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Redisun

TYPE

Get the type of value stored at key.

Redis Native Command Syntax

Section titled “Redis Native Command Syntax”
Terminal window
TYPE key

Parameter Description

  • key: The key to query type

Detailed Explanation

Section titled “Detailed Explanation”

The TYPE command returns the type of value stored at key. Redis supports multiple data types, including string, list, set, sorted set (zset), hash, etc.

Return Value

Section titled “Return Value”

Returns the type string of the value stored at key:

  • string: String type
  • list: List type
  • set: Set type
  • zset: Sorted set type
  • hash: Hash type
  • none: Key does not exist

Time Complexity

Section titled “Time Complexity”

O(1)

Redisun Usage

Section titled “Redisun Usage”
// Synchronous mode
String type = redisun.type("mykey");


// Asynchronous mode
CompletableFuture<String> future = redisun.asyncType("mykey");

Notes

  • The TYPE command only returns the type of value stored at key, not the value itself
  • For non-existent keys, the TYPE command returns “none”

References