https://docs.postgresql.fr/16/catalog-pg-opfamily.html
53.35. pg_opfamily
pg
https://docs.pgedge.com/postgresql/v18/internals/system-catalogs/pg_opfamily/
`pg_opfamily` - pgEdge Documentation
pgEdge provides open source enterprise PostgreSQL for distributed and non-distributed applications to achieve high availability and reduce data latency.
pgdocumentation