ISRING()

EXAMPLES

SET @ls = 'LineString(1 1,2 2,3 3,2 2,1 1)';
SELECT IsRing(ST_GeomFromText(@ls));
+------------------------------+
| IsRing(ST_GeomFromText(@ls)) |
+------------------------------+
|                            0 |
+------------------------------+
SET @ls = ST_LineFromText('LINESTRING(0 0,0 10,10 10,0 0)');
SELECT IsRing(ST_LineFromText(@ls));
+------------------------------+
| IsRing(ST_LineFromText(@ls)) |
+------------------------------+
|                           -1 |
+------------------------------+

CHANGE HISTORY

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.

EXTERNAL REFERENCES