ES|QL ST_X function
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Serverless
Generally available
Stack
Generally available
Extracts the x coordinate from the supplied point.
point-
Expression of type
geo_pointorcartesian_point. Ifnull, the function returnsnull.
Extracts the x coordinate from the supplied point. If the point is of type geo_point this is equivalent to extracting the longitude value.
| point | result |
|---|---|
| cartesian_point | double |
| geo_point | double |
ROW point = TO_GEOPOINT("POINT(42.97109629958868 14.7552534006536)")
| EVAL x = ST_X(point), y = ST_Y(point)
| point:geo_point | x:double | y:double |
|---|---|---|
| POINT(42.97109629958868 14.7552534006536) | 42.97109629958868 | 14.7552534006536 |