blob: 781de87a860cbd8b7b5c3e00736352ef55dc1e18 (
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
76
77
78
79
80
81
82
83
84
|
--
-- union.sql
--
-- Simple UNION constructs
SELECT 1 AS two UNION SELECT 2;
SELECT 1 AS one UNION SELECT 1;
SELECT 1 AS two UNION ALL SELECT 2;
SELECT 1 AS two UNION ALL SELECT 1;
SELECT 1 AS three UNION SELECT 2 UNION SELECT 3;
SELECT 1 AS two UNION SELECT 2 UNION SELECT 2;
SELECT 1 AS three UNION SELECT 2 UNION ALL SELECT 2;
SELECT 1.1 AS two UNION SELECT 2.2;
-- Mixed types
SELECT 1.1 AS two UNION SELECT 2;
SELECT 1 AS two UNION SELECT 2.2;
SELECT 1 AS one UNION SELECT 1.1;
SELECT 1.1 AS two UNION ALL SELECT 2;
SELECT 1 AS two UNION ALL SELECT 1;
SELECT 1 AS three UNION SELECT 2 UNION SELECT 3;
SELECT 1 AS two UNION SELECT 2 UNION SELECT 2;
SELECT 1 AS three UNION SELECT 2 UNION ALL SELECT 2;
--
-- Try testing from tables...
--
SELECT f1 AS five FROM FLOAT8_TBL
UNION
SELECT f1 FROM FLOAT8_TBL;
SELECT f1 AS ten FROM FLOAT8_TBL
UNION ALL
SELECT f1 FROM FLOAT8_TBL;
SELECT f1 AS nine FROM FLOAT8_TBL
UNION
SELECT f1 FROM INT4_TBL;
SELECT f1 AS ten FROM FLOAT8_TBL
UNION ALL
SELECT f1 FROM INT4_TBL;
SELECT f1 AS five FROM FLOAT8_TBL
WHERE f1 BETWEEN -1e6 AND 1e6
UNION
SELECT f1 FROM INT4_TBL
WHERE f1 BETWEEN 0 AND 1000000;
SELECT f1 AS five FROM VARCHAR_TBL
UNION
SELECT f1 FROM CHAR_TBL;
SELECT f1 AS three FROM VARCHAR_TBL
UNION
SELECT TRIM(TRAILING FROM f1) FROM CHAR_TBL;
SELECT f1 AS eight FROM VARCHAR_TBL
UNION ALL
SELECT f1 FROM CHAR_TBL;
SELECT f1 AS five FROM TEXT_TBL
UNION
SELECT f1 FROM VARCHAR_TBL
UNION
SELECT TRIM(TRAILING FROM f1) FROM CHAR_TBL;
|
