IDX.DESCRIBERead an index declaration back: prefix, kind, type, fields, stored values, options, the table that compiled it, and the IDX.CREATE that recreates it.
| 構文 | IDX.DESCRIBE name |
| グループ | index |
| 引数の数 | 2 |
| 導入バージョン | 6.5.0 |
| フラグ | readonly, extension |
| 計算量 | O(declaration size), plus O(tables) compiles to name the owning table; at the origin — the catalog is process-global |
| Redis 互換性 | kevy-only |