ST_YMIN

Introduced or updated: v1.2.512

Returns the minimum latitude (Y coordinate) of all points contained in the specified GEOMETRY object.

Syntax

ST_YMIN(<geometry>)

Arguments

Arguments	Description
<geometry>	The argument must be an expression of type GEOMETRY.

Return Type

Double.

Examples

SELECT
  ST_YMIN(
    TO_GEOMETRY(
      'GEOMETRYCOLLECTION(POINT(-180 -10),LINESTRING(-179 0, 179 30),POINT EMPTY)'
    )
  ) AS pipeline_ymin;

┌───────────────┐
│ pipeline_ymin │
├───────────────┤
│           -10 │
└───────────────┘

SELECT
  ST_YMIN(
    TO_GEOMETRY(
      'GEOMETRYCOLLECTION(POINT(180 0),LINESTRING(-60 -30, 60 30),POLYGON((40 40,20 45,45 30,40 40)))'
    )
  ) AS pipeline_ymin;

┌───────────────┐
│ pipeline_ymin │
├───────────────┤
│           -30 │
└───────────────┘