↑↓ select↵ open⌫ change scopeOpen full search

PG.CENTER connects PostgreSQL documentation, reference, and ecosystem knowledge. Maintained by Pigsty.

Wiki / Operators

<->(polygon,point)

distance between

Reading PG 18·Select a recorded version

1011121314151617181920
Left operand
polygon
Right operand
point
Result type
float8
Implementing function
dist_polyp(polygon,point)
Operator kind
Binary
Hash join candidate
no
Merge join candidate
no
aliases
<->, <->(polygon,point)
manual semantics
Source catalog description; no additional matching manual operator definition claimed
signature
<->(polygon,point) → float8
source oid
3289

Definition PG 18

distance between

Declared operator-family membership

Index AMFamilyStrategyPurposeOrdering family
GiSTpoly_ops15orderingfloat_ops
SP-GiSTpoly_ops15orderingfloat_ops

Compare versions

Complete source facts

memberships

map[description:distance between family:poly_ops family_slug:family-gist-poly_ops left_type:polygon method:gist operator:<->(polygon,point) operator_slug:op-3c2d3e-polygon-point purpose:ordering result_type:float8 right_type:point sort_family:float_ops sort_family_slug:family-btree-float_ops strategy:15], map[description:distance between family:poly_ops family_slug:family-spgist-poly_ops left_type:polygon method:spgist operator:<->(polygon,point) operator_slug:op-3c2d3e-polygon-point purpose:ordering result_type:float8 right_type:point sort_family:float_ops sort_family_slug:family-btree-float_ops strategy:15]

operator

{"commutator":"\u003c-\u003e(point,polygon)","function":"dist_polyp(polygon,point)","hash_join":"f","kind":"b","left_type":"polygon","merge_join":"f","negator":"","result_type":"float8","right_type":"point","symbol":"\u003c-\u003e"}

Source references

Full definition and evidence JSON

Definition sources

center · PostgreSQL 18 · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f

Text language: en · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f