redis-rb
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redis
hgetall attempts to hashify the return value after "multi".
2.1.4 :001 > require "redis"
=> true
2.1.4 :002 > redis = Redis.new
=> #<Redis client v3.2.1 for redis://127.0.0.1:6379/0>
2.1.4 :003 > redis.hset "test", "foo", "bar"
=> true
2.1.4 :004 > redis.multi
=> "OK"
2.1.4 :005 > redis.hgetall "test"
NoMethodError: undefined method each_slice' for "QUEUED":String from /Users/alexb/.rvm/gems/ruby-2.1.4/gems/redis-3.2.1/lib/redis.rb:2584:inblock in _hashify'
from /Users/alexb/.rvm/gems/ruby-2.1.4/gems/redis-3.2.1/lib/redis/client.rb:116:in call' from /Users/alexb/.rvm/gems/ruby-2.1.4/gems/redis-3.2.1/lib/redis/client.rb:116:incall'
from /Users/alexb/.rvm/gems/ruby-2.1.4/gems/redis-3.2.1/lib/redis.rb:2015:in block in hgetall' from /Users/alexb/.rvm/gems/ruby-2.1.4/gems/redis-3.2.1/lib/redis.rb:37:inblock in synchronize'
from /Users/alexb/.rvm/rubies/ruby-2.1.4/lib/ruby/2.1.0/monitor.rb:211:in mon_synchronize' from /Users/alexb/.rvm/gems/ruby-2.1.4/gems/redis-3.2.1/lib/redis.rb:37:insynchronize'
from /Users/alexb/.rvm/gems/ruby-2.1.4/gems/redis-3.2.1/lib/redis.rb:2014:in hgetall' from (irb):5 from /Users/alexb/.rvm/rubies/ruby-2.1.4/bin/irb:11:in
It doesn't occur if you use the block syntax, so there is a workaround:
redis.multi do
redis.hgetall "test"
end
# => [{"foo"=>"bar"}]
