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Insert Statement Stuck In Production System For Hours After Upgrading DB To 19.12 (Doc ID 2827285.1)

Last updated on FEBRUARY 10, 2022

Applies to:

Oracle Database - Enterprise Edition - Version 19.12.0.0.0 and later
Information in this document applies to any platform.

Symptoms

In 19.12, an INSERT statement that usually completes in  a second, took ~19 hours to complete. 
The insert uses the ignore_row_on_dupkey_index hint to allow the insert to complete if a unique key violation is encountered.

Changes

 The database was recently upgraded from 19.7 to 19.12

Cause

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In this Document
Symptoms
 ex)
 insert /*+ ignore_row_on_dupkey_index(TMDISCRETE_SID2,PK_TMDISCRETE_SID2) */ into Test  select * from Test_stage src;
Changes
Cause
Solution
References


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