ST_CurveToLine method for type ST_Curve

ST_CurveToLine method for type ST_Curve

Returns the ST_LineString approximation of an ST_Curve value.

Note

By default, ST_CurveToLine uses the original format for a geometry, if it is available. Otherwise, the internal format is used. For more information about internal and original formats, see STORAGE FORMAT clause, CREATE SPATIAL REFERENCE SYSTEM statement.

Syntax

curve-expression.ST_CurveToLine()

Returns

ST_LineString If the curve value is empty, returns an empty set of type ST_LineString. Otherwise, returns an approximation of the curve as a linestring
The spatial reference system identifier of the result is the same as the spatial reference system of the curve-expression.

Standards and compatibility

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