Converts shapes of the GEOGRAPHY data type to the Well-Known Text (WKT) format.

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Syntax

ST_ASTEXT(<object>)

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Parameters

ParameterDescriptionSupported input types
<object>The GEOGRAPHY object to convert to WKT format.GEOGRAPHY

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Return Type

ST_ASTEXT returns a value of type TEXT.

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Example

The following code example creates a GEOGRAPHY object from the WKT representation of a Point at specified longitude and latitude coordinates and converts it to WKT format: 
SELECT ST_ASTEXT(ST_GEOGFROMTEXT('POINT(-73.98551041593687 40.75793403395676)')) AS result
Returns
result (TEXT)
‘POINT(-73.98551041593687 40.75793403395676)’