ST_DISTANCE
Introduced or updated: v1.2.555
Returns the minimum Euclidean distance between two GEOMETRY objects.
Syntax
ST_DISTANCE(<geometry1>, <geometry2>)
Arguments
Arguments | Description |
---|---|
<geometry1> | The argument must be an expression of type GEOMETRY and must contain a Point. |
<geometry2> | The argument must be an expression of type GEOMETRY and must contain a Point. |
note
- Returns NULL if one or more input points are NULL.
- The function reports an error if the two input GEOMETRY objects have different SRIDs.
Return Type
Double.
Examples
SELECT
ST_DISTANCE(
TO_GEOMETRY('POINT(0 0)'),
TO_GEOMETRY('POINT(1 1)')
) AS distance
┌─────────────┐
│ distance │
├─────────────┤
│ 1.414213562 │
└─────────────┘