22027ERRORTier 3 — Handle with care✅ HIGH confidencetrim error
Category: Data ExceptionVersions: All Postgres versions
What this means
SQLSTATE 22027 is raised when arguments to the TRIM function are invalid. In practice this is rarely seen in Postgres as TRIM accepts a wide range of inputs.
Why it happens
- 1Invalid combination of arguments to the SQL-standard TRIM function
How to reproduce
TRIM function with invalid arguments.
trigger — this will ERROR
ERROR: trim error
Fix 1: Use correct TRIM syntax
When this error appears.
fix
SELECT TRIM(BOTH ' ' FROM ' hello '); -- valid form
SELECT LTRIM(' hello '); -- Postgres extensionWhy this works
TRIM accepts LEADING, TRAILING, or BOTH as the trim direction, followed by FROM and the target string.
Sources
📚 Official docs: https://www.postgresql.org/docs/current/errcodes-appendix.html
🔧 Source ref: Class 22 — Data Exception
Confidence assessment
✅ HIGH confidence
Standard SQLSTATE. Very rarely seen in Postgres practice.
See also
🔗 Related errors
📄 Reference pages
String FunctionsTRIM
⚙️ 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 →