HV00CERRORTier 2 — Caution✅ HIGH confidence

fdw_invalid_option_index

Category: Foreign Data Wrapper ErrorVersions: PostgreSQL 9.1+

What this means

A foreign data wrapper encountered an invalid option index when iterating or accessing FDW options, indicating an internal indexing error in the FDW implementation.

Why it happens

1FDW option array accessed with an out-of-bounds index
2Internal FDW code bug — option count mismatch
3FDW validator function received unexpected option count

How to reproduce

FDW option validation during CREATE SERVER, CREATE FOREIGN TABLE, or ALTER statements

trigger — this will ERROR

CREATE FOREIGN TABLE ft (id int) SERVER myserver OPTIONS (opt1 'a', opt2 'b');

ERROR: HV00C: fdw_invalid_option_index

Fix 1: Update or reinstall the FDW extension

FDW code has an option indexing bug

fix

ALTER EXTENSION postgres_fdw UPDATE;

Why this works

Replaces FDW code with a corrected version that handles option indices properly

What not to do

✗

Do not manually edit FDW system catalogs to work around option index errors

Why it's wrong: Catalog corruption can result

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.