elasticsearch/docs/reference/esql/functions/parameters/st_distance.asciidoc

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// This is generated by ESQL's AbstractFunctionTestCase. Do no edit it. See ../README.md for how to regenerate it.
*Parameters*
`geomA`::
Expression of type `geo_point` or `cartesian_point`. If `null`, the function returns `null`.
`geomB`::
Expression of type `geo_point` or `cartesian_point`. If `null`, the function returns `null`. The second parameter must also have the same coordinate system as the first. This means it is not possible to combine `geo_point` and `cartesian_point` parameters.