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SQL Anywhere 17 » SQL Anywhere Server - Spatial Data Support » Spatial types and functions » ST_Geometry type

ST_IsEmpty method

Determines whether the geometry value represents an empty set.

Syntax 
geometry-expression.ST_IsEmpty()
Returns
  • BIT

    Returns 1 if the geometry value is empty, otherwise 0.
Standards
  • SQL/MM (ISO/IEC 13249-3: 2006)

    5.1.7

Example

The following example returns the result 1.

SELECT NEW ST_LineString().ST_IsEmpty()