The ST_Point() function
The ST_Point() function returns an ST_Point, given an X-coordinate, Y-coordinate, and spatial reference ID.
Syntax
ST_Point(X double precision, Y double precision, SRID integer)Return type
ST_Point
Example
The following CREATE TABLE statement
creates the point_test table, which has a single point column, pt1:
CREATE TABLE point_test (pt1 ST_Point);The ST_Point() function
converts the point coordinates into an ST_Point geometry before the
INSERT statement inserts it into the pt1 column:
INSERT INTO point_test VALUES(
ST_Point(10.01,20.03,1000)
);