when update a hashs by redis.hset("rrr", "item5", "value3") will return false

[TopSpoofer]

redis.hset("rrr", "item5", "value3") when first set it, return true but redis.hset("rrr", "item5", "value4") return false and the redis server was update the value to "value4"

[rtenagom]

According to official redis-docs it returns 0 if field already exists and value was updated

[TopSpoofer]

@rtenagom so, why not return ture? return 0 is successful in c and redis