blob: 0e49260204bac1451f0e71d733240afe154f9424 (
plain)
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
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
--
-- TIME
--
CREATE TABLE TIME_TBL (f1 time, f2 time with time zone);
INSERT INTO TIME_TBL VALUES ('00:00', '00:00 PDT');
INSERT INTO TIME_TBL VALUES ('01:00', '01:00 PDT');
INSERT INTO TIME_TBL VALUES ('02:03', '02:03 PDT');
INSERT INTO TIME_TBL VALUES ('11:59', '11:59 PDT');
INSERT INTO TIME_TBL VALUES ('12:00', '12:00 PDT');
INSERT INTO TIME_TBL VALUES ('12:01', '12:01 PDT');
INSERT INTO TIME_TBL VALUES ('23:59', '23:59 PDT');
INSERT INTO TIME_TBL VALUES ('11:59:59.99 PM', '11:59:59.99 PM PDT');
SELECT f1 AS "Time", f2 AS "Time TZ" FROM TIME_TBL;
Time | Time TZ
----------+-------------
00:00:00 | 00:00:00-07
01:00:00 | 01:00:00-07
02:03:00 | 02:03:00-07
11:59:00 | 11:59:00-07
12:00:00 | 12:00:00-07
12:01:00 | 12:01:00-07
23:59:00 | 23:59:00-07
23:59:59 | 23:59:59-07
(8 rows)
SELECT f1 AS "Three" FROM TIME_TBL WHERE f1 < '05:06:07';
Three
----------
00:00:00
01:00:00
02:03:00
(3 rows)
SELECT f1 AS "Five" FROM TIME_TBL WHERE f1 > '05:06:07';
Five
----------
11:59:00
12:00:00
12:01:00
23:59:00
23:59:59
(5 rows)
SELECT f1 AS "None" FROM TIME_TBL WHERE f1 < '00:00';
None
------
(0 rows)
SELECT f1 AS "Eight" FROM TIME_TBL WHERE f1 >= '00:00';
Eight
----------
00:00:00
01:00:00
02:03:00
11:59:00
12:00:00
12:01:00
23:59:00
23:59:59
(8 rows)
--
-- TIME simple math
--
-- We now make a distinction between time and intervals,
-- and adding two times together makes no sense at all.
-- Leave in one query to show that it is rejected,
-- and do the rest of the testing in horology.sql
-- where we do mixed-type arithmetic. - thomas 2000-12-02
SELECT f1 + time '00:01' AS "Illegal" FROM TIME_TBL;
ERROR: Unable to identify an operator '+' for types 'time' and 'time'
You will have to retype this query using an explicit cast
SELECT f2 + time with time zone '00:01' AS "Illegal" FROM TIME_TBL;
ERROR: Unable to identify an operator '+' for types 'timetz' and 'timetz'
You will have to retype this query using an explicit cast
|
