ST_PointM — Creates a Point with X, Y, M and SRID values.
geometry
ST_PointM
(
float
x
, float
y
, float
m
, integer
srid=unknown
)
;
Returns an Point with the given X, Y and M coordinate values, and optionally an SRID number.
Enhanced: 3.2.0 srid as an extra optional argument was added. Older installs require combining with ST_SetSRID to mark the srid on the geometry.
SELECT ST_PointM(-71.104, 42.315, 3.4, 4326)
SELECT ST_PointM(-71.104, 42.315, 3.4, srid => 4326)
SELECT ST_PointM(-71.104, 42.315, 3.4)