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 | |