65.2. Built-in Operator Classes
The core PostgreSQL distribution includes the SP-GiST operator classes shown in Table 63.1.

Table 63.1. 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
<< &< && &> >> ~= @> <@ &<| <<| |>> |&>
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.
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