sinterstore

1. 基本語法

sinterstore(destination, key , [key,...], callback)

功能類似sinter,主要差別在sinter直接回傳交集成員;而sinterstore將交集成員儲存到destination集合中,並回傳交集的成員「數量」。

2. 範例

const arr1 = ['A', 'B', 'C'];
const arr2 = ['C', 'D', 'E'];

client.sadd('user:1:choice', arr1);
client.sadd('user:2:choice', arr2);

client.sinterstore('inter','user:1:choice', 'user:2:choice', redis.print);
client.smembers('inter', redis.print);
Reply: 1
Reply: C

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