Built-in Operator Classes

56.2. Built-in Operator Classes

The core PostgreSQL distribution includes the GiST operator classes shown in Table 56-1. (Some of the optional modules described in Appendix F provide additional GiST operator classes.)

Table 56-1. Built-in GiST Operator Classes

名前Indexed Data TypeIndexable OperatorsOrdering Operators
box_opsbox && &> &< &<| >> << <<| <@ @> @ |&> |>> ~ ~=  
circle_opscircle && &> &< &<| >> << <<| <@ @> @ |&> |>> ~ ~=  
inet_opsinet, cidr && >> >>= > >= <> << <<= < <= =  
point_opspoint >> >^ << <@ <@ <@ <^ ~= <->
poly_opspolygon && &> &< &<| >> << <<| <@ @> @ |&> |>> ~ ~=  
range_opsany range type && &> &< >> << <@ -|- = @> @>  
tsquery_opstsquery <@ @>  
tsvector_opstsvector @@  

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);