PG
PRO
23000ERRORTier 2 — Caution✅ HIGH confidence

integrity constraint violation

Category: Integrity Constraint ViolationVersions: All Postgres versions

What this means

SQLSTATE 23000 is the generic integrity constraint violation code. It is raised when a database constraint is violated but no more specific 23xxx subcode applies. Check the error detail for the specific constraint name.

Why it happens

  1. 1A generic constraint violation that does not map to a more specific code (23502, 23503, 23505, 23514, 23P01)

How to reproduce

Generic constraint violation.

trigger — this will ERROR
ERROR: integrity constraint violated

Fix 1: Inspect the DETAIL message to identify the violated constraint

When 23000 appears in application logs.

fix

Why this works

Postgres includes the constraint name and violating values in the DETAIL field. Use that to identify and fix the data or application logic.

Sources

📚 Official docs: https://www.postgresql.org/docs/current/errcodes-appendix.html

🔧 Source ref: Class 23 — Integrity Constraint Violation

Confidence assessment

✅ HIGH confidence

Standard SQLSTATE generic code. Stable across all versions.

See also

⚙️ This error reference was generated with AI assistance and reviewed for accuracy. Examples are provided to illustrate common scenarios and may not cover every case. Always test fixes in a development environment before applying to production. Spotted an error? Suggest a correction →