Built-in Operator Classes
| PostgreSQL 9.5.15 Documentation | |||
|---|---|---|---|
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The core PostgreSQL distribution includes the SP-GiST operator classes shown in Table 60-1 .
Table 60-1. 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 | && &< &> -|- << <@ = >> @> |
| text_ops | text | < <= = > >= ~<=~ ~<~ ~>=~ ~>~ |
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.