The core PostgreSQL distribution includes the SP-GiST operator classes shown in Table 65.1.
Table 65.1. Built-in SP-GiST Operator Classes
| Name | Indexed Data Type | Indexable Operators |
|---|---|---|
kd_point_ops | point |
<<
<@
<^
>>
>^
~=
|
quad_point_ops | point |
<<
<@
<^
>>
>^
~=
|
range_ops | any range type |
&&
&<
&>
-|-
<<
<@
=
>>
@>
|
box_ops | box |
<<
&<
&&
&>
>>
~=
@>
<@
&<|
<<|
|>>
|&>
|
poly_ops | polygon |
<<
&<
&&
&>
>>
~=
@>
<@
&<|
<<|
|>>
|&>
|
text_ops | text |
<
<=
=
>
>=
~<=~
~<~
~>=~
~>~
^@
|
inet_ops | inet, cidr |
&&
>>
>>=
>
>=
<>
<<
<<=
<
<=
=
|
Of the two operator classes for type point,
quad_point_ops is the default. kd_point_ops
supports the same operators but uses a different index data structure which
may offer better performance in some applications.