构造函数
- ST_BdPolyFromText
- ST_BdMPolyFromText
- ST_Box2dFromGeoHash
- ST_GeogFromText
- ST_GeographyFromText
- ST_GeogFromWKB
- ST_GeomFromTWKB
- ST_GeomCollFromText
- ST_GeomFromEWKB
- ST_GeomFromEWKT
- ST_GeometryFromText
- ST_GeomFromText
- ST_GeomFromGeoHash
- ST_GeomFromGML
- ST_GeomFromGeoJSON
- ST_GeomFromKML
- ST_GMLToSQL
- ST_GeomFromWKB
- ST_LineFromEncodedPolyline
- ST_LineFromMultiPoint
- ST_LineFromText
- ST_LineFromWKB
- ST_LinestringFromWKB
- ST_MakeBox2D
- ST_3DMakeBox
- ST_MakeLine
- ST_MakeEnvelope
- ST_MakePolygon
- ST_MakePoint
- ST_MakePointM
- ST_MPointFromText
- ST_MLineFromText
- ST_MPolyFromText
- ST_Point
- ST_PointFromGeoHash
- ST_PointFromText
- ST_PointFromWKB
- ST_Polygon
- ST_PolygonFromText
- ST_WKBToSQL
- ST_WKTToSQL