Source data contains values outside the valid range defined by the constraint. CHECK constraint added to an existing column without validating existing data. Transformation logic introduced negative values in a column constrained to be positive

Step 1: Identify the constraint: `SELECT conname, consrc FROM pg_constraint WHERE contype = 'c' AND conrelid = ' '::regclass;`. Step 2: Add validation in the ETL pipeline to filter or clamp values to the allowed range.. Step 3: Review whether the constraint is still appropriate and consider relaxing it if business logic has changed.

Medium severitydata format

Power BI Refresh Error:
23514

What does this error mean?

A CHECK constraint rejected an INSERT or UPDATE because the value did not satisfy the defined condition.

Common causes

1Source data contains values outside the valid range defined by the constraint
2CHECK constraint added to an existing column without validating existing data
3Transformation logic introduced negative values in a column constrained to be positive

How to fix it

1Step 1: Identify the constraint: `SELECT conname, consrc FROM pg_constraint WHERE contype = 'c' AND conrelid = '<table>'::regclass;`
2Step 2: Add validation in the ETL pipeline to filter or clamp values to the allowed range.
3Step 3: Review whether the constraint is still appropriate and consider relaxing it if business logic has changed.

Frequently asked questions

How do I prevent 23514 errors in automated pipelines?

Add retry logic with exponential backoff, validate data quality before loading, and monitor pipeline failures in MetricSign to catch this error early.

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