ZDIFFSTOREStore the difference of the given sorted sets into destination.
| 语法 | ZDIFFSTORE destination numkeys key [key ...] |
| 分组 | zset |
| 参数个数 | -4 |
| 起始版本 | 1.0.0 |
| 标志 | write |
| 复杂度 | O(sum of the source cardinalities + R log R); each source is extracted whole on its own shard |
| Redis 兼容性 | full |