exredis Build Status Hex.pm

Installation

{:exredis, ">= 0.2.4"}

Configuration

config :exredis,
 host: "127.0.0.1",
 port: 6379,
 password: "",
 db: 0,
 reconnect: :no_reconnect,
 max_queue: :infinity

config :exredis,
 url: "redis://user:password@host:1234/10",
 reconnect: :no_reconnect,
 max_queue: :infinity

Usage (web docs)

defmodule Pi do
 import Exredis
 def get, do: start_link |> elem(1) |> query ["GET", "Pi"]
 def set, do: start_link |> elem(1) |> query ["SET", "Pi", "3.14"]
end
Pi.set
# => "OK"
Pi.get
# => "3.14"

defmodule Api do
 import Exredis.Api
 def set(client), do:
 client |> set "key", "value"
 def get(client), do:
 client |> get "key"
end
{:ok, client} = Exredis.start_link
client |> Api.set
# => "OK"
client |> Api.get
# => "value"

{:ok, client} = Exredis.start_link
# or
client = Exredis.start_using_connection_string("redis://127.0.0.1:6379")

client |> Exredis.stop

# set
client |> Exredis.query ["SET", "FOO", "BAR"]
# get
client |> Exredis.query ["GET", "FOO"]
# => "BAR"

# mset
client |> Exredis.query ["MSET" | ["key1", "value1", "key2", "value2", "key3", "value3"]]
# mget
client |> Exredis.query ["MGET" | ["key1", "key2", "key3"]]
# => ["value1", "value2", "value3"]

# start
client |> Exredis.query ["MULTI"]
# exec
client |> Exredis.query ["SET", "foo", "bar"]
client |> Exredis.query ["SET", "bar", "baz"]
# commit
client |> Exredis.query ["EXEC"]

client |> Exredis.query_pipe [["SET", :a, "1"], ["LPUSH", :b, "3"], ["LPUSH", :b, "2"]]

{:ok, client_sub} = Exredis.Sub.start_link
{:ok, client} = Exredis.start_link
pid = Kernel.self
client_sub |> Exredis.Sub.subscribe "foo", fn(msg) ->
 send(pid, msg)
end
receive do
 msg ->
 IO.inspect msg
 # => {:subscribed, "foo", #PID<0.85.0>}
end
client |> Exredis.Api.publish "foo", "Hello World!"
receive do
 msg ->
 IO.inspect msg
 # => {:message, "foo", "Hello World!", #PID<0.85.0>}
end

{:ok, client_sub} = Exredis.Sub.start_link
{:ok, client} = Exredis.start_link
pid = Kernel.self
client_sub |> Exredis.Sub.psubscribe "bar_*", fn(msg) ->
 send(pid, msg)
end
receive do
 msg ->
 IO.inspect msg
 # => {:subscribed, "bar_*", #PID<0.104.0>}
end
client |> Exredis.Api.publish "bar_test", "Hello World!"
receive do
 msg ->
 IO.inspect msg
 # => {:pmessage, "bar_*", "bar_test", "Hello World!", #PID<0.104.0>}
end

client |> Exredis.Api.script_load "return 1 + 1"
# => "c301e0c5bc3538d2bad3fdbf2e281887e643ada4"
client |> Exredis.Api.evalsha "c301e0c5bc3538d2bad3fdbf2e281887e643ada4", 0, ["key1"], ["argv1"]
# => "2"
defmodule MyScripts do
 import Exredis.Script
 defredis_script :lua_echo, "return ARGV[1]"
 defredis_script :huge_command, file_path: "lua_scripts/huge_command.lua"
end
client |> MyScripts.lua_echo(["mykey"], ["foo"])
# => "foo"

Contributing