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ST_MaxX

ST_MaxX

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Definition

ST_MaxX takes a geometry as an input parameter and returns its maximum x-coordinate.

Syntax

Oracle

sde.st_maxx (g1 sde.st_geometry)

PostgreSQL

st_maxx (g1 st_geometry)

Return type

Number

Example

Oracle

CREATE TABLE maxx_test (id integer, geometry sde.st_geometry);

INSERT INTO maxx_test VALUES (
1901,
sde.st_polygon ('polygon zm((110 120 20 3, 110 140 22 3, 120 130 26 4, 110 120 20 3))', 0)
);

INSERT INTO maxx_test VALUES (
1902,
sde.st_polygon ('polygon zm((0 0 40 7, 0 4 35 9, 5 4 32 12, 5 0 31 5, 0 0 40 7))', 0)
);

SELECT id, sde.st_maxx (geometry) Max_X
FROM maxx_test;

        ID      MAX_X

      1901        120
      1902          5

PostgreSQL

CREATE TABLE maxx_test (id integer, geometry st_geometry);

INSERT INTO maxx_test VALUES (
1901,
st_polygon ('polygon zm((110 120 20 3, 110 140 22 3, 120 130 26 4, 110 120 20 3))', 0)
);

INSERT INTO maxx_test VALUES (
1902,
st_polygon ('polygon zm((0 0 40 7, 0 4 35 9, 5 4 32 12, 5 0 31 5, 0 0 40 7))', 0)
);

SELECT id, st_maxx (geometry)AS Max_X
FROM maxx_test;

        id      max_x

      1901        120
      1902          5

See Also

  • An overview of SQL functions used with ST_Geometry types