7 CREATE TABLE LINE_TBL (s line);
9 INSERT INTO LINE_TBL VALUES ('{1,-1,1}');
10 INSERT INTO LINE_TBL VALUES ('(0,0),(6,6)');
11 INSERT INTO LINE_TBL VALUES ('10,-10 ,-5,-4');
12 INSERT INTO LINE_TBL VALUES ('[-1e6,2e2,3e5, -4e1]');
13 INSERT INTO LINE_TBL VALUES ('(11,22,33,44)');
15 INSERT INTO LINE_TBL VALUES ('[(1,0),(1,0)]');
18 INSERT INTO LINE_TBL VALUES ('[(1,3),(2,3)]');
20 INSERT INTO LINE_TBL VALUES ('[(3,1),(3,2)]');
22 -- bad values for parser testing
23 INSERT INTO LINE_TBL VALUES ('{0,0,1}');
24 INSERT INTO LINE_TBL VALUES ('(3asdf,2 ,3,4r2)');
25 INSERT INTO LINE_TBL VALUES ('[1,2,3, 4');
26 INSERT INTO LINE_TBL VALUES ('[(,2),(3,4)]');
27 INSERT INTO LINE_TBL VALUES ('[(1,2),(3,4)');
29 select * from LINE_TBL;
32 -- functions and operators
34 SELECT * FROM LINE_TBL WHERE (s <-> line '[(1,2),(3,4)]') < 10;
36 SELECT * FROM LINE_TBL WHERE (point '(0.1,0.1)' <-> s) < 1;
38 SELECT * FROM LINE_TBL WHERE (lseg '[(0.1,0.1),(0.2,0.2)]' <-> s) < 1;
40 SELECT line '[(1,1),(2,1)]' <-> line '[(-1,-1),(-2,-1)]';
41 SELECT lseg '[(1,1),(2,1)]' <-> line '[(-1,-1),(-2,-1)]';
42 SELECT point '(-1,1)' <-> line '[(-3,0),(-4,0)]';
44 SELECT lseg '[(1,1),(5,5)]' ?# line '[(2,0),(0,2)]'; -- true
45 SELECT lseg '[(1,1),(5,5)]' ?# line '[(0,0),(1,0)]'; -- false
47 SELECT line '[(0,0),(1,1)]' ?# box '(0,0,2,2)'; -- true
48 SELECT line '[(3,0),(4,1)]' ?# box '(0,0,2,2)'; -- false
50 SELECT point '(1,1)' <@ line '[(0,0),(2,2)]'; -- true
51 SELECT point '(1,1)' <@ line '[(0,0),(1,0)]'; -- false
53 SELECT point '(1,1)' @ line '[(0,0),(2,2)]'; -- true
54 SELECT point '(1,1)' @ line '[(0,0),(1,0)]'; -- false
56 SELECT lseg '[(1,1),(2,2)]' <@ line '[(0,0),(2,2)]'; -- true
57 SELECT lseg '[(1,1),(2,1)]' <@ line '[(0,0),(1,0)]'; -- false
59 SELECT lseg '[(1,1),(2,2)]' @ line '[(0,0),(2,2)]'; -- true
60 SELECT lseg '[(1,1),(2,1)]' @ line '[(0,0),(1,0)]'; -- false
62 SELECT point '(0,1)' ## line '[(0,0),(1,1)]';
64 SELECT line '[(0,0),(1,1)]' ## lseg '[(1,0),(2,0)]';
66 SELECT line '[(0,0),(1,1)]' ?# line '[(1,0),(2,1)]'; -- false
67 SELECT line '[(0,0),(1,1)]' ?# line '[(1,0),(1,1)]'; -- true
69 SELECT line '[(0,0),(1,1)]' # line '[(1,0),(2,1)]';
70 SELECT line '[(0,0),(1,1)]' # line '[(1,0),(1,1)]';
72 SELECT line '[(0,0),(1,1)]' ?|| line '[(1,0),(2,1)]'; -- true
73 SELECT line '[(0,0),(1,1)]' ?|| line '[(1,0),(1,1)]'; -- false
75 SELECT line '[(0,0),(1,0)]' ?-| line '[(0,0),(0,1)]'; -- true
76 SELECT line '[(0,0),(1,1)]' ?-| line '[(1,0),(1,1)]'; -- false
78 SELECT ?- line '[(0,0),(1,0)]'; -- true
79 SELECT ?- line '[(0,0),(1,1)]'; -- false
81 SELECT ?| line '[(0,0),(0,1)]'; -- true
82 SELECT ?| line '[(0,0),(1,1)]'; -- false
84 SELECT line(point '(1,2)', point '(3,4)');
86 SELECT line '[(1,2),(3,4)]' = line '[(3,4),(4,5)]'; -- true
87 SELECT line '[(1,2),(3,4)]' = line '[(3,4),(4,4)]'; -- false