61.2. Built-in Operator Classes

The core PostgreSQL distribution includes the GiST operator classes shown in Table 61-1. (Some of the optional modules described in Appendix F provide additional GiST operator classes.)

Table 61-1. Built-in GiST Operator Classes

Name	Indexed Data Type	Indexable Operators	Ordering Operators
`box_ops`	`box`	`&&` `&>` `&<` `&<\|` `>>` `<<` `<<\|` `<@` `@>` `@` `\|&>` `\|>>` `~` `~=`
`circle_ops`	`circle`	`&&` `&>` `&<` `&<\|` `>>` `<<` `<<\|` `<@` `@>` `@` `\|&>` `\|>>` `~` `~=`	`<->`
`inet_ops`	`inet`, `cidr`	`&&` `>>` `>>=` `>` `>=` `<>` `<<` `<<=` `<` `<=` `=`
`point_ops`	`point`	`>>` `>^` `<<` `<@` `<@` `<@` `<^` `~=`	`<->`
`poly_ops`	`polygon`	`&&` `&>` `&<` `&<\|` `>>` `<<` `<<\|` `<@` `@>` `@` `\|&>` `\|>>` `~` `~=`	`<->`
`range_ops`	any range type	`&&` `&>` `&<` `>>` `<<` `<@` `-\|-` `=` `@>` `@>`
`tsquery_ops`	`tsquery`	`<@` `@>`
`tsvector_ops`	`tsvector`	`@@`

For historical reasons, the inet_ops operator class is not the default class for types inet and cidr. To use it, mention the class name in CREATE INDEX, for example

CREATE INDEX ON my_table USING GIST (my_inet_column inet_ops);

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