64.2. Built-in Operator Classes

The core PostgreSQL distribution includes the GIN operator classes shown in Table 64.1. (Some of the optional modules described in Appendix F provide additional GIN operator classes.)

Table 64.1. Built-in GIN Operator Classes

NameIndexed Data TypeIndexable Operators
array_opsanyarray&& <@ = @>
jsonb_opsjsonb? ?& ?| @>
jsonb_path_opsjsonb@>
tsvector_opstsvector@@ @@@

Of the two operator classes for type jsonb , jsonb_ops is the default. jsonb_path_ops supports fewer operators but offers better performance for those operators. See Section 8.14.4 for details.