66.2. Built-in Operator Classes
The corePostgreSQL distribution includes theGIN operator classes shown inTable 66.1. (Some of the optional modules described inAppendix F provide additionalGIN operator classes.) Table 66.1. Built-inGIN Operator Classes Of the two operator classes for typeName Indexed Data Type Indexable Operators array_opsanyarray&&<@=@>jsonb_opsjsonb??&?|@>jsonb_path_opsjsonb@>tsvector_opstsvector@@@@@jsonb,jsonb_ops is the default.jsonb_path_ops supports fewer operators but offers better performance for those operators. SeeSection 8.14.4 for details.