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
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
|
SELECT w.d + w.e AS c FROM w AS w;
SELECT CONCAT("w"."d", "w"."e") AS "c" FROM "w" AS "w";
SELECT CAST(w.d AS DATE) > w.e AS a FROM w AS w;
SELECT CAST("w"."d" AS DATE) > CAST("w"."e" AS DATETIME) AS "a" FROM "w" AS "w";
SELECT CAST(1 AS VARCHAR) AS a FROM w AS w;
SELECT CAST(1 AS VARCHAR) AS "a" FROM "w" AS "w";
SELECT CAST(1 + 3.2 AS DOUBLE) AS a FROM w AS w;
SELECT 1 + 3.2 AS "a" FROM "w" AS "w";
SELECT '1' + 1 AS "col";
SELECT '1' + 1 AS "col";
SELECT '1' + '1' AS "col";
SELECT CONCAT('1', '1') AS "col";
SELECT CAST('2022-01-01' AS DATE) + INTERVAL '1' DAY;
SELECT CAST('2022-01-01' AS DATE) + INTERVAL '1' DAY AS "_col_0";
SELECT CAST('2022-01-01' AS DATE) IS NULL AS "a";
SELECT CAST('2022-01-01' AS DATE) IS NULL AS "a";
--------------------------------------
-- Ensure boolean predicates
--------------------------------------
SELECT a FROM x WHERE b;
SELECT "x"."a" AS "a" FROM "x" AS "x" WHERE "x"."b" <> 0;
SELECT NOT b FROM x;
SELECT NOT "x"."b" <> 0 AS "_col_0" FROM "x" AS "x";
SELECT a FROM x GROUP BY a HAVING SUM(b);
SELECT "x"."a" AS "a" FROM "x" AS "x" GROUP BY "x"."a" HAVING SUM("x"."b") <> 0;
SELECT a FROM x GROUP BY a HAVING SUM(b) AND TRUE;
SELECT "x"."a" AS "a" FROM "x" AS "x" GROUP BY "x"."a" HAVING SUM("x"."b") <> 0 AND TRUE;
SELECT a FROM x WHERE 1;
SELECT "x"."a" AS "a" FROM "x" AS "x" WHERE 1 <> 0;
SELECT a FROM x WHERE COALESCE(0, 1);
SELECT "x"."a" AS "a" FROM "x" AS "x" WHERE COALESCE(0 <> 0, 1 <> 0);
SELECT a FROM x WHERE CASE WHEN COALESCE(b, 1) THEN 1 ELSE 0 END;
SELECT "x"."a" AS "a" FROM "x" AS "x" WHERE CASE WHEN COALESCE("x"."b" <> 0, 1 <> 0) THEN 1 ELSE 0 END <> 0;
--------------------------------------
-- Replace date functions
--------------------------------------
DATE('2023-01-01');
CAST('2023-01-01' AS DATE);
-- Some dialects only allow dates
DATE('2023-01-01 00:00:00');
DATE('2023-01-01 00:00:00');
TIMESTAMP('2023-01-01');
CAST('2023-01-01' AS TIMESTAMP);
TIMESTAMP('2023-01-01', '12:00:00');
TIMESTAMP('2023-01-01', '12:00:00');
--------------------------------------
-- Coerce date function args
--------------------------------------
'2023-01-01' + INTERVAL '1' DAY;
CAST('2023-01-01' AS DATE) + INTERVAL '1' DAY;
'2023-01-01' + INTERVAL '1' HOUR;
CAST('2023-01-01' AS DATETIME) + INTERVAL '1' HOUR;
'2023-01-01 00:00:01' + INTERVAL '1' HOUR;
CAST('2023-01-01 00:00:01' AS DATETIME) + INTERVAL '1' HOUR;
CAST('2023-01-01' AS DATE) + INTERVAL '1' HOUR;
CAST(CAST('2023-01-01' AS DATE) AS DATETIME) + INTERVAL '1' HOUR;
SELECT t.d + INTERVAL '1' HOUR FROM temporal AS t;
SELECT CAST("t"."d" AS DATETIME) + INTERVAL '1' HOUR AS "_col_0" FROM "temporal" AS "t";
DATE_ADD(CAST("x" AS DATE), 1, 'YEAR');
DATE_ADD(CAST("x" AS DATE), 1, 'YEAR');
DATE_ADD('2023-01-01', 1, 'YEAR');
DATE_ADD(CAST('2023-01-01' AS DATE), 1, 'YEAR');
DATE_ADD('2023-01-01 00:00:00', 1, 'DAY');
DATE_ADD(CAST('2023-01-01 00:00:00' AS DATETIME), 1, 'DAY');
SELECT DATE_ADD(t.d, 1, 'HOUR') FROM temporal AS t;
SELECT DATE_ADD(CAST("t"."d" AS DATETIME), 1, 'HOUR') AS "_col_0" FROM "temporal" AS "t";
SELECT DATE_TRUNC('SECOND', t.d) FROM temporal AS t;
SELECT DATE_TRUNC('SECOND', CAST("t"."d" AS DATETIME)) AS "_col_0" FROM "temporal" AS "t";
DATE_TRUNC('DAY', '2023-01-01');
DATE_TRUNC('DAY', CAST('2023-01-01' AS DATE));
DATEDIFF('2023-01-01', '2023-01-02', DAY);
DATEDIFF(CAST('2023-01-01' AS DATETIME), CAST('2023-01-02' AS DATETIME), DAY);
SELECT "t"."d" > '2023-01-01' AS "d" FROM "temporal" AS "t";
SELECT "t"."d" > CAST('2023-01-01' AS DATETIME) AS "d" FROM "temporal" AS "t";
SELECT "t"."d" > CAST('2023-01-01' AS DATETIME) AS "d" FROM "temporal" AS "t";
SELECT "t"."d" > CAST('2023-01-01' AS DATETIME) AS "d" FROM "temporal" AS "t";
SELECT "t"."t" > '2023-01-01 00:00:01' AS "t" FROM "temporal" AS "t";
SELECT "t"."t" > CAST('2023-01-01 00:00:01' AS DATETIME) AS "t" FROM "temporal" AS "t";
--------------------------------------
-- Remove redundant casts
--------------------------------------
CAST(CAST('2023-01-01' AS DATE) AS DATE);
CAST('2023-01-01' AS DATE);
CAST(DATE_TRUNC('YEAR', CAST('2023-01-01' AS DATE)) AS DATE);
DATE_TRUNC('YEAR', CAST('2023-01-01' AS DATE));
DATE(DATE_TRUNC('YEAR', CAST("x" AS DATE)));
DATE_TRUNC('YEAR', CAST("x" AS DATE));
|
