My Oracle Support Banner

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

Last updated on JUNE 07, 2022

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

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!


In this Document
Symptoms
Changes
Cause
Solution
References


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.