ST_MinM takes a geometry as an input parameter and returns its minimum m-coordinate.
Oracle
sde.st_minm (g1 sde.st_geometry)
PostgreSQL
st_minm (g1 st_geometry)
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
