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gdoteof/hrandkey_redis.lua

Created March 20, 2015 23:39
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HRANDKEY
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hrandkey_redis.lua
--use like eval(HRANDKEY, 2, key_for_set_with_keys, key_for_hash_with_keys)
local randkey = redis.call('srandmember', KEYS[1])
local val = redis.call('hget', KEYS[2], randkey)
return val
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