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📜  ioredis 检查值是否存在 - 无论代码示例

📅  最后修改于: 2022-03-11 14:59:43.804000             🧑  作者: Mango

代码示例1
/*
To check to see if a key exists in a Redis database, 
you can run the query EXISTS, which will return a 1 if the key is found 
and a 0 if the key is not found.
*/

SET title "My Post"
EXISTS title <== returns 1 if found