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| id | a | b | bc |
|---|---|---|---|
| 1 | null | 100 | -109 |
| 2 | null | null | -2147483640 |
| 3 | 1 | 2 | 18 |
| id | a | b | bc |
|---|---|---|---|
| 1 | null | 100 | -109 |
| 2 | null | null | -2147483640 |
| id | a | b | bc |
|---|---|---|---|
| 1 | null | 100 | -109 |
| 2 | null | null | -2147483640 |
| 3 | 1 | 2 | 18 |
| id | a | b | bc |
|---|---|---|---|
| 1 | null | 100 | -109 |
| 2 | null | null | -2147483640 |