Class: Redis

Inherits:
Object
  • Object
show all
Includes:
MonitorMixin
Defined in:
lib/redis.rb,
lib/redis/client.rb,
lib/redis/version.rb,
lib/redis/pipeline.rb,
lib/redis/subscribe.rb,
lib/redis/hash_ring.rb,
lib/redis/distributed.rb,
lib/redis/connection/ruby.rb,
lib/redis/connection/hiredis.rb,
lib/redis/connection/registry.rb,
lib/redis/connection/synchrony.rb,
lib/redis/connection/command_helper.rb

Defined Under Namespace

Modules: Connection, DisableThreadSafety Classes: Client, CommandOptions, Distributed, HashRing, Pipeline, ProtocolError, SubscribedClient, Subscription

Constant Summary

VERSION =
"2.2.0"

Instance Attribute Summary (collapse)

Class Method Summary (collapse)

Instance Method Summary (collapse)

Constructor Details

- (Redis) initialize(options = {})

Returns a new instance of Redis



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# File 'lib/redis.rb', line 53

def initialize(options = {})
  @client = Client.new(options)

  if options[:thread_safe] == false
    # Override #synchronize
    extend DisableThreadSafety
  else
    # Monitor#initialize
    super()
  end
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

- (Object) method_missing(command, *args)



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# File 'lib/redis.rb', line 1066

def method_missing(command, *args)
  synchronize do
    @client.call(command, *args)
  end
end

Instance Attribute Details

- (Object) client (readonly)

Returns the value of attribute client



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# File 'lib/redis.rb', line 26

def client
  @client
end

Class Method Details

+ (Object) connect(options = {})



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# File 'lib/redis.rb', line 28

def self.connect(options = {})
  options = options.dup

  require "uri"

  url = URI(options.delete(:url) || ENV["REDIS_URL"] || "redis://127.0.0.1:6379/0")

  options[:host]     ||= url.host
  options[:port]     ||= url.port
  options[:password] ||= url.password
  options[:db]       ||= url.path[1..-1].to_i

  new(options)
end

+ (Object) current



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# File 'lib/redis.rb', line 43

def self.current
  Thread.current[:redis] ||= Redis.connect
end

+ (Object) current=(redis)



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# File 'lib/redis.rb', line 47

def self.current=(redis)
  Thread.current[:redis] = redis
end

+ (Object) deprecate(message, trace = caller[0])



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# File 'lib/redis.rb', line 22

def self.deprecate(message, trace = caller[0])
  $stderr.puts "\n#{message} (in #{trace})"
end

Instance Method Details

- (Object) [](key)



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# File 'lib/redis.rb', line 817

def [](key)
  get(key)
end

- (Object) []=(key, value)



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# File 'lib/redis.rb', line 821

def []=(key,value)
  set(key, value)
end

- (Object) append(key, value)

Append a value to a key.



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# File 'lib/redis.rb', line 183

def append(key, value)
  synchronize do
    @client.call(:append, key, value)
  end
end

- (Object) auth(password)

Authenticate to the server.



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# File 'lib/redis.rb', line 73

def auth(password)
  synchronize do
    @client.call(:auth, password)
  end
end

- (Object) bgrewriteaof

Asynchronously rewrite the append-only file.



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# File 'lib/redis.rb', line 141

def bgrewriteaof
  synchronize do
    @client.call(:bgrewriteaof)
  end
end

- (Object) bgsave

Asynchronously save the dataset to disk.



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# File 'lib/redis.rb', line 134

def bgsave
  synchronize do
    @client.call(:bgsave)
  end
end

- (Object) blpop(*args)

Remove and get the first element in a list, or block until one is available.



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# File 'lib/redis.rb', line 376

def blpop(*args)
  synchronize do
    @client.call_without_timeout(:blpop, *args)
  end
end

- (Object) brpop(*args)

Remove and get the last element in a list, or block until one is available.



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# File 'lib/redis.rb', line 383

def brpop(*args)
  synchronize do
    @client.call_without_timeout(:brpop, *args)
  end
end

- (Object) brpoplpush(source, destination, timeout)

Pop a value from a list, push it to another list and return it; or block until one is available.



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# File 'lib/redis.rb', line 391

def brpoplpush(source, destination, timeout)
  synchronize do
    @client.call_without_timeout(:brpoplpush, source, destination, timeout)
  end
end

- (Object) config(action, *args)



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# File 'lib/redis.rb', line 100

def config(action, *args)
  synchronize do
    reply = @client.call(:config, action, *args)

    if reply.kind_of?(Array) && action == :get
      Hash[*reply]
    else
      reply
    end
  end
end

- (Object) dbsize

Return the number of keys in the selected database.



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# File 'lib/redis.rb', line 278

def dbsize
  synchronize do
    @client.call(:dbsize)
  end
end

- (Object) debug(*args)



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# File 'lib/redis.rb', line 804

def debug(*args)
  synchronize do
    @client.call(:debug, *args)
  end
end

- (Object) decr(key)

Decrement the integer value of a key by one.



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# File 'lib/redis.rb', line 915

def decr(key)
  synchronize do
    @client.call(:decr, key)
  end
end

- (Object) decrby(key, decrement)

Decrement the integer value of a key by the given number.



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# File 'lib/redis.rb', line 922

def decrby(key, decrement)
  synchronize do
    @client.call(:decrby, key, decrement)
  end
end

- (Object) del(*keys)

Delete a key.



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# File 'lib/redis.rb', line 672

def del(*keys)
  synchronize do
    @client.call(:del, *keys)
  end
end

- (Object) discard

Discard all commands issued after MULTI.



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# File 'lib/redis.rb', line 784

def discard
  synchronize do
    @client.call(:discard)
  end
end

- (Object) echo(value)

Echo the given string.



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# File 'lib/redis.rb', line 257

def echo(value)
  synchronize do
    @client.call(:echo, value)
  end
end

- (Object) exec

Execute all commands issued after MULTI.



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# File 'lib/redis.rb', line 988

def exec
  synchronize do
    @client.call(:exec)
  end
end

- (Object) exists(key)

Determine if a key exists.



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# File 'lib/redis.rb', line 285

def exists(key)
  synchronize do
    _bool @client.call(:exists, key)
  end
end

- (Object) expire(key, seconds)

Set a key's time to live in seconds.



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# File 'lib/redis.rb', line 693

def expire(key, seconds)
  synchronize do
    _bool @client.call(:expire, key, seconds)
  end
end

- (Object) expireat(key, unix_time)

Set the expiration for a key as a UNIX timestamp.



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# File 'lib/redis.rb', line 714

def expireat(key, unix_time)
  synchronize do
    _bool @client.call(:expireat, key, unix_time)
  end
end

- (Object) flushall

Remove all keys from all databases.



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# File 'lib/redis.rb', line 120

def flushall
  synchronize do
    @client.call(:flushall)
  end
end

- (Object) flushdb

Remove all keys from the current database.



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# File 'lib/redis.rb', line 113

def flushdb
  synchronize do
    @client.call(:flushdb)
  end
end

- (Object) get(key)

Get the value of a key.



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# File 'lib/redis.rb', line 148

def get(key)
  synchronize do
    @client.call(:get, key)
  end
end

- (Object) getbit(key, offset)

Returns the bit value at offset in the string value stored at key.



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# File 'lib/redis.rb', line 155

def getbit(key, offset)
  synchronize do
    @client.call(:getbit, key, offset)
  end
end

- (Object) getrange(key, start, stop)

Get a substring of the string stored at a key.



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# File 'lib/redis.rb', line 162

def getrange(key, start, stop)
  synchronize do
    @client.call(:getrange, key, start, stop)
  end
end

- (Object) getset(key, value)

Set the string value of a key and return its old value.



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# File 'lib/redis.rb', line 169

def getset(key, value)
  synchronize do
    @client.call(:getset, key, value)
  end
end

- (Object) hdel(key, field)

Delete a hash field.



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# File 'lib/redis.rb', line 223

def hdel(key, field)
  synchronize do
    @client.call(:hdel, key, field)
  end
end

- (Object) hexists(key, field)

Determine if a hash field exists.



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# File 'lib/redis.rb', line 791

def hexists(key, field)
  synchronize do
    _bool @client.call(:hexists, key, field)
  end
end

- (Object) hget(key, field)

Get the value of a hash field.



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# File 'lib/redis.rb', line 216

def hget(key, field)
  synchronize do
    @client.call(:hget, key, field)
  end
end

- (Object) hgetall(key)

Get all the fields and values in a hash.



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# File 'lib/redis.rb', line 203

def hgetall(key)
  synchronize do
    reply = @client.call(:hgetall, key)

    if reply.kind_of?(Array)
      Hash[*reply]
    else
      reply
    end
  end
end

- (Object) hincrby(key, field, increment)

Increment the integer value of a hash field by the given number.



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# File 'lib/redis.rb', line 777

def hincrby(key, field, increment)
  synchronize do
    @client.call(:hincrby, key, field, increment)
  end
end

- (Object) hkeys(key)

Get all the fields in a hash.



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# File 'lib/redis.rb', line 230

def hkeys(key)
  synchronize do
    @client.call(:hkeys, key)
  end
end

- (Object) hlen(key)

Get the number of fields in a hash.



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# File 'lib/redis.rb', line 763

def hlen(key)
  synchronize do
    @client.call(:hlen, key)
  end
end

- (Object) hmget(key, *fields)

Get the values of all the given hash fields.



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# File 'lib/redis.rb', line 746

def hmget(key, *fields)
  synchronize do
    @client.call(:hmget, key, *fields)
  end
end

- (Object) hmset(key, *attrs)

Set multiple hash fields to multiple values.



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# File 'lib/redis.rb', line 735

def hmset(key, *attrs)
  synchronize do
    @client.call(:hmset, key, *attrs)
  end
end

- (Object) hset(key, field, value)

Set the string value of a hash field.



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# File 'lib/redis.rb', line 721

def hset(key, field, value)
  synchronize do
    _bool @client.call(:hset, key, field, value)
  end
end

- (Object) hsetnx(key, field, value)

Set the value of a hash field, only if the field does not exist.



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# File 'lib/redis.rb', line 728

def hsetnx(key, field, value)
  synchronize do
    _bool @client.call(:hsetnx, key, field, value)
  end
end

- (Object) hvals(key)

Get all the values in a hash.



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# File 'lib/redis.rb', line 770

def hvals(key)
  synchronize do
    @client.call(:hvals, key)
  end
end

- (Object) id



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# File 'lib/redis.rb', line 1054

def id
  synchronize do
    @client.id
  end
end

- (Object) incr(key)

Increment the integer value of a key by one.



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# File 'lib/redis.rb', line 901

def incr(key)
  synchronize do
    @client.call(:incr, key)
  end
end

- (Object) incrby(key, increment)

Increment the integer value of a key by the given number.



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# File 'lib/redis.rb', line 908

def incrby(key, increment)
  synchronize do
    @client.call(:incrby, key, increment)
  end
end

- (Object) info

Get information and statistics about the server.



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# File 'lib/redis.rb', line 88

def info
  synchronize do
    reply = @client.call(:info)

    if reply.kind_of?(String)
      Hash[*reply.split(/:|\r\n/).grep(/^[^#]/)]
    else
      reply
    end
  end
end

- (Object) inspect



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# File 'lib/redis.rb', line 1060

def inspect
  synchronize do
    "#<Redis client v#{Redis::VERSION} connected to #{id} (Redis v#{info["redis_version"]})>"
  end
end

- (Object) keys(pattern = "*")

Find all keys matching the given pattern.



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# File 'lib/redis.rb', line 237

def keys(pattern = "*")
  synchronize do
    reply = @client.call(:keys, pattern)

    if reply.kind_of?(String)
      reply.split(" ")
    else
      reply
    end
  end
end

- (Object) lastsave

Get the UNIX time stamp of the last successful save to disk.



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# File 'lib/redis.rb', line 271

def lastsave
  synchronize do
    @client.call(:lastsave)
  end
end

- (Object) lindex(key, index)

Get an element from a list by its index.



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# File 'lib/redis.rb', line 313

def lindex(key, index)
  synchronize do
    @client.call(:lindex, key, index)
  end
end

- (Object) linsert(key, where, pivot, value)

Insert an element before or after another element in a list.



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# File 'lib/redis.rb', line 320

def linsert(key, where, pivot, value)
  synchronize do
    @client.call(:linsert, key, where, pivot, value)
  end
end

- (Object) llen(key)

Get the length of a list.



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# File 'lib/redis.rb', line 292

def llen(key)
  synchronize do
    @client.call(:llen, key)
  end
end

- (Object) lpop(key)

Remove and get the first element in a list.



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# File 'lib/redis.rb', line 405

def lpop(key)
  synchronize do
    @client.call(:lpop, key)
  end
end

- (Object) lpush(key, value)

Prepend a value to a list.



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# File 'lib/redis.rb', line 355

def lpush(key, value)
  synchronize do
    @client.call(:lpush, key, value)
  end
end

- (Object) lpushx(key, value)

Prepend a value to a list, only if the list exists.



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# File 'lib/redis.rb', line 362

def lpushx(key, value)
  synchronize do
    @client.call(:lpushx, key, value)
  end
end

- (Object) lrange(key, start, stop)

Get a range of elements from a list.



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# File 'lib/redis.rb', line 299

def lrange(key, start, stop)
  synchronize do
    @client.call(:lrange, key, start, stop)
  end
end

- (Object) lrem(key, count, value)

Remove elements from a list.



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# File 'lib/redis.rb', line 334

def lrem(key, count, value)
  synchronize do
    @client.call(:lrem, key, count, value)
  end
end

- (Object) lset(key, index, value)

Set the value of an element in a list by its index.



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# File 'lib/redis.rb', line 327

def lset(key, index, value)
  synchronize do
    @client.call(:lset, key, index, value)
  end
end

- (Object) ltrim(key, start, stop)

Trim a list to the specified range.



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# File 'lib/redis.rb', line 306

def ltrim(key, start, stop)
  synchronize do
    @client.call(:ltrim, key, start, stop)
  end
end

- (Object) mapped_hmget(key, *fields)



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# File 'lib/redis.rb', line 752

def mapped_hmget(key, *fields)
  reply = hmget(key, *fields)

  if reply.kind_of?(Array)
    Hash[*fields.zip(reply).flatten]
  else
    reply
  end
end

- (Object) mapped_hmset(key, hash)



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# File 'lib/redis.rb', line 741

def mapped_hmset(key, hash)
  hmset(key, *hash.to_a.flatten)
end

- (Object) mapped_mget(*keys)



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# File 'lib/redis.rb', line 875

def mapped_mget(*keys)
  reply = mget(*keys)

  if reply.kind_of?(Array)
    Hash[*keys.zip(reply).flatten]
  else
    reply
  end
end

- (Object) mapped_mset(hash)



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# File 'lib/redis.rb', line 860

def mapped_mset(hash)
  mset(*hash.to_a.flatten)
end

- (Object) mapped_msetnx(hash)



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# File 'lib/redis.rb', line 871

def mapped_msetnx(hash)
  msetnx(*hash.to_a.flatten)
end

- (Object) mget(*keys)

Get the values of all the given keys.



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# File 'lib/redis.rb', line 176

def mget(*keys)
  synchronize do
    @client.call(:mget, *keys)
  end
end

- (Object) monitor(&block)

Listen for all requests received by the server in real time.



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# File 'lib/redis.rb', line 798

def monitor(&block)
  synchronize do
    @client.call_loop(:monitor, &block)
  end
end

- (Object) move(key, db)

Move a key to another database.



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# File 'lib/redis.rb', line 658

def move(key, db)
  synchronize do
    _bool @client.call(:move, key, db)
  end
end

- (Object) mset(*args)

Set multiple keys to multiple values.



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# File 'lib/redis.rb', line 854

def mset(*args)
  synchronize do
    @client.call(:mset, *args)
  end
end

- (Object) msetnx(*args)

Set multiple keys to multiple values, only if none of the keys exist.



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# File 'lib/redis.rb', line 865

def msetnx(*args)
  synchronize do
    @client.call(:msetnx, *args)
  end
end

- (Object) multi

Mark the start of a transaction block.



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# File 'lib/redis.rb', line 995

def multi
  synchronize do
    if !block_given?
      @client.call :multi
    else
      result = pipelined(:raise => false) do
        multi
        yield(self)
        exec
      end

      result.last
    end
  end
end

- (Object) persist(key)

Remove the expiration from a key.



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# File 'lib/redis.rb', line 700

def persist(key)
  synchronize do
    _bool @client.call(:persist, key)
  end
end

- (Object) ping

Ping the server.



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# File 'lib/redis.rb', line 264

def ping
  synchronize do
    @client.call(:ping)
  end
end

- (Object) pipelined(options = {})



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# File 'lib/redis.rb', line 961

def pipelined(options = {})
  synchronize do
    begin
      original, @client = @client, Pipeline.new
      yield
      original.call_pipelined(@client.commands, options) unless @client.commands.empty?
    ensure
      @client = original
    end
  end
end

- (Object) psubscribe(*channels, &block)

Listen for messages published to channels matching the given patterns.



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# File 'lib/redis.rb', line 1048

def psubscribe(*channels, &block)
  synchronize do
    subscription(:psubscribe, channels, block)
  end
end

- (Object) publish(channel, message)

Post a message to a channel.



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# File 'lib/redis.rb', line 1012

def publish(channel, message)
  synchronize do
    @client.call(:publish, channel, message)
  end
end

- (Object) punsubscribe(*channels)

Stop listening for messages posted to channels matching the given patterns.



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# File 'lib/redis.rb', line 1033

def punsubscribe(*channels)
  synchronize do
    raise RuntimeError, "Can't unsubscribe if not subscribed." unless subscribed?
    @client.punsubscribe(*channels)
  end
end

- (Object) quit

Close the connection.



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# File 'lib/redis.rb', line 936

def quit
  synchronize do
    begin
      @client.call(:quit)
    rescue Errno::ECONNRESET
    ensure
      @client.disconnect
    end
  end
end

- (Object) randomkey

Return a random key from the keyspace.



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# File 'lib/redis.rb', line 250

def randomkey
  synchronize do
    @client.call(:randomkey)
  end
end

- (Object) rename(old_name, new_name)

Rename a key.



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# File 'lib/redis.rb', line 679

def rename(old_name, new_name)
  synchronize do
    @client.call(:rename, old_name, new_name)
  end
end

- (Object) renamenx(old_name, new_name)

Rename a key, only if the new key does not exist.



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# File 'lib/redis.rb', line 686

def renamenx(old_name, new_name)
  synchronize do
    _bool @client.call(:renamenx, old_name, new_name)
  end
end

- (Object) rpop(key)

Remove and get the last element in a list.



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# File 'lib/redis.rb', line 369

def rpop(key)
  synchronize do
    @client.call(:rpop, key)
  end
end

- (Object) rpoplpush(source, destination)

Remove the last element in a list, append it to another list and return it.



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# File 'lib/redis.rb', line 398

def rpoplpush(source, destination)
  synchronize do
    @client.call(:rpoplpush, source, destination)
  end
end

- (Object) rpush(key, value)

Append a value to a list.



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# File 'lib/redis.rb', line 341

def rpush(key, value)
  synchronize do
    @client.call(:rpush, key, value)
  end
end

- (Object) rpushx(key, value)

Append a value to a list, only if the list exists.



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# File 'lib/redis.rb', line 348

def rpushx(key, value)
  synchronize do
    @client.call(:rpushx, key, value)
  end
end

- (Object) sadd(key, value)

Add a member to a set.



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# File 'lib/redis.rb', line 426

def sadd(key, value)
  synchronize do
    _bool @client.call(:sadd, key, value)
  end
end

- (Object) save

Synchronously save the dataset to disk.



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# File 'lib/redis.rb', line 127

def save
  synchronize do
    @client.call(:save)
  end
end

- (Object) scard(key)

Get the number of members in a set.



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# File 'lib/redis.rb', line 454

def scard(key)
  synchronize do
    @client.call(:scard, key)
  end
end

- (Object) sdiff(*keys)

Subtract multiple sets.



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# File 'lib/redis.rb', line 489

def sdiff(*keys)
  synchronize do
    @client.call(:sdiff, *keys)
  end
end

- (Object) sdiffstore(destination, *keys)

Subtract multiple sets and store the resulting set in a key.



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# File 'lib/redis.rb', line 496

def sdiffstore(destination, *keys)
  synchronize do
    @client.call(:sdiffstore, destination, *keys)
  end
end

- (Object) select(db)

Change the selected database for the current connection.



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# File 'lib/redis.rb', line 80

def select(db)
  synchronize do
    @client.db = db
    @client.call(:select, db)
  end
end

- (Object) set(key, value)

Set the string value of a key.



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# File 'lib/redis.rb', line 826

def set(key, value)
  synchronize do
    @client.call(:set, key, value)
  end
end

- (Object) setbit(key, offset, value)

Sets or clears the bit at offset in the string value stored at key.



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# File 'lib/redis.rb', line 833

def setbit(key, offset, value)
  synchronize do
    @client.call(:setbit, key, offset, value)
  end
end

- (Object) setex(key, ttl, value)

Set the value and expiration of a key.



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# File 'lib/redis.rb', line 840

def setex(key, ttl, value)
  synchronize do
    @client.call(:setex, key, ttl, value)
  end
end

- (Object) setnx(key, value)

Set the value of a key, only if the key does not exist.



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# File 'lib/redis.rb', line 665

def setnx(key, value)
  synchronize do
    _bool @client.call(:setnx, key, value)
  end
end

- (Object) setrange(key, offset, value)

Overwrite part of a string at key starting at the specified offset.



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# File 'lib/redis.rb', line 847

def setrange(key, offset, value)
  synchronize do
    @client.call(:setrange, key, offset, value)
  end
end

- (Object) shutdown

Synchronously save the dataset to disk and then shut down the server.



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# File 'lib/redis.rb', line 948

def shutdown
  synchronize do
    @client.call(:shutdown)
  end
end

- (Object) sinter(*keys)

Intersect multiple sets.



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# File 'lib/redis.rb', line 461

def sinter(*keys)
  synchronize do
    @client.call(:sinter, *keys)
  end
end

- (Object) sinterstore(destination, *keys)

Intersect multiple sets and store the resulting set in a key.



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# File 'lib/redis.rb', line 468

def sinterstore(destination, *keys)
  synchronize do
    @client.call(:sinterstore, destination, *keys)
  end
end

- (Object) sismember(key, member)

Determine if a given value is a member of a set.



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# File 'lib/redis.rb', line 419

def sismember(key, member)
  synchronize do
    _bool @client.call(:sismember, key, member)
  end
end

- (Object) slaveof(host, port)

Make the server a slave of another instance, or promote it as master.



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# File 'lib/redis.rb', line 955

def slaveof(host, port)
  synchronize do
    @client.call(:slaveof, host, port)
  end
end

- (Object) smembers(key)

Get all the members in a set.



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# File 'lib/redis.rb', line 412

def smembers(key)
  synchronize do
    @client.call(:smembers, key)
  end
end

- (Object) smove(source, destination, member)

Move a member from one set to another.



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# File 'lib/redis.rb', line 440

def smove(source, destination, member)
  synchronize do
    _bool @client.call(:smove, source, destination, member)
  end
end

- (Object) sort(key, options = {})

Sort the elements in a list, set or sorted set.



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# File 'lib/redis.rb', line 886

def sort(key, options = {})
  command = CommandOptions.new(options) do |c|
    c.value :by
    c.splat :limit
    c.multi :get
    c.words :order
    c.value :store
  end

  synchronize do
    @client.call(:sort, key, *command.to_a)
  end
end

- (Object) spop(key)

Remove and return a random member from a set.



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# File 'lib/redis.rb', line 447

def spop(key)
  synchronize do
    @client.call(:spop, key)
  end
end

- (Object) srandmember(key)

Get a random member from a set.



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# File 'lib/redis.rb', line 503

def srandmember(key)
  synchronize do
    @client.call(:srandmember, key)
  end
end

- (Object) srem(key, value)

Remove a member from a set.



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# File 'lib/redis.rb', line 433

def srem(key, value)
  synchronize do
    _bool @client.call(:srem, key, value)
  end
end

- (Object) strlen(key)

Get the length of the value stored in a key.



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# File 'lib/redis.rb', line 196

def strlen(key)
  synchronize do
    @client.call(:strlen, key)
  end
end

- (Object) subscribe(*channels, &block)

Listen for messages published to the given channels.



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# File 'lib/redis.rb', line 1041

def subscribe(*channels, &block)
  synchronize do
    subscription(:subscribe, channels, block)
  end
end

- (Boolean) subscribed?

Returns:

  • (Boolean)


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# File 'lib/redis.rb', line 1018

def subscribed?
  synchronize do
    @client.kind_of? SubscribedClient
  end
end

- (Object) substr(key, start, stop)



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# File 'lib/redis.rb', line 189

def substr(key, start, stop)
  synchronize do
    @client.call(:substr, key, start, stop)
  end
end

- (Object) sunion(*keys)

Add multiple sets.



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# File 'lib/redis.rb', line 475

def sunion(*keys)
  synchronize do
    @client.call(:sunion, *keys)
  end
end

- (Object) sunionstore(destination, *keys)

Add multiple sets and store the resulting set in a key.



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# File 'lib/redis.rb', line 482

def sunionstore(destination, *keys)
  synchronize do
    @client.call(:sunionstore, destination, *keys)
  end
end

- (Object) sync

Internal command used for replication.



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# File 'lib/redis.rb', line 811

def sync
  synchronize do
    @client.call(:sync)
  end
end

- (Object) ttl(key)

Get the time to live for a key.



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# File 'lib/redis.rb', line 707

def ttl(key)
  synchronize do
    @client.call(:ttl, key)
  end
end

- (Object) type(key)

Determine the type stored at key.



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# File 'lib/redis.rb', line 929

def type(key)
  synchronize do
    @client.call(:type, key)
  end
end

- (Object) unsubscribe(*channels)

Stop listening for messages posted to the given channels.



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# File 'lib/redis.rb', line 1025

def unsubscribe(*channels)
  synchronize do
    raise RuntimeError, "Can't unsubscribe if not subscribed." unless subscribed?
    @client.unsubscribe(*channels)
  end
end

- (Object) unwatch

Forget about all watched keys.



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# File 'lib/redis.rb', line 981

def unwatch
  synchronize do
    @client.call(:unwatch)
  end
end

- (Object) watch(*keys)

Watch the given keys to determine execution of the MULTI/EXEC block.



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# File 'lib/redis.rb', line 974

def watch(*keys)
  synchronize do
    @client.call(:watch, *keys)
  end
end

- (Object) without_reconnect(&block)

Run code without the client reconnecting



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# File 'lib/redis.rb', line 66

def without_reconnect(&block)
  synchronize do
    @client.without_reconnect(&block)
  end
end

- (Object) zadd(key, score, member)

Add a member to a sorted set, or update its score if it already exists.



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# File 'lib/redis.rb', line 510

def zadd(key, score, member)
  synchronize do
    _bool @client.call(:zadd, key, score, member)
  end
end

- (Object) zcard(key)

Get the number of members in a sorted set.



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# File 'lib/redis.rb', line 539

def zcard(key)
  synchronize do
    @client.call(:zcard, key)
  end
end

- (Object) zcount(key, start, stop)

Count the members in a sorted set with scores within the given values.



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# File 'lib/redis.rb', line 571

def zcount(key, start, stop)
  synchronize do
    @client.call(:zcount, key, start, stop)
  end
end

- (Object) zincrby(key, increment, member)

Increment the score of a member in a sorted set.



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# File 'lib/redis.rb', line 532

def zincrby(key, increment, member)
  synchronize do
    @client.call(:zincrby, key, increment, member)
  end
end

- (Object) zinterstore(destination, keys, options = {})

Intersect multiple sorted sets and store the resulting sorted set in a new key.



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# File 'lib/redis.rb', line 634

def zinterstore(destination, keys, options = {})
  command = CommandOptions.new(options) do |c|
    c.splat :weights
    c.value :aggregate
  end

  synchronize do
    @client.call(:zinterstore, destination, keys.size, *(keys + command.to_a))
  end
end

- (Object) zrange(key, start, stop, options = {})

Return a range of members in a sorted set, by index.



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# File 'lib/redis.rb', line 546

def zrange(key, start, stop, options = {})
  command = CommandOptions.new(options) do |c|
    c.bool :withscores
    c.bool :with_scores
  end

  synchronize do
    @client.call(:zrange, key, start, stop, *command.to_a)
  end
end

- (Object) zrangebyscore(key, min, max, options = {})

Return a range of members in a sorted set, by score.



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# File 'lib/redis.rb', line 558

def zrangebyscore(key, min, max, options = {})
  command = CommandOptions.new(options) do |c|
    c.splat :limit
    c.bool  :withscores
    c.bool  :with_scores
  end

  synchronize do
    @client.call(:zrangebyscore, key, min, max, *command.to_a)
  end
end

- (Object) zrank(key, member)

Determine the index of a member in a sorted set.



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# File 'lib/redis.rb', line 517

def zrank(key, member)
  synchronize do
    @client.call(:zrank, key, member)
  end
end

- (Object) zrem(key, member)

Remove a member from a sorted set.



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# File 'lib/redis.rb', line 626

def zrem(key, member)
  synchronize do
    _bool @client.call(:zrem, key, member)
  end
end

- (Object) zremrangebyrank(key, start, stop)

Remove all members in a sorted set within the given indexes.



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# File 'lib/redis.rb', line 612

def zremrangebyrank(key, start, stop)
  synchronize do
    @client.call(:zremrangebyrank, key, start, stop)
  end
end

- (Object) zremrangebyscore(key, min, max)

Remove all members in a sorted set within the given scores.



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# File 'lib/redis.rb', line 605

def zremrangebyscore(key, min, max)
  synchronize do
    @client.call(:zremrangebyscore, key, min, max)
  end
end

- (Object) zrevrange(key, start, stop, options = {})

Return a range of members in a sorted set, by index, with scores ordered from high to low.



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# File 'lib/redis.rb', line 579

def zrevrange(key, start, stop, options = {})
  command = CommandOptions.new(options) do |c|
    c.bool :withscores
    c.bool :with_scores
  end

  synchronize do
    @client.call(:zrevrange, key, start, stop, *command.to_a)
  end
end

- (Object) zrevrangebyscore(key, max, min, options = {})

Return a range of members in a sorted set, by score, with scores ordered from high to low.



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# File 'lib/redis.rb', line 592

def zrevrangebyscore(key, max, min, options = {})
  command = CommandOptions.new(options) do |c|
    c.splat :limit
    c.bool  :withscores
    c.bool  :with_scores
  end

  synchronize do
    @client.call(:zrevrangebyscore, key, max, min, *command.to_a)
  end
end

- (Object) zrevrank(key, member)

Determine the index of a member in a sorted set, with scores ordered from high to low.



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# File 'lib/redis.rb', line 525

def zrevrank(key, member)
  synchronize do
    @client.call(:zrevrank, key, member)
  end
end

- (Object) zscore(key, member)

Get the score associated with the given member in a sorted set.



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# File 'lib/redis.rb', line 619

def zscore(key, member)
  synchronize do
    @client.call(:zscore, key, member)
  end
end

- (Object) zunionstore(destination, keys, options = {})

Add multiple sorted sets and store the resulting sorted set in a new key.



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# File 'lib/redis.rb', line 646

def zunionstore(destination, keys, options = {})
  command = CommandOptions.new(options) do |c|
    c.splat :weights
    c.value :aggregate
  end

  synchronize do
    @client.call(:zunionstore, destination, keys.size, *(keys + command.to_a))
  end
end