ST_CircularString(LONG VARCHAR[, INT]) constructor

Syntax

NEW ST_CircularString(LONG VARCHAR text_representation[, INT srid])

Parameters

• text_representation – A string containing the text representation of a circularstring. The input can be in any supported text input format, including Well Known Text (WKT) or Extended Well Known Text (EWKT).
• srid – The SRID of the result. If not specified, the default is 0.

Returns

ST_CircularString Returns an ST_CircularString value constructed from the source string.

Examples

• Example 1 – The following returns CircularString (5 10, 10 12, 15 10).

  SELECT NEW ST_CircularString('CircularString (5 10, 10 12, 15 10)')

  The following example shows a circularstring with two semi-circle segments.

  SELECT NEW ST_CircularString('CircularString (0 4, 2.5 6.5, 5 4, 7.5 1.5, 10 4)') CS

  Example of a circularstring with two semi-circle segments

Standards

SQL/MM (ISO/IEC 13249-3: 2006) 7.3.2