False FK violation could be reported when attachment used
isc_no_garbage_collect flag
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Key: CORE-5110
URL: http://tracker.firebirdsql.org/browse/CORE-5110
Project: Firebird Core
Issue Type: Bug
Components: Engine
Affects Versions: 2.5.5, 3.0 RC1, 3.0 Beta 2, 2.5.4, 2.5.3 Update 1, 3.0
Beta 1, 2.5.3, 3.0 Alpha 2, 3.0 Alpha 1, 2.5.2 Update 1, 2.5.2, 2.5.1, 2.5.0
Reporter: Vlad Khorsun
isc_dpb_no_garbage_collect flag is respected by constraint checking code and
false "key violation" error could be reported.
Possible scenario:
tx1: insert key 1
tx1: rollback
tx2: insert key 1
violation of PRIMARY or UNIQUE KEY constraint
The case was reported by IBPhoenix customer
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