The old code would set *opid = InvalidOid to determine if the get_opclass_opfamily_and_input_type() worked or not. This means more moving parts that what's really needed here. Let's just fail immediately if the get_opclass_opfamily_and_input_type() lookup fails. Author: Paul A Jungwirth <pj@illuminatedcomputing.com> Reviewed-by: Neil Chen <carpenter.nail.cz@gmail.com> Discussion: https://postgr.es/m/CA+renyXOrjLacP_nhqEQUf2W+ZCoY2q5kpQCfG05vQVYzr8b9w@mail.gmail.com
PostgreSQL Database Management System
This directory contains the source code distribution of the PostgreSQL database management system.
PostgreSQL is an advanced object-relational database management system that supports an extended subset of the SQL standard, including transactions, foreign keys, subqueries, triggers, user-defined types and functions. This distribution also contains C language bindings.
Copyright and license information can be found in the file COPYRIGHT.
General documentation about this version of PostgreSQL can be found at https://www.postgresql.org/docs/devel/. In particular, information about building PostgreSQL from the source code can be found at https://www.postgresql.org/docs/devel/installation.html.
The latest version of this software, and related software, may be obtained at https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.