-- The locatebetween_test table is created with two columns:
-- the gid integer column uniquely identifies each row,
-- while the g1 ST_MultiLineString stores the sample geometry.

CREATE TABLE locatebetween_test (gid integer, g1 ST_Geometry);

-- The INSERT statements insert two rows into the locatebetween_test table. 
-- The first row is a ST_MultiLineString and the second is a ST_MultiPoint.

INSERT INTO locatebetween_test VALUES(
   1,
   ST_MLineFromText('multilinestring m ((10.29 19.23 5,23.82 20.29 6, 30.19 18.47 7,45.98 20.74 8),(23.82 20.29 6,30.98 23.98 7,42.92 25.98 8))',1000)
);

INSERT INTO locatebetween_test VALUES(
   2,
   ST_MPointFromText('multipoint m (10.29 19.23 5,23.82 20.29 6,30.19 18.47 7,45.98 20.74 8,23.82 20.29 6,30.98 23.98 7,42.92 25.98 8)', 1000)
);

-- The SE_LocateBetween function below locates measures lying
-- between measures 6.5 and 7.5, inclusively. The first row returns
-- a ST_Multilinestring containing several LineStrings. The second
-- row returns a ST_MultiPoint because the source data was ST_MultiPoint.
-- When the source data has a dimension of 0 (point or multipoint)
-- an exact match is required.

SELECT gid, SE_LocateBetween(g1,6.5,7.5) Geometry
   FROM locatebetween_test;