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65468cc705
In serializable mode, heap_hot_search_buffer() incorrectly acquired a predicate lock on the root tuple, not the returned tuple that satisfied the visibility checks. As explained in README-SSI, the predicate lock does not need to be copied or extended to other tuple versions, but for that to work, the correct, visible, tuple version must be locked in the first place. The original SSI commit had this bug in it, but it was fixed back in 2013, in commit81fbbfe335. But unfortunately, it was reintroduced a few months later in commitb89e151054. Wising up from that, add a regression test to cover this, so that it doesn't get reintroduced again. Also, move the code that sets 't_self', so that it happens at the same time that the other HeapTuple fields are set, to make it more clear that all the code in the loop operate on the "current" tuple in the chain, not the root tuple. Bug spotted by Andres Freund, analysis and original fix by Thomas Munro, test case and some additional changes to the fix by Heikki Linnakangas. Backpatch to all supported versions (9.4). Discussion: https://www.postgresql.org/message-id/20190731210630.nqhszuktygwftjty%40alap3.anarazel.de
71 lines
1.6 KiB
Text
71 lines
1.6 KiB
Text
test: read-only-anomaly
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test: read-only-anomaly-2
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test: read-only-anomaly-3
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test: read-write-unique
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test: read-write-unique-2
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test: read-write-unique-3
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test: read-write-unique-4
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test: simple-write-skew
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test: receipt-report
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test: temporal-range-integrity
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test: project-manager
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test: classroom-scheduling
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test: total-cash
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test: referential-integrity
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test: ri-trigger
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test: partial-index
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test: two-ids
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test: multiple-row-versions
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test: index-only-scan
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test: predicate-lock-hot-tuple
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test: deadlock-simple
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test: deadlock-hard
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test: deadlock-soft
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test: deadlock-soft-2
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test: fk-contention
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test: fk-deadlock
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test: fk-deadlock2
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test: eval-plan-qual
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test: lock-update-delete
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test: lock-update-traversal
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test: inherit-temp
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test: insert-conflict-do-nothing
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test: insert-conflict-do-nothing-2
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test: insert-conflict-do-update
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test: insert-conflict-do-update-2
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test: insert-conflict-do-update-3
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test: insert-conflict-toast
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test: insert-conflict-specconflict
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test: delete-abort-savept
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test: delete-abort-savept-2
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test: aborted-keyrevoke
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test: multixact-no-deadlock
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test: multixact-no-forget
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test: lock-committed-update
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test: lock-committed-keyupdate
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test: update-locked-tuple
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test: propagate-lock-delete
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test: tuplelock-conflict
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test: tuplelock-update
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test: tuplelock-upgrade-no-deadlock
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test: freeze-the-dead
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test: nowait
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test: nowait-2
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test: nowait-3
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test: nowait-4
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test: nowait-5
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test: skip-locked
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test: skip-locked-2
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test: skip-locked-3
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test: skip-locked-4
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test: drop-index-concurrently-1
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test: multiple-cic
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test: alter-table-1
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test: alter-table-2
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test: alter-table-3
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test: alter-table-4
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test: create-trigger
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test: sequence-ddl
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test: async-notify
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test: vacuum-reltuples
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test: timeouts
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