ZINTERCARDReturn the cardinality of the intersection of the given sorted sets.
| 構文 | ZINTERCARD numkeys key [key ...] [LIMIT limit] |
| グループ | zset |
| 引数の数 | -3 |
| 導入バージョン | 1.0.0 |
| フラグ | readonly |
| 計算量 | O(sum of the source cardinalities) — LIMIT does not short-circuit the gather, only the combine |
| Redis 互換性 | full |