ST_YMIN

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

Syntax

ST_YMIN(<geometry_or_geography>)

Arguments

Return Type

Double.

Examples

GEOMETRY 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 │
└───────────────┘

GEOGRAPHY examples

SELECT
  ST_YMIN(
    ST_GEOGFROMWKT(
      'LINESTRING(-179 10, 179 22)'
    )
  ) AS pipeline_ymin;

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