1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
--
-- PATH
--
--DROP TABLE PATH_TBL;
CREATE TABLE PATH_TBL (f1 path);
INSERT INTO PATH_TBL VALUES ('[(1,2),(3,4)]');
INSERT INTO PATH_TBL VALUES (' ( ( 1 , 2 ) , ( 3 , 4 ) ) ');
INSERT INTO PATH_TBL VALUES ('[ (0,0),(3,0),(4,5),(1,6) ]');
INSERT INTO PATH_TBL VALUES ('((1,2) ,(3,4 ))');
INSERT INTO PATH_TBL VALUES ('1,2 ,3,4 ');
INSERT INTO PATH_TBL VALUES (' [1,2,3, 4] ');
INSERT INTO PATH_TBL VALUES ('((10,20))'); -- Only one point
INSERT INTO PATH_TBL VALUES ('[ 11,12,13,14 ]');
INSERT INTO PATH_TBL VALUES ('( 11,12,13,14) ');
-- bad values for parser testing
INSERT INTO PATH_TBL VALUES ('[]');
INSERT INTO PATH_TBL VALUES ('[(,2),(3,4)]');
INSERT INTO PATH_TBL VALUES ('[(1,2),(3,4)');
INSERT INTO PATH_TBL VALUES ('(1,2,3,4');
INSERT INTO PATH_TBL VALUES ('(1,2),(3,4)]');
SELECT '' AS count, f1 AS open_path FROM PATH_TBL WHERE isopen(f1);
SELECT '' AS count, f1 AS closed_path FROM PATH_TBL WHERE isclosed(f1);
SELECT '' AS count, pclose(f1) AS closed_path FROM PATH_TBL;
SELECT '' AS count, popen(f1) AS open_path FROM PATH_TBL;
|
