HV00C
PostgreSQLERRORNotableForeign Data Wrapper ErrorHIGH confidence
fdw_invalid_option_index
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
trigger — this will error
CREATE FOREIGN TABLE ft (id int) SERVER myserver OPTIONS (opt1 'a', opt2 'b');
expected output
ERROR: HV00C: fdw_invalid_option_index
Fix
Update or reinstall the FDW extension
WHEN FDW code has an option indexing bug
Update or reinstall the FDW extension
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
Catalog corruption can result
Sources
Official documentation ↗
https://www.postgresql.org/docs/current/errcodes-appendix.html
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