Syntax\n------\n\nST_IsRing(g)\nIsRing(g)\n\nDescription\n-----------\n\nReturns true if a given LINESTRING is a ring, that is, both ST_IsClosed and ST_IsSimple. A simple curve does not pass through the same point more than once. However, see MDEV-7510.\n\nSt_IsRing() and IsRing() are synonyms.\n\nURL: https://mariadb.com/docs/server/reference/sql-statements/geometry-constructors/geometry-properties/st_isring