redis type 데이터 타입 확인 메서드

TYPE key

Available since 1.0.0.

Time complexity: O(1)

Returns the string representation of the type of the value stored at key. The different types that can be returned are: string, list, set, zset and hash.

Return value

Simple string reply: type of key, or none when key does not exist.

Examples

redis> SET key1 "value"

OK

redis> LPUSH key2 "value"

(integer) 1

redis> SADD key3 "value"

(integer) 1

redis> TYPE key1

string

redis> TYPE key2

list

redis> TYPE key3

set

redis> 

http://redis.io/commands/type