ST_LENGTH
Syntax
ST_LENGTH(ls)
Description
Returns as a double-precision number the length of the
LineString value ls in its associated spatial reference.
Examples
SET @ls = 'LineString(1 1,2 2,3 3)'; SELECT ST_LENGTH(ST_GeomFromText(@ls)); +---------------------------------+ | ST_LENGTH(ST_GeomFromText(@ls)) | +---------------------------------+ | 2.82842712474619 | +---------------------------------+
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