62.2. Built-in Operator Classes
The corePostgreSQL distribution includes theSP-GiST operator classes shown inTable 62.1.
Table 62.1. Built-inSP-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 | <<==>>=~<=~~<~~>=~~>~ |
Of the two operator classes for typepoint,quad_point_ops is the default.kd_point_ops supports the same operators but uses a different index data structure that may offer better performance in some applications.