THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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| Field | Size | ||
|---|---|---|---|
| Schema version | 2 bytes | ||
| Flags | 2 byte | ||
| Key columns hash | 4 bytes | ||
| Key chunk: | |||
| Key chunk size | 4 bytes | ||
| Null-map | ⌈number of columns / 8⌉ | ||
| Variable-length columns offsets table size | 2 bytes | ||
| Variable-length columns offsets table | Variable (number of non-null varlen columns * 4) | Null-map | ⌈number of columns / 8⌉ |
| Fix-sized columns values | Variable | ||
| Variable-length columns values | Variable | ||
| Value chunk: | |||
| Value chunk size | 4 bytes | ||
| Null-map | ⌈number of columns / 8⌉ | ||
| Variable-length columns offsets table size | 2 bytes | ||
| Variable-length columns offsets table | Variable (number of non-null varlen columns * 4) | Null-map | ⌈number of columns / 8⌉ |
| Fix-sized columns values | Variable | ||
| Variable-length columns values | Variable |
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