Long Parse Time in Query Rewrite when Fix for Bug 19546825 is Applied
(Doc ID 2146410.1)
Last updated on FEBRUARY 20, 2019
Applies to:Oracle Database - Enterprise Edition - Version 18.104.22.168 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.
A SQL statement that uses query rewrite is running longer since applying a patch for <Bug 19546825> to fix ORA-1445 during query rewrite. Before applying the patch, the parse took less than 1 minute to parse; after applying the patch, the parse took over 20 minutes.
The short stack from a system state dump, or an errorstack taken from an oradebug might include the following:
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