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RANDOMKEY

相关命令

• DEL
• DUMP
• EXISTS
• EXPIRE
• EXPIREAT
• KEYS
• MIGRATE
• MOVE
• OBJECT
• PERSIST
• PEXPIRE
• PEXPIREAT
• PTTL
• RANDOMKEY
• RENAME
• RENAMENX
• RESTORE
• SCAN
• SORT
• TTL
• TYPE

始于1.0.0可用。

时间复杂度： O(1)

Return a random key from the currently selected database.

返回值

Bulk string reply: the random key, or nil when the database is empty.

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