ST_CircularString(LONG BINARY[, INT]) constructor

NEW ST_CircularString(wkb[, srid])

Name	Type	Description
wkb	LONG BINARY	A string containing the binary representation of an circular string. The input can be in any supported binary input format, including WKB or EWKB.
srid	INT	The SRID of the result. If not specified, the default is 0.

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

The following returns CircularString (5 10, 10 12, 15 10)

SELECT NEW ST_CircularString(0x01080000000300000000000000000014400000000000002440000000000000244000000000000028400000000000002e400000000000002440)