ST_PointFromText¶
Constructs a Point from Well-Known Text (WKT), erroring if the input is not a Point.
Usage¶
geometry ST_PointFromText(wkt: string)
geometry ST_PointFromText(wkt: string, srid: crs)
Arguments¶
- wkt (string)
- srid (crs)
Description¶
Parses a WKT string and returns a geometry. Raises an error if the WKT does not represent a Point.
Examples¶
SELECT ST_PointFromText('POINT (30 10)');
┌─────────────────────────────────────────┐
│ st_pointfromtext(Utf8("POINT (30 10)")) │
│ geometry │
╞═════════════════════════════════════════╡
│ POINT(30 10) │
└─────────────────────────────────────────┘
With an SRID or CRS:
SELECT ST_PointFromText('POINT (30 10)', 4326);
┌─────────────────────────────────────────────────────┐
│ st_pointfromtext(Utf8("POINT (30 10)"),Int64(4326)) │
│ geometry │
╞═════════════════════════════════════════════════════╡
│ POINT(30 10) │
└─────────────────────────────────────────────────────┘