Using REDIS Sets command from StackExchange.Redis

Question

I need to use some redis commands related to set operations. I am using StackExchange.Redis to connect to my redis server and perform the required operations. Specifically I need to perform the following operations

Add Item to Set (SADD)
Check Difference between two sets (SDIFF)
Get the common elements between 2 sets (SINTER)

I am able to see SetAdd in the IDatabase interface but how can I get the SDIFF and SINTER command?

thepirat000 · Accepted Answer · 2016-05-06 22:39:52Z

5

You should use the method IDatabase.SetCombine() for commands SDIFF, SUNION or SINTER.

    /// <summary>
    /// Returns the members of the set resulting from the specified operation against the given sets.
    /// </summary>
    /// <returns>list with members of the resulting set.</returns>
    /// <remarks>http://redis.io/commands/sunion</remarks>
    /// <remarks>http://redis.io/commands/sinter</remarks>
    /// <remarks>http://redis.io/commands/sdiff</remarks>
    RedisValue[] SetCombine(SetOperation operation, RedisKey first, RedisKey second, CommandFlags flags = CommandFlags.None);

Where SetOperation can be Union, Intersect or Difference

Take a look at some of the tests

answered May 6, 2016 at 22:39

thepirat000

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