Problem With Push Predicate On Partition View Join (Doc ID 463406.1)

Last updated on AUGUST 16, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.3 to 11.2.0.2.0 [Release 10.2 to 11.2]
Information in this document applies to any platform.

Symptoms

With a query of the form:

SELECT *
FROM T1 ,T2 ,
   (SELECT T3.a, T3.b
    FROM T3
    UNION ALL
    SELECT T4.a, T4.b
    FROM T4
    ) V
WHERE T1.a = V.a
AND T2.c = V.b


Predicates are not pushed into a union all view unless a PUSH_PRED hint is specified.

Changes

 

Cause

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