New Field
| Field Name | Type | Length | Flags | ||
| | INDEX_ID | LONGLONG | 21 | not_null | |
| | NAME | VAR_STRING | 256 | not_null | |
| | TABLE_ID | LONGLONG | 21 | not_null | |
| | TYPE | LONG | 11 | not_null | |
| | N_FIELDS | LONG | 11 | not_null | |
| | PAGE_NO | LONG | 11 | ||
| | SPACE | LONG | 11 | ||
| | MERGE_THRESHOLD | LONG | 11 | not_null | |
| New Field |
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