| id,interval_col,varchar_interval_col | |
| 1,PT0S,PT0S | |
| 2,PT1S,PT1S | |
| 3,PT30S,PT30S | |
| 4,PT59S,PT59S | |
| 5,PT60S,PT60S | |
| 6,PT200S,PT200S | |
| 7,PT7777S,PT7777S | |
| 8,PT9999S,PT9999S | |
| 9,PT99999S,PT99999S | |
| 10,PT-0S,PT-0S | |
| 11,PT-1S,PT-1S | |
| 12,PT-30S,PT-30S | |
| 13,PT-59S,PT-59S | |
| 14,PT-60S,PT-60S | |
| 15,PT-200S,PT-200S | |
| 16,PT-7777S,PT-7777S | |
| 17,PT-9999S,PT-9999S | |
| 18,PT-99999S,PT-99999S | |
| 19,PT+0S,PT+0S | |
| 20,PT+1S,PT+1S | |
| 21,PT+30S,PT+30S | |
| 22,PT+59S,PT+59S | |
| 23,PT+60S,PT+60S | |
| 24,PT+200S,PT+200S | |
| 25,PT+7777S,PT+7777S | |
| 26,PT+9999S,PT+9999S | |
| 27,PT+99999S,PT+99999S |