ST_X

Returns the longitude (X coordinate) of a Point represented by a GEOMETRY or GEOGRAPHY object.

Syntax

ST_X(<geometry_or_geography>)

Arguments

Return Type

Double.

Examples

GEOMETRY examples

SELECT
  ST_X(
    ST_MAKEGEOMPOINT(
      37.5, 45.5
    )
  ) AS pipeline_x;

┌────────────┐
│ pipeline_x │
├────────────┤
│       37.5 │
└────────────┘

GEOGRAPHY examples

SELECT
  ST_X(
    ST_GEOGFROMWKT(
      'POINT(37.5 45.5)'
    )
  ) AS pipeline_x;

┌────────────┐
│ pipeline_x │
├────────────┤
│       37.5 │
└────────────┘