ST_LENGTH()

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Overview

Returns as a double-precision number the length of the LineString value.

SET @var = ST_GeomFromText('LineString(1 2,2 3,3 4)');
SELECT ST_Length(@var);

+--------------------+
| ST_Length(@var)    |
+--------------------+
| 2.8284271247461903 |
+--------------------+

SET @var = ST_GeomFromText('MultiLineString((1 2,2 3,3 4),(4 5,5 6),(6 7,7 8,8 9))');
SELECT ST_Length(@var);

+--------------------+
| ST_Length(@var)    |
+--------------------+
| 7.0710678118654755 |
+--------------------+

Release Series	History
10.6 Enterprise	Present starting in MariaDB Enterprise Server 10.6.4-1.
10.6 Community	Present starting in MariaDB Community Server 10.6.0.
10.5 Enterprise	Present starting in MariaDB Enterprise Server 10.5.3-1.
10.5 Community	Present starting in MariaDB Community Server 10.5.0.
10.4 Enterprise	Present starting in MariaDB Enterprise Server 10.4.6-1.
10.4 Community	Present starting in MariaDB Community Server 10.4.0.
10.3 Enterprise	Present starting in MariaDB Enterprise Server 10.3.16-1.
10.3 Community	Present starting in MariaDB Community Server 10.3.0.
10.2 Enterprise	Present starting in MariaDB Enterprise Server 10.2.25-1.
10.2 Community	Present starting in MariaDB Community Server 10.2.0.

Release Series	History
10.6 Enterprise	Present starting in MariaDB Enterprise Server 10.6.4-1.
10.5 Enterprise	Present starting in MariaDB Enterprise Server 10.5.3-1.
10.4 Enterprise	Present starting in MariaDB Enterprise Server 10.4.6-1.

Additional information on this topic may be found in the MariaDB Public Knowledge Base.