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
|
PRAGMA warning('disable', '4528');
$fromTypes = {
"Date32": "2025-03-19",
"Datetime64": "2025-03-19T01:02:03Z",
"Timestamp64": "2025-03-19T01:02:03.456789Z",
};
$toTypes = [
"Date", "Datetime", "Timestamp",
"TzDate", "TzDatetime", "TzTimestamp",
"Date32", "Datetime64", "Timestamp64",
"TzDate32", "TzDatetime64", "TzTimestamp64",
];
$allowed = {
"Date32": {
/* - */ /* - */ /* - */
/* - */ /* - */ /* - */
/* - */ "DateTime64", "Timestamp64",
"TzDate32", "TzDatetime64", "TzTimestamp64",
},
"Datetime64": {
/* - */ /* - */ /* - */
/* - */ /* - */ /* - */
/* - */ /* - */ "Timestamp64",
/* - */ "TzDatetime64", "TzTimestamp64",
},
"Timestamp64": {
/* - */ /* - */ /* - */
/* - */ /* - */ /* - */
/* - */ /* - */ /* - */
/* - */ /* - */ "TzTimestamp64",
},
};
EVALUATE FOR $from IN DictItems($fromTypes) DO BEGIN
EVALUATE FOR $to IN $toTypes DO BEGIN
EVALUATE IF DictContains($allowed[$from.0], $to) DO BEGIN
$callable = Callable(CallableType(0, String, DataType($to)), ($x)->(cast($x as String)));
$srcType = DataType($from.0);
SELECT $from.0 || " => " || $to,
$callable(Unwrap(CAST($from.1 as $srcType)))
END DO;
END DO;
END DO;
|
