PostgreSQL: Documentation: 11: 65.2. Built-in Operator Classes

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65.2. Built-in Operator Classes
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65.2. Built-in Operator Classes

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 that may offer better performance in some applications.

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