Parallel Query Returns Wrong Results (Fewer Rows) When CONCATENATION In Plan
(Doc ID 1352777.1)
Last updated on FEBRUARY 28, 2019
Applies to:Oracle Database - Enterprise Edition - Version 18.104.22.168 and later
Information in this document applies to any platform.
A parallel query returned wrong results (fewer rows) after upgrading from 10.2.0.5 to 22.214.171.124.
The wrong-results plan showed both a serial and parallel branch under the CONCATENATION operation.
Turning off fix control for Bug 9732434 verified the match to this bug:
Upgrade from 10.2.0.5 to 126.96.36.199.
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