inherited_table_names

# File activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb, line 204
        def inherited_table_names(table_name) # :nodoc:
          scope = quoted_scope(table_name, type: "BASE TABLE")

          query_values(<<~SQL, "SCHEMA")
            SELECT parent.relname
            FROM pg_catalog.pg_inherits i
              JOIN pg_catalog.pg_class child ON i.inhrelid = child.oid
              JOIN pg_catalog.pg_class parent ON i.inhparent = parent.oid
              LEFT JOIN pg_namespace n ON n.oid = child.relnamespace
            WHERE child.relname = #{scope[:name]}
              AND child.relkind IN (#{scope[:type]})
              AND n.nspname = #{scope[:schema]}
          SQL
        end