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ST_MinM

ST_MinM

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Definition

ST_MinM takes a geometry as an input parameter and returns its minimum m-coordinate.

Syntax

Oracle

sde.st_minm (g1 sde.st_geometry)

PostgreSQL

st_minm (g1 st_geometry)

Return type

Number

Example

Oracle

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

INSERT INTO minm_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 minm_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_minm (geometry) MinM
FROM minm_test;

        ID       MINM

      1901          3
      1902          5

PostgreSQL

CREATE TABLE minm_test (id integer, geometry st_geometry);

INSERT INTO minm_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 minm_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_minm (geometry) AS MinM
FROM minm_test;

        id       minm

      1901          3
      1902          5

See Also

  • An overview of SQL functions used with ST_Geometry types