/// <summary>
/// 计算给定的numkeys个有序集合的并集，并且把结果放到destination中
/// 使用WEIGHTS选项，你可以为每个给定的有序集指定一个乘法因子，意思就是，每个给定有序集的所有成员的score值在传递给聚合函数之前都要先乘以该因子。如果WEIGHTS没有给定，默认就是1
///默认使用的参数SUM，可以将所有集合中某个成员的score值之和作为结果集中该成员的score值。如果使用参数MIN或者MAX，结果集就是所有集合中元素最小或最大的元素。
/// </summary>
/// <param name="destinationKey"></param>
/// <param name="keys"></param>
/// <param name="weights"></param>
/// <param name="aggregate"></param>
/// <returns></returns>
public long SortedSetCombineAndStoreUnion(string destinationKey, string[] keys, double[] weights, CtSharpRedisAggregate aggregate = CtSharpRedisAggregate.Sum)
{
if (Enum.IsDefined(typeof(CtSharpRedisAggregate), aggregate) || aggregate.Equals(CtSharpRedisAggregate.Sum))
{
return(database.ZUnionStore(destinationKey, weights, RedisAggregate.Sum, keys));
}
if (aggregate.Equals(CtSharpRedisAggregate.Min))
{
return(database.ZUnionStore(destinationKey, weights, RedisAggregate.Min, keys));
}
return(database.ZUnionStore(destinationKey, weights, RedisAggregate.Max, keys));
}
/// <summary>
/// 计算给定的numkeys个有序集合的并集，并且把结果放到destination中
/// </summary>
/// <param name="destinationKey"></param>
/// <param name="firstKey"></param>
/// <param name="secondKey"></param>
/// <param name="aggregate"></param>
/// <returns></returns>
public long SortedSetCombineAndStoreUnion(string destinationKey, string firstKey, string secondKey, CtSharpRedisAggregate aggregate = CtSharpRedisAggregate.Sum)
{
if (Enum.IsDefined(typeof(CtSharpRedisAggregate), aggregate) || aggregate.Equals(CtSharpRedisAggregate.Sum))
{
return(database.ZUnionStore(destinationKey, null, RedisAggregate.Sum, firstKey, secondKey));
}
if (aggregate.Equals(CtSharpRedisAggregate.Min))
{
return(database.ZUnionStore(destinationKey, null, RedisAggregate.Min, firstKey, secondKey));
}
return(database.ZUnionStore(destinationKey, null, RedisAggregate.Max, firstKey, secondKey));
}
