UNION Query on JSON Data Fails with ORA-00904 After Upgrade to 19c
(Doc ID 2770313.1)
Last updated on APRIL 20, 2021
Applies to:Oracle Database - Enterprise Edition - Version 184.108.40.206.0 and later
Information in this document applies to any platform.
After upgrade to 19c, a UNION query on JSON data fails with the following error if a VPD policy exists on the JSON column:
ORA-904: invalid identifier
The two queries executed separately run fine.
The UNION query does not fail if the VPD policy is disabled.
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