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ORA-600 [mal0-size-too-large] [qosdInitExprCtx: expoff_qosdExprCtx] From Huge Number of UNION ALL (Doc ID 2690103.1)

Last updated on JULY 20, 2024

Applies to:

Oracle Database - Enterprise Edition - Version 12.2.0.1 and later
Information in this document applies to any platform.

Symptoms

ORA-600 [mal0-size-too-large] [qosdInitExprCtx: expoff_qosdExprCtx] is raised when running a very large SQL statement, having more than 10,000 UNION ALL clauses. 

Trace file shows function "qosdInitExprCtx" is on the stack. On other incidents, trace shows call stack kksmal0 <- kksmal <- qesdpSetRunTimeElements <- qkadrv2Post ....

 





Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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