<->(point,point)

distance between

Reading PostgreSQL 18.6.

Description

distance between

Left operand: point
Right operand: point
Result type: float8
Implementing function: point_distance(point,point)
Operator kind: Binary
Hash join candidate: no
Merge join candidate: no

Usage

<->(point,point) → float8

Catalog interpretation

The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 36.14 for more information.

Declared operator-family membership

Index AM	Family	Strategy	Purpose	Ordering family
GiST	point_ops	15	ordering	float_ops
SP-GiST	quad_point_ops	15	ordering	float_ops
SP-GiST	kd_point_ops	15	ordering	float_ops

Related entries

Documentation and source

Source build

Version: 18.6
Build: https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2
Source fingerprint: 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f

Compare versions

PostgreSQL 11 → 12: changed.

--- PostgreSQL 11
+++ PostgreSQL 12
@@ -4,6 +4,26 @@
       "family": "point_ops",
       "left_type": "point",
       "method": "gist",
+      "operator": "<->(point,point)",
+      "purpose": "ordering",
+      "right_type": "point",
+      "sort_family": "float_ops",
+      "strategy": "15"
+    },
+    {
+      "family": "kd_point_ops",
+      "left_type": "point",
+      "method": "spgist",
+      "operator": "<->(point,point)",
+      "purpose": "ordering",
+      "right_type": "point",
+      "sort_family": "float_ops",
+      "strategy": "15"
+    },
+    {
+      "family": "quad_point_ops",
+      "left_type": "point",
+      "method": "spgist",
       "operator": "<->(point,point)",
       "purpose": "ordering",
       "right_type": "point",

Compares recorded interfaces and attributes. Source fingerprints and build metadata are excluded; an absent sample is not proof of the introduction or removal release.

Related entries

Export JSON · Back to Operators · Recorded in PostgreSQL 10 through 20; the first sample is not necessarily its introduction.