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ORA-20000 from Data Pump Import (IMPDP) when PK Constraint does not Create a New Index (Doc ID 2679433.1)

Last updated on JULY 20, 2024

Applies to:

Oracle Database - Enterprise Edition - Version 19.1.0.0.0 and later
Information in this document applies to any platform.

Symptoms

While running Data Pump Import (IMPDP) with STATISTICS, the order of creating indexes and constraints allowed a primary key constraint to reference a user created index rather than creating a new index as it should.

 

A simplified test case:

 

Note:  It was reported that this issue also exists when the column order is the same, but the user created index has an extra column.

 

Changes

The database was upgraded to 19c release or higher.  The issue did not reproduce in 12.2 or 18c environments.

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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