ORA-01400: CANNOT INSERT NULL OCCURS WITH MERGE STATEMENT AND ENABLE_PARALLEL_DML HINT
(Doc ID 2780617.1)
Last updated on JUNE 13, 2021
Applies to:Oracle Database - Enterprise Edition - Version 126.96.36.199.0 and later
Information in this document applies to any platform.
MERGE statement fails with:
ORA-12801: error signaled in parallel query server P007,ORA-01400: cannot insert NULL
Issue started after upgrading from 188.8.131.52 to 19.8.
Issue seen ONLY when parallel DDL is enabled and value coming from sequence
A PDML merge statement that accesses sequences in its insert or update portions and those sequences are returning NULL instead of sequence values.
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