3.0 KiB
3.0 KiB
1 | taos> select CHAR(77) |
---|---|
2 | char(77) | |
3 | =========== |
4 | M | |
5 | taos> select CHAR(77.5) |
6 | char(77.5) | |
7 | ============= |
8 | M | |
9 | taos> select CHAR(100) |
10 | char(100) | |
11 | ============ |
12 | d | |
13 | taos> select CHAR(77) from ts_4893.meters limit 5 |
14 | char(77) | |
15 | =========== |
16 | M | |
17 | M | |
18 | M | |
19 | M | |
20 | M | |
21 | ========================= |
22 | MNOPQ | |
23 | MNOPQ | |
24 | MNOPQ | |
25 | MNOPQ | |
26 | MNOPQ | |
27 | taos> select CHAR(77*256+77) from ts_4893.meters limit 5 |
28 | char(77*256+77) | |
29 | ================== |
30 | MM | |
31 | MM | |
32 | MM | |
33 | MM | |
34 | MM | |
35 | ============================ |
36 | MN | |
37 | MN | |
38 | MN | |
39 | MN | |
40 | MN | |
41 | taos> select cast(CHAR(49) as int) |
42 | cast(char(49) as int) | |
43 | ======================== |
44 | 1 | |
45 | taos> select CHAR(id + 77) from ts_4893.meters order by ts limit 5; |
46 | char(id + 77) | |
47 | ================ |
48 | M | |
49 | N | |
50 | O | |
51 | P | |
52 | Q | |
53 | ==================================================== |
54 | MMM | |
55 | NNN | |
56 | OOO | |
57 | PPP | |
58 | QQQ | |
59 | ========================================== |
60 | MMMMM | |
61 | NNNNN | |
62 | OOOOO | |
63 | PPPPP | |
64 | QQQQQ | |
65 | taos> select char(77) |
66 | char(77) | |
67 | =========== |
68 | M | |
69 | taos> select char(77 * 256 + 77) |
70 | char(77 * 256 + 77) | |
71 | ====================== |
72 | MM | |
73 | taos> select char('123') |
74 | char('123') | |
75 | ============== |
76 | { | |
77 | ======================== |
78 | M{ | |
79 | taos> select char(null) |
80 | char(null) | |
81 | ============= |
82 | | |
83 | taos> select char('ustc') |
84 | char('ustc') | |
85 | =============== |
86 | | |
87 | taos> select char(65.99) |
88 | char(65.99) | |
89 | ============== |
90 | A | |
91 | =================== |
92 | ABC | |
93 | =============================== |
94 | Hello | |