ST_LineString(LONG VARCHAR[, INT]) constructor

NEW ST_LineString(text-representation[, srid])

Name	Type	Description
text-representation	LONG VARCHAR	A string containing the text representation of a linestring. The input can be in any supported text input format, including Well Known Text (WKT) or Extended Well Known Text (EWKT).
srid	INT	The SRID of the result. If not specified, the default is 0.

Constructs a linestring from a character string representation. The database server determines the input format by inspecting the provided string.

The following returns LineString (0 0, 5 10).

SELECT NEW ST_LineString('LineString (0 0, 5 10)')