34 lines
674 B
Plaintext
34 lines
674 B
Plaintext
[discrete]
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[[esql-st_x]]
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=== `ST_X`
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experimental::[]
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*Syntax*
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[.text-center]
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image::esql/functions/signature/st_x.svg[Embedded,opts=inline]
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*Parameters*
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`point`::
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Expression of type `geo_point` or `cartesian_point`. If `null`, the function returns `null`.
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*Description*
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Extracts the `x` coordinate from the supplied point.
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If the points is of type `geo_point` this is equivalent to extracting the `longitude` value.
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include::types/st_x.asciidoc[]
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*Example*
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[source.merge.styled,esql]
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----
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include::{esql-specs}/spatial.csv-spec[tag=st_x_y]
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----
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[%header.monospaced.styled,format=dsv,separator=|]
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|===
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include::{esql-specs}/spatial.csv-spec[tag=st_x_y-result]
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|===
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