Internal Error ORA-600 [rwoirw: Check Ret Val] When Using Star Transformation
(Doc ID 1554911.1)
Last updated on AUGUST 24, 2020
Applies to:Oracle Database - Enterprise Edition - Version 184.108.40.206 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.
A query using star transformation fails with ORA-00600: internal error code, arguments: [rwoirw: check ret val], , , , , , , , , , , . The execution plan contains an INDEX JOIN operation, which will look similar to this:
Notice how, in lines seven through twelve, the hash joins involve exclusively index accesses, and they are all subordinate to a view with the name index$_join$_277 at line six.
You have STAR_TRANSFORMATION_ENABLED set to TRUE.
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