is important now. All per
pghackers discussion 7/11/01 and 7/12/01.
Diffstat (limited to 'src/tutorial/advanced.source')
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