The core PostgreSQL distribution includes the GIN operator classes shown in Table 66.1. (Some of the optional modules described in Appendix F provide additional GIN operator classes.)
Table 66.1. Built-in GIN Operator Classes
| Name | Indexed Data Type | Indexable Operators |
|---|---|---|
array_ops | anyarray |
&&
<@
=
@>
|
jsonb_ops | jsonb |
?
?&
?|
@>
@?
@@
|
jsonb_path_ops | jsonb |
@>
@?
@@
|
tsvector_ops | tsvector |
@@
@@@
|
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.