64.2. Built-in Operator Classes
The core Postgres Pro distribution includes the SP-GiST operator classes shown in Table 64.1.
Table 64.1. 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. 

