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--
-- LSEG
-- Line segments
--
--DROP TABLE LSEG_TBL;
CREATE TABLE LSEG_TBL (s lseg);
INSERT INTO LSEG_TBL VALUES ('[(1,2),(3,4)]');
INSERT INTO LSEG_TBL VALUES ('(0,0),(6,6)');
INSERT INTO LSEG_TBL VALUES ('10,-10 ,-3,-4');
INSERT INTO LSEG_TBL VALUES ('[-1e6,2e2,3e5, -4e1]');
INSERT INTO LSEG_TBL VALUES ('(11,22,33,44)');
-- bad values for parser testing
INSERT INTO LSEG_TBL VALUES ('(3asdf,2 ,3,4r2)');
ERROR: invalid input syntax for type lseg: "(3asdf,2 ,3,4r2)"
LINE 1: INSERT INTO LSEG_TBL VALUES ('(3asdf,2 ,3,4r2)');
^
INSERT INTO LSEG_TBL VALUES ('[1,2,3, 4');
ERROR: invalid input syntax for type lseg: "[1,2,3, 4"
LINE 1: INSERT INTO LSEG_TBL VALUES ('[1,2,3, 4');
^
INSERT INTO LSEG_TBL VALUES ('[(,2),(3,4)]');
ERROR: invalid input syntax for type lseg: "[(,2),(3,4)]"
LINE 1: INSERT INTO LSEG_TBL VALUES ('[(,2),(3,4)]');
^
INSERT INTO LSEG_TBL VALUES ('[(1,2),(3,4)');
ERROR: invalid input syntax for type lseg: "[(1,2),(3,4)"
LINE 1: INSERT INTO LSEG_TBL VALUES ('[(1,2),(3,4)');
^
select * from LSEG_TBL ORDER BY (s[0])[0], (s[0])[1];
s
-------------------------------
[(-1000000,200),(300000,-40)]
[(0,0),(6,6)]
[(1,2),(3,4)]
[(10,-10),(-3,-4)]
[(11,22),(33,44)]
(5 rows)
SELECT * FROM LSEG_TBL WHERE s <= lseg '[(1,2),(3,4)]' ORDER BY (s[0])[0], (s[0])[1];
s
---------------
[(1,2),(3,4)]
(1 row)
SELECT * FROM LSEG_TBL WHERE (s <-> lseg '[(1,2),(3,4)]') < 10 ORDER BY (s[0])[0], (s[0])[1];
s
--------------------
[(0,0),(6,6)]
[(1,2),(3,4)]
[(10,-10),(-3,-4)]
(3 rows)
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