HDEL
Syntax
HDEL key field [field ...]
- Available since:
- 2.0.0
- Time complexity:
- O(N) where N is the number of fields to be removed.
- ACL categories:
-
@write,@hash,@fast,
从存储在key的哈希中移除指定的字段。
如果哈希中不存在指定的字段，则忽略这些字段。
如果没有字段剩余，则删除该哈希。
如果key不存在，则将其视为空哈希，并且此命令返回0。
示例
RESP2 回复
Integer reply: the number of fields that were removed from the hash, excluding any specified but non-existing fields.RESP3 回复
Integer reply: The number of fields that were removed from the hash, excluding any specified but non-existing fields.历史
- 从 Redis 2.4.0 版本开始：接受多个
field参数。