ST_PolygonFromText

Introduction: Construct a Polygon from Text, delimited by Delimiter. Path must be closed

Format: ST_PolygonFromText (Text: String, Delimiter: Char)

Since: v1.2.0

Example:

SELECT ST_PolygonFromText('-74.0428197,40.6867969,-74.0421975,40.6921336,-74.0508020,40.6912794,-74.0428197,40.6867969', ',')

Output:

POLYGON ((-74.0428197 40.6867969, -74.0421975 40.6921336, -74.050802 40.6912794, -74.0428197 40.6867969))