hmsetnx

Set multiple values of a hash only if the key does not exist

Returns True if the hash was set, otherwise false
Keys
  1. Hash
Args
  1. Same as the arguments to hmset

Example

> evalsha 8c4bbf1b37784149128a5b96e55073538a7401d9 1 mykey foo 1 bar 2
(integer) 1
> hgetall mykey
1) "foo"
2) "1"
3) "bar"
4) "2"
> evalsha 8c4bbf1b37784149128a5b96e55073538a7401d9 1 mykey foo 1 bar 3 baz 4
(integer) 0
> hgetall mykey
1) "foo"
2) "1"
3) "bar"
4) "2"

Source

if redis.call('exists', KEYS[1]) == 0 then
    redis.call('hmset', KEYS[1], unpack(ARGV))
    return 1
end
return 0

Last updated 22 Feb 2016.

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