0Z000
PostgreSQLERRORCriticalDiagnostics ExceptionHIGH confidence
diagnostics exception
What this means
SQLSTATE 0Z000 is the generic diagnostics exception code. It is raised when an error occurs in the context of processing diagnostic information (e.g., GET DIAGNOSTICS in PL/pgSQL).
Why it happens
- 1Error while processing GET DIAGNOSTICS or similar diagnostic retrieval in a PL/pgSQL block
How to reproduce
Invalid use of GET DIAGNOSTICS.
expected output
ERROR: diagnostics exception
Fix
Review GET DIAGNOSTICS usage in PL/pgSQL
WHEN When 0Z000 surfaces in a stored procedure.
Review GET DIAGNOSTICS usage in PL/pgSQL
GET DIAGNOSTICS row_count = ROW_COUNT;
Why this works
Ensure GET DIAGNOSTICS is used after a DML statement and targets valid diagnostic items.
Sources
Official documentation ↗
Class 0Z — Diagnostics Exception
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