HV00LERRORTier 2 — Caution✅ HIGH confidencefdw_unable_to_create_execution
Category: Foreign Data Wrapper ErrorVersions: PostgreSQL 9.1+
What this means
A foreign data wrapper was unable to create an execution context or statement on the remote server, preventing the query from running.
Why it happens
- 1Remote server rejected the statement preparation request
- 2Insufficient privileges on the remote server to execute the query
- 3Remote server resource limits reached (max connections, max prepared statements)
- 4FDW internal error creating the execution environment
How to reproduce
Initiating a query against a foreign table
trigger — this will ERROR
SELECT * FROM my_foreign_table WHERE id = 1;ERROR: HV00L: fdw_unable_to_create_execution
Fix 1: Check remote server permissions and resources
Remote server rejects execution
fix
SELECT * FROM pg_user_mappings WHERE srvname = 'myserver';Why this works
Ensures the mapped user has SELECT privileges on the remote tables
What not to do
✗
Do not ignore this error as transient
Why it's wrong: Usually indicates a persistent permission or resource problem on the remote server
Sources
📚 Official docs: https://www.postgresql.org/docs/current/fdw-error-handling.html
🔧 Source ref: https://www.postgresql.org/docs/current/errcodes-appendix.html
Confidence assessment
✅ HIGH confidence
Standard FDW error code from official PostgreSQL appendix.
See also
🔗 Related errors
📄 Reference pages
postgres_fdw documentation
⚙️ 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 →