redis

package module
v6.10.2+incompatible Latest Latest
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 Go to latest Published: Mar 14, 2018 License: BSD-2-Clause Imports: 27 Imported by: 0

README

Redis client for Golang

Build Status GoDoc Airbrake

Supports:

API docs: https://godoc.org/github.com/go-redis/redis. Examples: https://godoc.org/github.com/go-redis/redis#pkg-examples.

Installation

Install:

go get -u github.com/go-redis/redis

Import:

import "github.com/go-redis/redis"

Quickstart

func ExampleNewClient() {
	client := redis.NewClient(&redis.Options{
		Addr:     "localhost:6379",
		Password: "", // no password set
		DB:       0,  // use default DB
	})

	pong, err := client.Ping().Result()
	fmt.Println(pong, err)
	// Output: PONG <nil>
}

func ExampleClient() {
	err := client.Set("key", "value", 0).Err()
	if err != nil {
		panic(err)
	}

	val, err := client.Get("key").Result()
	if err != nil {
		panic(err)
	}
	fmt.Println("key", val)

	val2, err := client.Get("key2").Result()
	if err == redis.Nil {
		fmt.Println("key2 does not exist")
	} else if err != nil {
		panic(err)
	} else {
		fmt.Println("key2", val2)
	}
	// Output: key value
	// key2 does not exist
}

Howto

Please go through examples to get an idea how to use this package.

Look and feel

Some corner cases:

SET key value EX 10 NX
set, err := client.SetNX("key", "value", 10*time.Second).Result()

SORT list LIMIT 0 2 ASC
vals, err := client.Sort("list", redis.Sort{Offset: 0, Count: 2, Order: "ASC"}).Result()

ZRANGEBYSCORE zset -inf +inf WITHSCORES LIMIT 0 2
vals, err := client.ZRangeByScoreWithScores("zset", redis.ZRangeBy{
    Min: "-inf",
    Max: "+inf",
    Offset: 0,
    Count: 2,
}).Result()

ZINTERSTORE out 2 zset1 zset2 WEIGHTS 2 3 AGGREGATE SUM
vals, err := client.ZInterStore("out", redis.ZStore{Weights: []int64{2, 3}}, "zset1", "zset2").Result()

EVAL "return {KEYS[1],ARGV[1]}" 1 "key" "hello"
vals, err := client.Eval("return {KEYS[1],ARGV[1]}", []string{"key"}, "hello").Result()

Benchmark

go-redis vs redigo:

BenchmarkSetGoRedis10Conns64Bytes-4 	  200000	      7621 ns/op	     210 B/op	       6 allocs/op
BenchmarkSetGoRedis100Conns64Bytes-4	  200000	      7554 ns/op	     210 B/op	       6 allocs/op
BenchmarkSetGoRedis10Conns1KB-4     	  200000	      7697 ns/op	     210 B/op	       6 allocs/op
BenchmarkSetGoRedis100Conns1KB-4    	  200000	      7688 ns/op	     210 B/op	       6 allocs/op
BenchmarkSetGoRedis10Conns10KB-4    	  200000	      9214 ns/op	     210 B/op	       6 allocs/op
BenchmarkSetGoRedis100Conns10KB-4   	  200000	      9181 ns/op	     210 B/op	       6 allocs/op
BenchmarkSetGoRedis10Conns1MB-4     	    2000	    583242 ns/op	    2337 B/op	       6 allocs/op
BenchmarkSetGoRedis100Conns1MB-4    	    2000	    583089 ns/op	    2338 B/op	       6 allocs/op
BenchmarkSetRedigo10Conns64Bytes-4  	  200000	      7576 ns/op	     208 B/op	       7 allocs/op
BenchmarkSetRedigo100Conns64Bytes-4 	  200000	      7782 ns/op	     208 B/op	       7 allocs/op
BenchmarkSetRedigo10Conns1KB-4      	  200000	      7958 ns/op	     208 B/op	       7 allocs/op
BenchmarkSetRedigo100Conns1KB-4     	  200000	      7725 ns/op	     208 B/op	       7 allocs/op
BenchmarkSetRedigo10Conns10KB-4     	  100000	     18442 ns/op	     208 B/op	       7 allocs/op
BenchmarkSetRedigo100Conns10KB-4    	  100000	     18818 ns/op	     208 B/op	       7 allocs/op
BenchmarkSetRedigo10Conns1MB-4      	    2000	    668829 ns/op	     226 B/op	       7 allocs/op
BenchmarkSetRedigo100Conns1MB-4     	    2000	    679542 ns/op	     226 B/op	       7 allocs/op

Redis Cluster:

BenchmarkRedisPing-4                	  200000	      6983 ns/op	     116 B/op	       4 allocs/op
BenchmarkRedisClusterPing-4         	  100000	     11535 ns/op	     117 B/op	       4 allocs/op

See also

Documentation

Overview

Package redis implements a Redis client.

Example (CustomCommand) 
package main

import (
	"fmt"

	"github.com/go-redis/redis"
)

var client *redis.Client

func main() {
	Get := func(client *redis.Client, key string) *redis.StringCmd {
		cmd := redis.NewStringCmd("get", key)
		client.Process(cmd)
		return cmd
	}

	v, err := Get(client, "key_does_not_exist").Result()
	fmt.Printf("%q %s", v, err)
}

Output:

"" redis: nil
Example (Instrumentation) 
package main

import (
	"fmt"

	"github.com/go-redis/redis"
)

func main() {
	cl := redis.NewClient(&redis.Options{
		Addr: ":6379",
	})
	cl.WrapProcess(func(old func(cmd redis.Cmder) error) func(cmd redis.Cmder) error {
		return func(cmd redis.Cmder) error {
			fmt.Printf("starting processing: <%s>\n", cmd)
			err := old(cmd)
			fmt.Printf("finished processing: <%s>\n", cmd)
			return err
		}
	})

	cl.Ping()
}

Output:

starting processing: <ping: >
finished processing: <ping: PONG>

Index

Examples

Constants

View Source 
const Nil = proto.Nil

Nil reply Redis returns when key does not exist.

View Source 
const TxFailedErr = proto.RedisError("redis: transaction failed")

TxFailedErr transaction redis failed.

Variables

This section is empty.

Functions

func SetLogger 

func SetLogger(logger *log.Logger)

Types

type BitCount 

type BitCount struct {
	Start, End int64
}

type BoolCmd 

type BoolCmd struct {
	// contains filtered or unexported fields
}

func NewBoolCmd 

func NewBoolCmd(args ...interface{}) *BoolCmd

func NewBoolResult 

func NewBoolResult(val bool, err error) *BoolCmd

NewBoolResult returns a BoolCmd initalised with val and err for testing

func (*BoolCmd) Args 

func (cmd *BoolCmd) Args() []interface{}

func (*BoolCmd) Err 

func (cmd *BoolCmd) Err() error

func (*BoolCmd) Name 

func (cmd *BoolCmd) Name() string

func (*BoolCmd) Result 

func (cmd *BoolCmd) Result() (bool, error)

func (*BoolCmd) String 

func (cmd *BoolCmd) String() string

func (*BoolCmd) Val 

func (cmd *BoolCmd) Val() bool

type BoolSliceCmd 

type BoolSliceCmd struct {
	// contains filtered or unexported fields
}

func NewBoolSliceCmd 

func NewBoolSliceCmd(args ...interface{}) *BoolSliceCmd

func NewBoolSliceResult 

func NewBoolSliceResult(val []bool, err error) *BoolSliceCmd

NewBoolSliceResult returns a BoolSliceCmd initalised with val and err for testing

func (*BoolSliceCmd) Args 

func (cmd *BoolSliceCmd) Args() []interface{}

func (*BoolSliceCmd) Err 

func (cmd *BoolSliceCmd) Err() error

func (*BoolSliceCmd) Name 

func (cmd *BoolSliceCmd) Name() string

func (*BoolSliceCmd) Result 

func (cmd *BoolSliceCmd) Result() ([]bool, error)

func (*BoolSliceCmd) String 

func (cmd *BoolSliceCmd) String() string

func (*BoolSliceCmd) Val 

func (cmd *BoolSliceCmd) Val() []bool

type Client 

type Client struct {
	// contains filtered or unexported fields
}

Client is a Redis client representing a pool of zero or more underlying connections. It's safe for concurrent use by multiple goroutines.

Example 
package main

import (
	"fmt"

	"github.com/go-redis/redis"
)

var client *redis.Client

func main() {
	err := client.Set("key", "value", 0).Err()
	if err != nil {
		panic(err)
	}

	val, err := client.Get("key").Result()
	if err != nil {
		panic(err)
	}
	fmt.Println("key", val)

	val2, err := client.Get("key2").Result()
	if err == redis.Nil {
		fmt.Println("key2 does not exist")
	} else if err != nil {
		panic(err)
	} else {
		fmt.Println("key2", val2)
	}
}

Output:

key value
key2 does not exist

func NewClient 

func NewClient(opt *Options) *Client

NewClient returns a client to the Redis Server specified by Options.

Example 
package main

import (
	"fmt"

	"github.com/go-redis/redis"
)

func main() {
	client := redis.NewClient(&redis.Options{
		Addr:     "localhost:6379",
		Password: "", // no password set
		DB:       0,  // use default DB
	})

	pong, err := client.Ping().Result()
	fmt.Println(pong, err)
}

Output:

PONG <nil>

func NewFailoverClient 

func NewFailoverClient(failoverOpt *FailoverOptions) *Client

NewFailoverClient returns a Redis client that uses Redis Sentinel for automatic failover. It's safe for concurrent use by multiple goroutines.

Example 
package main

import (
	"github.com/go-redis/redis"
)

func main() {
	// See http://redis.io/topics/sentinel for instructions how to
	// setup Redis Sentinel.
	client := redis.NewFailoverClient(&redis.FailoverOptions{
		MasterName:    "master",
		SentinelAddrs: []string{":26379"},
	})
	client.Ping()
}

Output:

func (*Client) Append 

func (c *Client) Append(key, value string) *IntCmd

func (*Client) BLPop 

func (c *Client) BLPop(timeout time.Duration, keys ...string) *StringSliceCmd
Example 
package main

import (
	"fmt"
	"time"

	"github.com/go-redis/redis"
)

var client *redis.Client

func main() {
	if err := client.RPush("queue", "message").Err(); err != nil {
		panic(err)
	}

	// use `client.BLPop(0, "queue")` for infinite waiting time
	result, err := client.BLPop(1*time.Second, "queue").Result()
	if err != nil {
		panic(err)
	}

	fmt.Println(result[0], result[1])
}

Output:

queue message

func (*Client) BRPop 

func (c *Client) BRPop(timeout time.Duration, keys ...string) *StringSliceCmd

func (*Client) BRPopLPush 

func (c *Client) BRPopLPush(source, destination string, timeout time.Duration) *StringCmd

func (*Client) BgRewriteAOF 

func (c *Client) BgRewriteAOF() *StatusCmd

func (*Client) BgSave 

func (c *Client) BgSave() *StatusCmd

func (*Client) BitCount 

func (c *Client) BitCount(key string, bitCount *BitCount) *IntCmd

func (*Client) BitOpAnd 

func (c *Client) BitOpAnd(destKey string, keys ...string) *IntCmd

func (*Client) BitOpNot 

func (c *Client) BitOpNot(destKey string, key string) *IntCmd

func (*Client) BitOpOr 

func (c *Client) BitOpOr(destKey string, keys ...string) *IntCmd

func (*Client) BitOpXor 

func (c *Client) BitOpXor(destKey string, keys ...string) *IntCmd

func (*Client) BitPos 

func (c *Client) BitPos(key string, bit int64, pos ...int64) *IntCmd

func (*Client) ClientGetName 

func (c *Client) ClientGetName() *StringCmd

ClientGetName returns the name of the connection.

func (*Client) ClientKill 

func (c *Client) ClientKill(ipPort string) *StatusCmd

func (*Client) ClientList 

func (c *Client) ClientList() *StringCmd

func (*Client) ClientPause 

func (c *Client) ClientPause(dur time.Duration) *BoolCmd

func (*Client) Close 

func (c *Client) Close() error

Close closes the client, releasing any open resources.

It is rare to Close a Client, as the Client is meant to be long-lived and shared between many goroutines.

func (*Client) ClusterAddSlots 

func (c *Client) ClusterAddSlots(slots ...int) *StatusCmd

func (*Client) ClusterAddSlotsRange 

func (c *Client) ClusterAddSlotsRange(min, max int) *StatusCmd

func (*Client) ClusterCountFailureReports 

func (c *Client) ClusterCountFailureReports(nodeID string) *IntCmd

func (*Client) ClusterCountKeysInSlot 

func (c *Client) ClusterCountKeysInSlot(slot int) *IntCmd

func (*Client) ClusterDelSlots 

func (c *Client) ClusterDelSlots(slots ...int) *StatusCmd

func (*Client) ClusterDelSlotsRange 

func (c *Client) ClusterDelSlotsRange(min, max int) *StatusCmd

func (*Client) ClusterFailover 

func (c *Client) ClusterFailover() *StatusCmd

func (*Client) ClusterForget 

func (c *Client) ClusterForget(nodeID string) *StatusCmd

func (*Client) ClusterInfo 

func (c *Client) ClusterInfo() *StringCmd

func (*Client) ClusterKeySlot 

func (c *Client) ClusterKeySlot(key string) *IntCmd

func (*Client) ClusterMeet 

func (c *Client) ClusterMeet(host, port string) *StatusCmd

func (*Client) ClusterNodes 

func (c *Client) ClusterNodes() *StringCmd

func (*Client) ClusterReplicate 

func (c *Client) ClusterReplicate(nodeID string) *StatusCmd

func (*Client) ClusterResetHard 

func (c *Client) ClusterResetHard() *StatusCmd

func (*Client) ClusterResetSoft 

func (c *Client) ClusterResetSoft() *StatusCmd

func (*Client) ClusterSaveConfig 

func (c *Client) ClusterSaveConfig() *StatusCmd

func (*Client) ClusterSlaves 

func (c *Client) ClusterSlaves(nodeID string) *StringSliceCmd

func (*Client) ClusterSlots 

func (c *Client) ClusterSlots() *ClusterSlotsCmd

func (*Client) Command 

func (c *Client) Command() *CommandsInfoCmd

func (*Client) ConfigGet 

func (c *Client) ConfigGet(parameter string) *SliceCmd

func (*Client) ConfigResetStat 

func (c *Client) ConfigResetStat() *StatusCmd

func (*Client) ConfigRewrite 

func (c *Client) ConfigRewrite() *StatusCmd

func (*Client) ConfigSet 

func (c *Client) ConfigSet(parameter, value string) *StatusCmd

func (*Client) Context 

func (c *Client) Context() context.Context

func (*Client) DBSize 

func (c *Client) DBSize() *IntCmd

func (*Client) DbSize 

func (c *Client) DbSize() *IntCmd

Deperecated. Use DBSize instead.

func (*Client) DebugObject 

func (c *Client) DebugObject(key string) *StringCmd

func (*Client) Decr 

func (c *Client) Decr(key string) *IntCmd

func (*Client) DecrBy 

func (c *Client) DecrBy(key string, decrement int64) *IntCmd

func (*Client) Del 

func (c *Client) Del(keys ...string) *IntCmd

func (*Client) Dump 

func (c *Client) Dump(key string) *StringCmd

func (*Client) Echo 

func (c *Client) Echo(message interface{}) *StringCmd

func (*Client) Eval 

func (c *Client) Eval(script string, keys []string, args ...interface{}) *Cmd

func (*Client) EvalSha 

func (c *Client) EvalSha(sha1 string, keys []string, args ...interface{}) *Cmd

func (*Client) Exists 

func (c *Client) Exists(keys ...string) *IntCmd

func (*Client) Expire 

func (c *Client) Expire(key string, expiration time.Duration) *BoolCmd

func (*Client) ExpireAt 

func (c *Client) ExpireAt(key string, tm time.Time) *BoolCmd

func (*Client) FlushAll 

func (c *Client) FlushAll() *StatusCmd

func (*Client) FlushAllAsync 

func (c *Client) FlushAllAsync() *StatusCmd

func (*Client) FlushDB 

func (c *Client) FlushDB() *StatusCmd

func (*Client) FlushDBAsync 

func (c *Client) FlushDBAsync() *StatusCmd

func (*Client) FlushDb 

func (c *Client) FlushDb() *StatusCmd

Deprecated. Use FlushDB instead.

func (*Client) GeoAdd 

func (c *Client) GeoAdd(key string, geoLocation ...*GeoLocation) *IntCmd

func (*Client) GeoDist 

func (c *Client) GeoDist(key string, member1, member2, unit string) *FloatCmd

func (*Client) GeoHash 

func (c *Client) GeoHash(key string, members ...string) *StringSliceCmd

func (*Client) GeoPos 

func (c *Client) GeoPos(key string, members ...string) *GeoPosCmd

func (*Client) GeoRadius 

func (c *Client) GeoRadius(key string, longitude, latitude float64, query *GeoRadiusQuery) *GeoLocationCmd

func (*Client) GeoRadiusByMember 

func (c *Client) GeoRadiusByMember(key, member string, query *GeoRadiusQuery) *GeoLocationCmd

func (*Client) GeoRadiusByMemberRO 

func (c *Client) GeoRadiusByMemberRO(key, member string, query *GeoRadiusQuery) *GeoLocationCmd

func (*Client) GeoRadiusRO 

func (c *Client) GeoRadiusRO(key string, longitude, latitude float64, query *GeoRadiusQuery) *GeoLocationCmd

func (*Client) Get 

func (c *Client) Get(key string) *StringCmd

Redis `GET key` command. It returns redis.Nil error when key does not exist.

func (*Client) GetBit 

func (c *Client) GetBit(key string, offset int64) *IntCmd

func (*Client) GetRange 

func (c *Client) GetRange(key string, start, end int64) *StringCmd

func (*Client) GetSet 

func (c *Client) GetSet(key string, value interface{}) *StringCmd

func (*Client) HDel 

func (c *Client) HDel(key string, fields ...string) *IntCmd

func (*Client) HExists 

func (c *Client) HExists(key, field string) *BoolCmd

func (*Client) HGet 

func (c *Client) HGet(key, field string) *StringCmd

func (*Client) HGetAll 

func (c *Client) HGetAll(key string) *StringStringMapCmd

func (*Client) HIncrBy 

func (c *Client) HIncrBy(key, field string, incr int64) *IntCmd

func (*Client) HIncrByFloat 

func (c *Client) HIncrByFloat(key, field string, incr float64) *FloatCmd

func (*Client) HKeys 

func (c *Client) HKeys(key string) *StringSliceCmd

func (*Client) HLen 

func (c *Client) HLen(key string) *IntCmd

func (*Client) HMGet 

func (c *Client) HMGet(key string, fields ...string) *SliceCmd

func (*Client) HMSet 

func (c *Client) HMSet(key string, fields map[string]interface{}) *StatusCmd

func (*Client) HScan 

func (c *Client) HScan(key string, cursor uint64, match string, count int64) *ScanCmd

func (*Client) HSet 

func (c *Client) HSet(key, field string, value interface{}) *BoolCmd

func (*Client) HSetNX 

func (c *Client) HSetNX(key, field string, value interface{}) *BoolCmd

func (*Client) HVals 

func (c *Client) HVals(key string) *StringSliceCmd

func (*Client) Incr 

func (c *Client) Incr(key string) *IntCmd
Example 
package main

import (
	"fmt"

	"github.com/go-redis/redis"
)

var client *redis.Client

func main() {
	result, err := client.Incr("counter").Result()
	if err != nil {
		panic(err)
	}

	fmt.Println(result)
}

Output:

1

func (*Client) IncrBy 

func (c *Client) IncrBy(key string, value int64) *IntCmd

func (*Client) IncrByFloat 

func (c *Client) IncrByFloat(key string, value float64) *FloatCmd

func (*Client) Info 

func (c *Client) Info(section ...string) *StringCmd

func (*Client) Keys 

func (c *Client) Keys(pattern string) *StringSliceCmd

func (*Client) LIndex 

func (c *Client) LIndex(key string, index int64) *StringCmd

func (*Client) LInsert 

func (c *Client) LInsert(key, op string, pivot, value interface{}) *IntCmd

func (*Client) LInsertAfter 

func (c *Client) LInsertAfter(key string, pivot, value interface{}) *IntCmd

func (*Client) LInsertBefore 

func (c *Client) LInsertBefore(key string, pivot, value interface{}) *IntCmd

func (*Client) LLen 

func (c *Client) LLen(key string) *IntCmd

func (*Client) LPop 

func (c *Client) LPop(key string) *StringCmd

func (*Client) LPush 

func (c *Client) LPush(key string, values ...interface{}) *IntCmd

func (*Client) LPushX 

func (c *Client) LPushX(key string, value interface{}) *IntCmd

func (*Client) LRange 

func (c *Client) LRange(key string, start, stop int64) *StringSliceCmd

func (*Client) LRem 

func (c *Client) LRem(key string, count int64, value interface{}) *IntCmd

func (*Client) LSet 

func (c *Client) LSet(key string, index int64, value interface{}) *StatusCmd

func (*Client) LTrim 

func (c *Client) LTrim(key string, start, stop int64) *StatusCmd

func (*Client) LastSave 

func (c *Client) LastSave() *IntCmd

func (*Client) MGet 

func (c *Client) MGet(keys ...string) *SliceCmd

func (*Client) MSet 

func (c *Client) MSet(pairs ...interface{}) *StatusCmd

func (*Client) MSetNX 

func (c *Client) MSetNX(pairs ...interface{}) *BoolCmd

func (*Client) Migrate 

func (c *Client) Migrate(host, port, key string, db int64, timeout time.Duration) *StatusCmd

func (*Client) Move 

func (c *Client) Move(key string, db int64) *BoolCmd

func (*Client) ObjectEncoding 

func (c *Client) ObjectEncoding(key string) *StringCmd

func (*Client) ObjectIdleTime 

func (c *Client) ObjectIdleTime(key string) *DurationCmd

func (*Client) ObjectRefCount 

func (c *Client) ObjectRefCount(key string) *IntCmd

func (*Client) Options 

func (c *Client) Options() *Options

Options returns read-only Options that were used to create the client.

func (*Client) PExpire 

func (c *Client) PExpire(key string, expiration time.Duration) *BoolCmd

func (*Client) PExpireAt 

func (c *Client) PExpireAt(key string, tm time.Time) *BoolCmd

func (*Client) PFAdd 

func (c *Client) PFAdd(key string, els ...interface{}) *IntCmd

func (*Client) PFCount 

func (c *Client) PFCount(keys ...string) *IntCmd

func (*Client) PFMerge 

func (c *Client) PFMerge(dest string, keys ...string) *StatusCmd

func (*Client) PSubscribe 

func (c *Client) PSubscribe(channels ...string) *PubSub

PSubscribe subscribes the client to the given patterns. Patterns can be omitted to create empty subscription.

func (*Client) PTTL 

func (c *Client) PTTL(key string) *DurationCmd

func (*Client) Persist 

func (c *Client) Persist(key string) *BoolCmd

func (*Client) Ping 

func (c *Client) Ping() *StatusCmd

func (*Client) Pipeline 

func (c *Client) Pipeline() Pipeliner
Example 
package main

import (
	"fmt"
	"time"

	"github.com/go-redis/redis"
)

var client *redis.Client

func main() {
	pipe := client.Pipeline()

	incr := pipe.Incr("pipeline_counter")
	pipe.Expire("pipeline_counter", time.Hour)

	// Execute
	//
	//     INCR pipeline_counter
	//     EXPIRE pipeline_counts 3600
	//
	// using one client-server roundtrip.
	_, err := pipe.Exec()
	fmt.Println(incr.Val(), err)
}

Output:

1 <nil>

func (*Client) Pipelined 

func (c *Client) Pipelined(fn func(Pipeliner) error) ([]Cmder, error)
Example 
package main

import (
	"fmt"
	"time"

	"github.com/go-redis/redis"
)

var client *redis.Client

func main() {
	var incr *redis.IntCmd
	_, err := client.Pipelined(func(pipe redis.Pipeliner) error {
		incr = pipe.Incr("pipelined_counter")
		pipe.Expire("pipelined_counter", time.Hour)
		return nil
	})
	fmt.Println(incr.Val(), err)
}

Output:

1 <nil>

func (*Client) PoolStats 

func (c *Client) PoolStats() *PoolStats

PoolStats returns connection pool stats.

func (*Client) Process 

func (c *Client) Process(cmd Cmder) error

func (*Client) PubSubChannels 

func (c *Client) PubSubChannels(pattern string) *StringSliceCmd

func (*Client) PubSubNumPat 

func (c *Client) PubSubNumPat() *IntCmd

func (*Client) PubSubNumSub 

func (c *Client) PubSubNumSub(channels ...string) *StringIntMapCmd

func (*Client) Publish 

func (c *Client) Publish(channel string, message interface{}) *IntCmd

Publish posts the message to the channel.

func (*Client) Quit 

func (c *Client) Quit() *StatusCmd

func (*Client) RPop 

func (c *Client) RPop(key string) *StringCmd

func (*Client) RPopLPush 

func (c *Client) RPopLPush(source, destination string) *StringCmd

func (*Client) RPush 

func (c *Client) RPush(key string, values ...interface{}) *IntCmd

func (*Client) RPushX 

func (c *Client) RPushX(key string, value interface{}) *IntCmd

func (*Client) RandomKey 

func (c *Client) RandomKey() *StringCmd

func (*Client) Rename 

func (c *Client) Rename(key, newkey string) *StatusCmd

func (*Client) RenameNX 

func (c *Client) RenameNX(key, newkey string) *BoolCmd

func (*Client) Restore 

func (c *Client) Restore(key string, ttl time.Duration, value string) *StatusCmd

func (*Client) RestoreReplace 

func (c *Client) RestoreReplace(key string, ttl time.Duration, value string) *StatusCmd

func (*Client) SAdd 

func (c *Client) SAdd(key string, members ...interface{}) *IntCmd

func (*Client) SCard 

func (c *Client) SCard(key string) *IntCmd

func (*Client) SDiff 

func (c *Client) SDiff(keys ...string) *StringSliceCmd

func (*Client) SDiffStore 

func (c *Client) SDiffStore(destination string, keys ...string) *IntCmd

func (*Client) SInter 

func (c *Client) SInter(keys ...string) *StringSliceCmd

func (*Client) SInterStore 

func (c *Client) SInterStore(destination string, keys ...string) *IntCmd

func (*Client) SIsMember 

func (c *Client) SIsMember(key string, member interface{}) *BoolCmd

func (*Client) SMembers 

func (c *Client) SMembers(key string) *StringSliceCmd

Redis `SMEMBERS key` command output as a slice

func (*Client) SMembersMap 

func (c *Client) SMembersMap(key string) *StringStructMapCmd

Redis `SMEMBERS key` command output as a map

func (*Client) SMove 

func (c *Client) SMove(source, destination string, member interface{}) *BoolCmd

func (*Client) SPop 

func (c *Client) SPop(key string) *StringCmd

Redis `SPOP key` command.

func (*Client) SPopN 

func (c *Client) SPopN(key string, count int64) *StringSliceCmd

Redis `SPOP key count` command.

func (*Client) SRandMember 

func (c *Client) SRandMember(key string) *StringCmd

Redis `SRANDMEMBER key` command.

func (*Client) SRandMemberN 

func (c *Client) SRandMemberN(key string, count int64) *StringSliceCmd

Redis `SRANDMEMBER key count` command.

func (*Client) SRem 

func (c *Client) SRem(key string, members ...interface{}) *IntCmd

func (*Client) SScan 

func (c *Client) SScan(key string, cursor uint64, match string, count int64) *ScanCmd

func (*Client) SUnion 

func (c *Client) SUnion(keys ...string) *StringSliceCmd

func (*Client) SUnionStore 

func (c *Client) SUnionStore(destination string, keys ...string) *IntCmd

func (*Client) Save 

func (c *Client) Save() *StatusCmd

func (*Client) Scan 

func (c *Client) Scan(cursor uint64, match string, count int64) *ScanCmd
Example 
package main

import (
	"fmt"

	"github.com/go-redis/redis"
)

var client *redis.Client

func main() {
	client.FlushDB()
	for i := 0; i < 33; i++ {
		err := client.Set(fmt.Sprintf("key%d", i), "value", 0).Err()
		if err != nil {
			panic(err)
		}
	}

	var cursor uint64
	var n int
	for {
		var keys []string
		var err error
		keys, cursor, err = client.Scan(cursor, "", 10).Result()
		if err != nil {
			panic(err)
		}
		n += len(keys)
		if cursor == 0 {
			break
		}
	}

	fmt.Printf("found %d keys\n", n)
}

Output:

found 33 keys

func (*Client) ScriptExists 

func (c *Client) ScriptExists(hashes ...string) *BoolSliceCmd

func (*Client) ScriptFlush 

func (c *Client) ScriptFlush() *StatusCmd

func (*Client) ScriptKill 

func (c *Client) ScriptKill() *StatusCmd

func (*Client) ScriptLoad 

func (c *Client) ScriptLoad(script string) *StringCmd

func (*Client) Set 

func (c *Client) Set(key string, value interface{}, expiration time.Duration) *StatusCmd

Redis `SET key value [expiration]` command.

Use expiration for `SETEX`-like behavior. Zero expiration means the key has no expiration time.

Example 
package main

import (
	"time"

	"github.com/go-redis/redis"
)

var client *redis.Client

func main() {
	// Last argument is expiration. Zero means the key has no
	// expiration time.
	err := client.Set("key", "value", 0).Err()
	if err != nil {
		panic(err)
	}

	// key2 will expire in an hour.
	err = client.Set("key2", "value", time.Hour).Err()
	if err != nil {
		panic(err)
	}
}

Output:

func (*Client) SetBit 

func (c *Client) SetBit(key string, offset int64, value int) *IntCmd

func (*Client) SetNX 

func (c *Client) SetNX(key string, value interface{}, expiration time.Duration) *BoolCmd

Redis `SET key value [expiration] NX` command.

Zero expiration means the key has no expiration time.

func (*Client) SetRange 

func (c *Client) SetRange(key string, offset int64, value string) *IntCmd

func (*Client) SetXX 

func (c *Client) SetXX(key string, value interface{}, expiration time.Duration) *BoolCmd

Redis `SET key value [expiration] XX` command.

Zero expiration means the key has no expiration time.

func (*Client) Shutdown 

func (c *Client) Shutdown() *StatusCmd

func (*Client) ShutdownNoSave 

func (c *Client) ShutdownNoSave() *StatusCmd

func (*Client) ShutdownSave 

func (c *Client) ShutdownSave() *StatusCmd

func (*Client) SlaveOf 

func (c *Client) SlaveOf(host, port string) *StatusCmd

func (*Client) SlowLog 

func (c *Client) SlowLog()

func (*Client) Sort 

func (c *Client) Sort(key string, sort *Sort) *StringSliceCmd

func (*Client) SortInterfaces 

func (c *Client) SortInterfaces(key string, sort *Sort) *SliceCmd

func (*Client) SortStore 

func (c *Client) SortStore(key, store string, sort *Sort) *IntCmd

func (*Client) StrLen 

func (c *Client) StrLen(key string) *IntCmd

func (*Client) String 

func (c *Client) String() string

func (*Client) Subscribe 

func (c *Client) Subscribe(channels ...string) *PubSub

Subscribe subscribes the client to the specified channels. Channels can be omitted to create empty subscription.

func (*Client) Sync 

func (c *Client) Sync()

func (*Client) TTL 

func (c *Client) TTL(key string) *DurationCmd

func (*Client) Time 

func (c *Client) Time() *TimeCmd

func (*Client) Touch 

func (c *Client) Touch(keys ...string) *IntCmd

func (*Client) TxPipeline 

func (c *Client) TxPipeline() Pipeliner

TxPipeline acts like Pipeline, but wraps queued commands with MULTI/EXEC.

Example 
package main

import (
	"fmt"
	"time"

	"github.com/go-redis/redis"
)

var client *redis.Client

func main() {
	pipe := client.TxPipeline()

	incr := pipe.Incr("tx_pipeline_counter")
	pipe.Expire("tx_pipeline_counter", time.Hour)

	// Execute
	//
	//     MULTI
	//     INCR pipeline_counter
	//     EXPIRE pipeline_counts 3600
	//     EXEC
	//
	// using one client-server roundtrip.
	_, err := pipe.Exec()
	fmt.Println(incr.Val(), err)
}

Output:

1 <nil>

func (*Client) TxPipelined 

func (c *Client) TxPipelined(fn func(Pipeliner) error) ([]Cmder, error)
Example 
package main

import (
	"fmt"
	"time"

	"github.com/go-redis/redis"
)

var client *redis.Client

func main() {
	var incr *redis.IntCmd
	_, err := client.TxPipelined(func(pipe redis.Pipeliner) error {
		incr = pipe.Incr("tx_pipelined_counter")
		pipe.Expire("tx_pipelined_counter", time.Hour)
		return nil
	})
	fmt.Println(incr.Val(), err)
}

Output:

1 <nil>

func (*Client) Type 

func (c *Client) Type(key string) *StatusCmd
func (c *Client) Unlink(keys ...string) *IntCmd

func (*Client) Wait 

func (c *Client) Wait(numSlaves int, timeout time.Duration) *IntCmd

func (*Client) Watch 

func (c *Client) Watch(fn func(*Tx) error, keys ...string) error
Example 
package main

import (
	"fmt"
	"strconv"
	"sync"
	"time"

	"github.com/go-redis/redis"
)

var client *redis.Client

func init() {
	client = redis.NewClient(&redis.Options{
		Addr:         ":6379",
		DialTimeout:  10 * time.Second,
		ReadTimeout:  30 * time.Second,
		WriteTimeout: 30 * time.Second,
		PoolSize:     10,
		PoolTimeout:  30 * time.Second,
	})
	client.FlushDB()
}

func main() {
	var incr func(string) error

	// Transactionally increments key using GET and SET commands.
	incr = func(key string) error {
		err := client.Watch(func(tx *redis.Tx) error {
			n, err := tx.Get(key).Int64()
			if err != nil && err != redis.Nil {
				return err
			}

			_, err = tx.Pipelined(func(pipe redis.Pipeliner) error {
				pipe.Set(key, strconv.FormatInt(n+1, 10), 0)
				return nil
			})
			return err
		}, key)
		if err == redis.TxFailedErr {
			return incr(key)
		}
		return err
	}

	var wg sync.WaitGroup
	for i := 0; i < 100; i++ {
		wg.Add(1)
		go func() {
			defer wg.Done()

			err := incr("counter3")
			if err != nil {
				panic(err)
			}
		}()
	}
	wg.Wait()

	n, err := client.Get("counter3").Int64()
	fmt.Println(n, err)
}

Output:

100 <nil>

func (*Client) WithContext 

func (c *Client) WithContext(ctx context.Context) *Client

func (*Client) WrapProcess 

func (c *Client) WrapProcess(fn func(oldProcess func(cmd Cmder) error) func(cmd Cmder) error)

WrapProcess wraps function that processes Redis commands.

func (*Client) WrapProcessPipeline 

func (c *Client) WrapProcessPipeline(
	fn func(oldProcess func([]Cmder) error) func([]Cmder) error,
)

func (*Client) ZAdd 

func (c *Client) ZAdd(key string, members ...Z) *IntCmd

Redis `ZADD key score member [score member ...]` command.

func (*Client) ZAddCh 

func (c *Client) ZAddCh(key string, members ...Z) *IntCmd

Redis `ZADD key CH score member [score member ...]` command.

func (*Client) ZAddNX 

func (c *Client) ZAddNX(key string, members ...Z) *IntCmd

Redis `ZADD key NX score member [score member ...]` command.

func (*Client) ZAddNXCh 

func (c *Client) ZAddNXCh(key string, members ...Z) *IntCmd

Redis `ZADD key NX CH score member [score member ...]` command.

func (*Client) ZAddXX 

func (c *Client) ZAddXX(key string, members ...Z) *IntCmd

Redis `ZADD key XX score member [score member ...]` command.

func (*Client) ZAddXXCh 

func (c *Client) ZAddXXCh(key string, members ...Z) *IntCmd

Redis `ZADD key XX CH score member [score member ...]` command.

func (*Client) ZCard 

func (c *Client) ZCard(key string) *IntCmd

func (*Client) ZCount 

func (c *Client) ZCount(key, min, max string) *IntCmd

func (*Client) ZIncr 

func (c *Client) ZIncr(key string, member Z) *FloatCmd

Redis `ZADD key INCR score member` command.

func (*Client) ZIncrBy 

func (c *Client) ZIncrBy(key string, increment float64, member string) *FloatCmd

func (*Client) ZIncrNX 

func (c *Client) ZIncrNX(key string, member Z) *FloatCmd

Redis `ZADD key NX INCR score member` command.

func (*Client) ZIncrXX 

func (c *Client) ZIncrXX(key string, member Z) *FloatCmd

Redis `ZADD key XX INCR score member` command.

func (*Client) ZInterStore 

func (c *Client) ZInterStore(destination string, store ZStore, keys ...string) *IntCmd

func (*Client) ZLexCount 

func (c *Client) ZLexCount(key, min, max string) *IntCmd

func (*Client) ZRange 

func (c *Client) ZRange(key string, start, stop int64) *StringSliceCmd

func (*Client) ZRangeByLex 

func (c *Client) ZRangeByLex(key string, opt ZRangeBy) *StringSliceCmd

func (*Client) ZRangeByScore 

func (c *Client) ZRangeByScore(key string, opt ZRangeBy) *StringSliceCmd

func (*Client) ZRangeByScoreWithScores 

func (c *Client) ZRangeByScoreWithScores(key string, opt ZRangeBy) *ZSliceCmd

func (*Client) ZRangeWithScores 

func (c *Client) ZRangeWithScores(key string, start, stop int64) *ZSliceCmd

func (*Client) ZRank 

func (c *Client) ZRank(key, member string) *IntCmd

func (*Client) ZRem 

func (c *Client) ZRem(key string, members ...interface{}) *IntCmd

func (*Client) ZRemRangeByLex 

func (c *Client) ZRemRangeByLex(key, min, max string) *IntCmd

func (*Client) ZRemRangeByRank 

func (c *Client) ZRemRangeByRank(key string, start, stop int64) *IntCmd

func (*Client) ZRemRangeByScore 

func (c *Client) ZRemRangeByScore(key, min, max string) *IntCmd

func (*Client) ZRevRange 

func (c *Client) ZRevRange(key string, start, stop int64) *StringSliceCmd

func (*Client) ZRevRangeByLex 

func (c *Client) ZRevRangeByLex(key string, opt ZRangeBy) *StringSliceCmd

func (*Client) ZRevRangeByScore 

func (c *Client) ZRevRangeByScore(key string, opt ZRangeBy) *StringSliceCmd

func (*Client) ZRevRangeByScoreWithScores 

func (c *Client) ZRevRangeByScoreWithScores(key string, opt ZRangeBy) *ZSliceCmd

func (*Client) ZRevRangeWithScores 

func (c *Client) ZRevRangeWithScores(key string, start, stop int64) *ZSliceCmd

func (*Client) ZRevRank 

func (c *Client) ZRevRank(key, member string) *IntCmd

func (*Client) ZScan 

func (c *Client) ZScan(key string, cursor uint64, match string, count int64) *ScanCmd

func (*Client) ZScore 

func (c *Client) ZScore(key, member string) *FloatCmd

func (*Client) ZUnionStore 

func (c *Client) ZUnionStore(dest string, store ZStore, keys ...string) *IntCmd

type ClusterClient 

type ClusterClient struct {
	// contains filtered or unexported fields
}

ClusterClient is a Redis Cluster client representing a pool of zero or more underlying connections. It's safe for concurrent use by multiple goroutines.

func NewClusterClient 

func NewClusterClient(opt *ClusterOptions) *ClusterClient

NewClusterClient returns a Redis Cluster client as described in http://redis.io/topics/cluster-spec.

Example 
package main

import (
	"github.com/go-redis/redis"
)

func main() {
	// See http://redis.io/topics/cluster-tutorial for instructions
	// how to setup Redis Cluster.
	client := redis.NewClusterClient(&redis.ClusterOptions{
		Addrs: []string{":7000", ":7001", ":7002", ":7003", ":7004", ":7005"},
	})
	client.Ping()
}

Output:

func (*ClusterClient) Append 

func (c *ClusterClient) Append(key, value string) *IntCmd

func (*ClusterClient) BLPop 

func (c *ClusterClient) BLPop(timeout time.Duration, keys ...string) *StringSliceCmd

func (*ClusterClient) BRPop 

func (c *ClusterClient) BRPop(timeout time.Duration, keys ...string) *StringSliceCmd

func (*ClusterClient) BRPopLPush 

func (c *ClusterClient) BRPopLPush(source, destination string, timeout time.Duration) *StringCmd

func (*ClusterClient) BgRewriteAOF 

func (c *ClusterClient) BgRewriteAOF() *StatusCmd

func (*ClusterClient) BgSave 

func (c *ClusterClient) BgSave() *StatusCmd

func (*ClusterClient) BitCount 

func (c *ClusterClient) BitCount(key string, bitCount *BitCount) *IntCmd

func (*ClusterClient) BitOpAnd 

func (c *ClusterClient) BitOpAnd(destKey string, keys ...string) *IntCmd

func (*ClusterClient) BitOpNot 

func (c *ClusterClient) BitOpNot(destKey string, key string) *IntCmd

func (*ClusterClient) BitOpOr 

func (c *ClusterClient) BitOpOr(destKey string, keys ...string) *IntCmd

func (*ClusterClient) BitOpXor 

func (c *ClusterClient) BitOpXor(destKey string, keys ...string) *IntCmd

func (*ClusterClient) BitPos 

func (c *ClusterClient) BitPos(key string, bit int64, pos ...int64) *IntCmd

func (*ClusterClient) ClientGetName 

func (c *ClusterClient) ClientGetName() *StringCmd

ClientGetName returns the name of the connection.

func (*ClusterClient) ClientKill 

func (c *ClusterClient) ClientKill(ipPort string) *StatusCmd

func (*ClusterClient) ClientList 

func (c *ClusterClient) ClientList() *StringCmd

func (*ClusterClient) ClientPause 

func (c *ClusterClient) ClientPause(dur time.Duration) *BoolCmd

func (*ClusterClient) Close 

func (c *ClusterClient) Close() error

Close closes the cluster client, releasing any open resources.

It is rare to Close a ClusterClient, as the ClusterClient is meant to be long-lived and shared between many goroutines.

func (*ClusterClient) ClusterAddSlots 

func (c *ClusterClient) ClusterAddSlots(slots ...int) *StatusCmd

func (*ClusterClient) ClusterAddSlotsRange 

func (c *ClusterClient) ClusterAddSlotsRange(min, max int) *StatusCmd

func (*ClusterClient) ClusterCountFailureReports 

func (c *ClusterClient) ClusterCountFailureReports(nodeID string) *IntCmd

func (*ClusterClient) ClusterCountKeysInSlot 

func (c *ClusterClient) ClusterCountKeysInSlot(slot int) *IntCmd

func (*ClusterClient) ClusterDelSlots 

func (c *ClusterClient) ClusterDelSlots(slots ...int) *StatusCmd

func (*ClusterClient) ClusterDelSlotsRange 

func (c *ClusterClient) ClusterDelSlotsRange(min, max int) *StatusCmd

func (*ClusterClient) ClusterFailover 

func (c *ClusterClient) ClusterFailover() *StatusCmd

func (*ClusterClient) ClusterForget 

func (c *ClusterClient) ClusterForget(nodeID string) *StatusCmd

func (*ClusterClient) ClusterInfo 

func (c *ClusterClient) ClusterInfo() *StringCmd

func (*ClusterClient) ClusterKeySlot 

func (c *ClusterClient) ClusterKeySlot(key string) *IntCmd

func (*ClusterClient) ClusterMeet 

func (c *ClusterClient) ClusterMeet(host, port string) *StatusCmd

func (*ClusterClient) ClusterNodes 

func (c *ClusterClient) ClusterNodes() *StringCmd

func (*ClusterClient) ClusterReplicate 

func (c *ClusterClient) ClusterReplicate(nodeID string) *StatusCmd

func (*ClusterClient) ClusterResetHard 

func (c *ClusterClient) ClusterResetHard() *StatusCmd

func (*ClusterClient) ClusterResetSoft 

func (c *ClusterClient) ClusterResetSoft() *StatusCmd

func (*ClusterClient) ClusterSaveConfig 

func (c *ClusterClient) ClusterSaveConfig() *StatusCmd

func (*ClusterClient) ClusterSlaves 

func (c *ClusterClient) ClusterSlaves(nodeID string) *StringSliceCmd

func (*ClusterClient) ClusterSlots 

func (c *ClusterClient) ClusterSlots() *ClusterSlotsCmd

func (*ClusterClient) Command 

func (c *ClusterClient) Command() *CommandsInfoCmd

func (*ClusterClient) ConfigGet 

func (c *ClusterClient) ConfigGet(parameter string) *SliceCmd

func (*ClusterClient) ConfigResetStat 

func (c *ClusterClient) ConfigResetStat() *StatusCmd

func (*ClusterClient) ConfigRewrite 

func (c *ClusterClient) ConfigRewrite() *StatusCmd

func (*ClusterClient) ConfigSet 

func (c *ClusterClient) ConfigSet(parameter, value string) *StatusCmd

func (*ClusterClient) Context 

func (c *ClusterClient) Context() context.Context

func (*ClusterClient) DBSize 

func (c *ClusterClient) DBSize() *IntCmd

func (*ClusterClient) DbSize 

func (c *ClusterClient) DbSize() *IntCmd

Deperecated. Use DBSize instead.

func (*ClusterClient) DebugObject 

func (c *ClusterClient) DebugObject(key string) *StringCmd

func (*ClusterClient) Decr 

func (c *ClusterClient) Decr(key string) *IntCmd

func (*ClusterClient) DecrBy 

func (c *ClusterClient) DecrBy(key string, decrement int64) *IntCmd

func (*ClusterClient) Del 

func (c *ClusterClient) Del(keys ...string) *IntCmd

func (*ClusterClient) Dump 

func (c *ClusterClient) Dump(key string) *StringCmd

func (*ClusterClient) Echo 

func (c *ClusterClient) Echo(message interface{}) *StringCmd

func (*ClusterClient) Eval 

func (c *ClusterClient) Eval(script string, keys []string, args ...interface{}) *Cmd

func (*ClusterClient) EvalSha 

func (c *ClusterClient) EvalSha(sha1 string, keys []string, args ...interface{}) *Cmd

func (*ClusterClient) Exists 

func (c *ClusterClient) Exists(keys ...string) *IntCmd

func (*ClusterClient) Expire 

func (c *ClusterClient) Expire(key string, expiration time.Duration) *BoolCmd

func (*ClusterClient) ExpireAt 

func (c *ClusterClient) ExpireAt(key string, tm time.Time) *BoolCmd

func (*ClusterClient) FlushAll 

func (c *ClusterClient) FlushAll() *StatusCmd

func (*ClusterClient) FlushAllAsync 

func (c *ClusterClient) FlushAllAsync() *StatusCmd

func (*ClusterClient) FlushDB 

func (c *ClusterClient) FlushDB() *StatusCmd

func (*ClusterClient) FlushDBAsync 

func (c *ClusterClient) FlushDBAsync() *StatusCmd

func (*ClusterClient) FlushDb 

func (c *ClusterClient) FlushDb() *StatusCmd

Deprecated. Use FlushDB instead.

func (*ClusterClient) ForEachMaster 

func (c *ClusterClient) ForEachMaster(fn func(client *Client) error) error

ForEachMaster concurrently calls the fn on each master node in the cluster. It returns the first error if any.

func (*ClusterClient) ForEachNode 

func (c *ClusterClient) ForEachNode(fn func(client *Client) error) error

ForEachNode concurrently calls the fn on each known node in the cluster. It returns the first error if any.

func (*ClusterClient) ForEachSlave 

func (c *ClusterClient) ForEachSlave(fn func(client *Client) error) error

ForEachSlave concurrently calls the fn on each slave node in the cluster. It returns the first error if any.

func (*ClusterClient) GeoAdd 

func (c *ClusterClient) GeoAdd(key string, geoLocation ...*GeoLocation) *IntCmd

func (*ClusterClient) GeoDist 

func (c *ClusterClient) GeoDist(key string, member1, member2, unit string) *FloatCmd

func (*ClusterClient) GeoHash 

func (c *ClusterClient) GeoHash(key string, members ...string) *StringSliceCmd

func (*ClusterClient) GeoPos 

func (c *ClusterClient) GeoPos(key string, members ...string) *GeoPosCmd

func (*ClusterClient) GeoRadius 

func (c *ClusterClient) GeoRadius(key string, longitude, latitude float64, query *GeoRadiusQuery) *GeoLocationCmd

func (*ClusterClient) GeoRadiusByMember 

func (c *ClusterClient) GeoRadiusByMember(key, member string, query *GeoRadiusQuery) *GeoLocationCmd

func (*ClusterClient) GeoRadiusByMemberRO 

func (c *ClusterClient) GeoRadiusByMemberRO(key, member string, query *GeoRadiusQuery) *GeoLocationCmd

func (*ClusterClient) GeoRadiusRO 

func (c *ClusterClient) GeoRadiusRO(key string, longitude, latitude float64, query *GeoRadiusQuery) *GeoLocationCmd

func (*ClusterClient) Get 

func (c *ClusterClient) Get(key string) *StringCmd

Redis `GET key` command. It returns redis.Nil error when key does not exist.

func (*ClusterClient) GetBit 

func (c *ClusterClient) GetBit(key string, offset int64) *IntCmd

func (*ClusterClient) GetRange 

func (c *ClusterClient) GetRange(key string, start, end int64) *StringCmd

func (*ClusterClient) GetSet 

func (c *ClusterClient) GetSet(key string, value interface{}) *StringCmd

func (*ClusterClient) HDel 

func (c *ClusterClient) HDel(key string, fields ...string) *IntCmd

func (*ClusterClient) HExists 

func (c *ClusterClient) HExists(key, field string) *BoolCmd

func (*ClusterClient) HGet 

func (c *ClusterClient) HGet(key, field string) *StringCmd

func (*ClusterClient) HGetAll 

func (c *ClusterClient) HGetAll(key string) *StringStringMapCmd

func (*ClusterClient) HIncrBy 

func (c *ClusterClient) HIncrBy(key, field string, incr int64) *IntCmd

func (*ClusterClient) HIncrByFloat 

func (c *ClusterClient) HIncrByFloat(key, field string, incr float64) *FloatCmd

func (*ClusterClient) HKeys 

func (c *ClusterClient) HKeys(key string) *StringSliceCmd

func (*ClusterClient) HLen 

func (c *ClusterClient) HLen(key string) *IntCmd

func (*ClusterClient) HMGet 

func (c *ClusterClient) HMGet(key string, fields ...string) *SliceCmd

func (*ClusterClient) HMSet 

func (c *ClusterClient) HMSet(key string, fields map[string]interface{}) *StatusCmd

func (*ClusterClient) HScan 

func (c *ClusterClient) HScan(key string, cursor uint64, match string, count int64) *ScanCmd

func (*ClusterClient) HSet 

func (c *ClusterClient) HSet(key, field string, value interface{}) *BoolCmd

func (*ClusterClient) HSetNX 

func (c *ClusterClient) HSetNX(key, field string, value interface{}) *BoolCmd

func (*ClusterClient) HVals 

func (c *ClusterClient) HVals(key string) *StringSliceCmd

func (*ClusterClient) Incr 

func (c *ClusterClient) Incr(key string) *IntCmd

func (*ClusterClient) IncrBy 

func (c *ClusterClient) IncrBy(key string, value int64) *IntCmd

func (*ClusterClient) IncrByFloat 

func (c *ClusterClient) IncrByFloat(key string, value float64) *FloatCmd

func (*ClusterClient) Info 

func (c *ClusterClient) Info(section ...string) *StringCmd

func (*ClusterClient) Keys 

func (c *ClusterClient) Keys(pattern string) *StringSliceCmd

func (*ClusterClient) LIndex 

func (c *ClusterClient) LIndex(key string, index int64) *StringCmd

func (*ClusterClient) LInsert 

func (c *ClusterClient) LInsert(key, op string, pivot, value interface{}) *IntCmd

func (*ClusterClient) LInsertAfter 

func (c *ClusterClient) LInsertAfter(key string, pivot, value interface{}) *IntCmd

func (*ClusterClient) LInsertBefore 

func (c *ClusterClient) LInsertBefore(key string, pivot, value interface{}) *IntCmd

func (*ClusterClient) LLen 

func (c *ClusterClient) LLen(key string) *IntCmd

func (*ClusterClient) LPop 

func (c *ClusterClient) LPop(key string) *StringCmd

func (*ClusterClient) LPush 

func (c *ClusterClient) LPush(key string, values ...interface{}) *IntCmd

func (*ClusterClient) LPushX 

func (c *ClusterClient) LPushX(key string, value interface{}) *IntCmd

func (*ClusterClient) LRange 

func (c *ClusterClient) LRange(key string, start, stop int64) *StringSliceCmd

func (*ClusterClient) LRem 

func (c *ClusterClient) LRem(key string, count int64, value interface{}) *IntCmd

func (*ClusterClient) LSet 

func (c *ClusterClient) LSet(key string, index int64, value interface{}) *StatusCmd

func (*ClusterClient) LTrim 

func (c *ClusterClient) LTrim(key string, start, stop int64) *StatusCmd

func (*ClusterClient) LastSave 

func (c *ClusterClient) LastSave() *IntCmd

func (*ClusterClient) MGet 

func (c *ClusterClient) MGet(keys ...string) *SliceCmd

func (*ClusterClient) MSet 

func (c *ClusterClient) MSet(pairs ...interface{}) *StatusCmd

func (*ClusterClient) MSetNX 

func (c *ClusterClient) MSetNX(pairs ...interface{}) *BoolCmd

func (*ClusterClient) Migrate 

func (c *ClusterClient) Migrate(host, port, key string, db int64, timeout time.Duration) *StatusCmd

func (*ClusterClient) Move 

func (c *ClusterClient) Move(key string, db int64) *BoolCmd

func (*ClusterClient) ObjectEncoding 

func (c *ClusterClient) ObjectEncoding(key string) *StringCmd

func (*ClusterClient) ObjectIdleTime 

func (c *ClusterClient) ObjectIdleTime(key string) *DurationCmd

func (*ClusterClient) ObjectRefCount 

func (c *ClusterClient) ObjectRefCount(key string) *IntCmd

func (*ClusterClient) Options 

func (c *ClusterClient) Options() *ClusterOptions

Options returns read-only Options that were used to create the client.

func (*ClusterClient) PExpire 

func (c *ClusterClient) PExpire(key string, expiration time.Duration) *BoolCmd

func (*ClusterClient) PExpireAt 

func (c *ClusterClient) PExpireAt(key string, tm time.Time) *BoolCmd

func (*ClusterClient) PFAdd 

func (c *ClusterClient) PFAdd(key string, els ...interface{}) *IntCmd

func (*ClusterClient) PFCount 

func (c *ClusterClient) PFCount(keys ...string) *IntCmd

func (*ClusterClient) PFMerge 

func (c *ClusterClient) PFMerge(dest string, keys ...string) *StatusCmd

func (*ClusterClient) PSubscribe 

func (c *ClusterClient) PSubscribe(channels ...string) *PubSub

PSubscribe subscribes the client to the given patterns. Patterns can be omitted to create empty subscription.

func (*ClusterClient) PTTL 

func (c *ClusterClient) PTTL(key string) *DurationCmd

func (*ClusterClient) Persist 

func (c *ClusterClient) Persist(key string) *BoolCmd

func (*ClusterClient) Ping 

func (c *ClusterClient) Ping() *StatusCmd

func (*ClusterClient) Pipeline 

func (c *ClusterClient) Pipeline() Pipeliner

func (*ClusterClient) Pipelined 

func (c *ClusterClient) Pipelined(fn func(Pipeliner) error) ([]Cmder, error)

func (*ClusterClient) PoolStats 

func (c *ClusterClient) PoolStats() *PoolStats

PoolStats returns accumulated connection pool stats.

func (*ClusterClient) Process 

func (c *ClusterClient) Process(cmd Cmder) error

func (*ClusterClient) PubSubChannels 

func (c *ClusterClient) PubSubChannels(pattern string) *StringSliceCmd

func (*ClusterClient) PubSubNumPat 

func (c *ClusterClient) PubSubNumPat() *IntCmd

func (*ClusterClient) PubSubNumSub 

func (c *ClusterClient) PubSubNumSub(channels ...string) *StringIntMapCmd

func (*ClusterClient) Publish 

func (c *ClusterClient) Publish(channel string, message interface{}) *IntCmd

Publish posts the message to the channel.

func (*ClusterClient) Quit 

func (c *ClusterClient) Quit() *StatusCmd

func (*ClusterClient) RPop 

func (c *ClusterClient) RPop(key string) *StringCmd

func (*ClusterClient) RPopLPush 

func (c *ClusterClient) RPopLPush(source, destination string) *StringCmd

func (*ClusterClient) RPush 

func (c *ClusterClient) RPush(key string, values ...interface{}) *IntCmd

func (*ClusterClient) RPushX 

func (c *ClusterClient) RPushX(key string, value interface{}) *IntCmd

func (*ClusterClient) RandomKey 

func (c *ClusterClient) RandomKey() *StringCmd

func (*ClusterClient) Rename 

func (c *ClusterClient) Rename(key, newkey string) *StatusCmd

func (*ClusterClient) RenameNX 

func (c *ClusterClient) RenameNX(key, newkey string) *BoolCmd

func (*ClusterClient) Restore 

func (c *ClusterClient) Restore(key string, ttl time.Duration, value string) *StatusCmd

func (*ClusterClient) RestoreReplace 

func (c *ClusterClient) RestoreReplace(key string, ttl time.Duration, value string) *StatusCmd

func (*ClusterClient) SAdd 

func (c *ClusterClient) SAdd(key string, members ...interface{}) *IntCmd

func (*ClusterClient) SCard 

func (c *ClusterClient) SCard(key string) *IntCmd

func (*ClusterClient) SDiff 

func (c *ClusterClient) SDiff(keys ...string) *StringSliceCmd

func (*ClusterClient) SDiffStore 

func (c *ClusterClient) SDiffStore(destination string, keys ...string) *IntCmd

func (*ClusterClient) SInter 

func (c *ClusterClient) SInter(keys ...string) *StringSliceCmd

func (*ClusterClient) SInterStore 

func (c *ClusterClient) SInterStore(destination string, keys ...string) *IntCmd

func (*ClusterClient) SIsMember 

func (c *ClusterClient) SIsMember(key string, member interface{}) *BoolCmd

func (*ClusterClient) SMembers 

func (c *ClusterClient) SMembers(key string) *StringSliceCmd

Redis `SMEMBERS key` command output as a slice

func (*ClusterClient) SMembersMap 

func (c *ClusterClient) SMembersMap(key string) *StringStructMapCmd

Redis `SMEMBERS key` command output as a map

func (*ClusterClient) SMove 

func (c *ClusterClient) SMove(source, destination string, member interface{}) *BoolCmd

func (*ClusterClient) SPop 

func (c *ClusterClient) SPop(key string) *StringCmd

Redis `SPOP key` command.

func (*ClusterClient) SPopN 

func (c *ClusterClient) SPopN(key string, count int64) *StringSliceCmd

Redis `SPOP key count` command.

func (*ClusterClient) SRandMember 

func (c *ClusterClient) SRandMember(key string) *StringCmd

Redis `SRANDMEMBER key` command.

func (*ClusterClient) SRandMemberN 

func (c *ClusterClient) SRandMemberN(key string, count int64) *StringSliceCmd

Redis `SRANDMEMBER key count` command.

func (*ClusterClient) SRem 

func (c *ClusterClient) SRem(key string, members ...interface{}) *IntCmd

func (*ClusterClient) SScan 

func (c *ClusterClient) SScan(key string, cursor uint64, match string, count int64) *ScanCmd

func (*ClusterClient) SUnion 

func (c *ClusterClient) SUnion(keys ...string) *StringSliceCmd

func (*ClusterClient) SUnionStore 

func (c *ClusterClient) SUnionStore(destination string, keys ...string) *IntCmd

func (*ClusterClient) Save 

func (c *ClusterClient) Save() *StatusCmd

func (*ClusterClient) Scan 

func (c *ClusterClient) Scan(cursor uint64, match string, count int64) *ScanCmd

func (*ClusterClient) ScriptExists 

func (c *ClusterClient) ScriptExists(hashes ...string) *BoolSliceCmd

func (*ClusterClient) ScriptFlush 

func (c *ClusterClient) ScriptFlush() *StatusCmd

func (*ClusterClient) ScriptKill 

func (c *ClusterClient) ScriptKill() *StatusCmd

func (*ClusterClient) ScriptLoad 

func (c *ClusterClient) ScriptLoad(script string) *StringCmd

func (*ClusterClient) Set 

func (c *ClusterClient) Set(key string, value interface{}, expiration time.Duration) *StatusCmd

Redis `SET key value [expiration]` command.

Use expiration for `SETEX`-like behavior. Zero expiration means the key has no expiration time.

func (*ClusterClient) SetBit 

func (c *ClusterClient) SetBit(key string, offset int64, value int) *IntCmd

func (*ClusterClient) SetNX 

func (c *ClusterClient) SetNX(key string, value interface{}, expiration time.Duration) *BoolCmd

Redis `SET key value [expiration] NX` command.

Zero expiration means the key has no expiration time.

func (*ClusterClient) SetRange 

func (c *ClusterClient) SetRange(key string, offset int64, value string) *IntCmd

func (*ClusterClient) SetXX 

func (c *ClusterClient) SetXX(key string, value interface{}, expiration time.Duration) *BoolCmd

Redis `SET key value [expiration] XX` command.

Zero expiration means the key has no expiration time.

func (*ClusterClient) Shutdown 

func (c *ClusterClient) Shutdown() *StatusCmd

func (*ClusterClient) ShutdownNoSave 

func (c *ClusterClient) ShutdownNoSave() *StatusCmd

func (*ClusterClient) ShutdownSave 

func (c *ClusterClient) ShutdownSave() *StatusCmd

func (*ClusterClient) SlaveOf 

func (c *ClusterClient) SlaveOf(host, port string) *StatusCmd

func (*ClusterClient) SlowLog 

func (c *ClusterClient) SlowLog()

func (*ClusterClient) Sort 

func (c *ClusterClient) Sort(key string, sort *Sort) *StringSliceCmd

func (*ClusterClient) SortInterfaces 

func (c *ClusterClient) SortInterfaces(key string, sort *Sort) *SliceCmd

func (*ClusterClient) SortStore 

func (c *ClusterClient) SortStore(key, store string, sort *Sort) *IntCmd

func (*ClusterClient) StrLen 

func (c *ClusterClient) StrLen(key string) *IntCmd

func (*ClusterClient) Subscribe 

func (c *ClusterClient) Subscribe(channels ...string) *PubSub

Subscribe subscribes the client to the specified channels. Channels can be omitted to create empty subscription.

func (*ClusterClient) Sync 

func (c *ClusterClient) Sync()

func (*ClusterClient) TTL 

func (c *ClusterClient) TTL(key string) *DurationCmd

func (*ClusterClient) Time 

func (c *ClusterClient) Time() *TimeCmd

func (*ClusterClient) Touch 

func (c *ClusterClient) Touch(keys ...string) *IntCmd

func (*ClusterClient) TxPipeline 

func (c *ClusterClient) TxPipeline() Pipeliner

TxPipeline acts like Pipeline, but wraps queued commands with MULTI/EXEC.

func (*ClusterClient) TxPipelined 

func (c *ClusterClient) TxPipelined(fn func(Pipeliner) error) ([]Cmder, error)

func (*ClusterClient) Type 

func (c *ClusterClient) Type(key string) *StatusCmd
func (c *ClusterClient) Unlink(keys ...string) *IntCmd

func (*ClusterClient) Wait 

func (c *ClusterClient) Wait(numSlaves int, timeout time.Duration) *IntCmd

func (*ClusterClient) Watch 

func (c *ClusterClient) Watch(fn func(*Tx) error, keys ...string) error

func (*ClusterClient) WithContext 

func (c *ClusterClient) WithContext(ctx context.Context) *ClusterClient

func (*ClusterClient) WrapProcess 

func (c *ClusterClient) WrapProcess(
	fn func(oldProcess func(Cmder) error) func(Cmder) error,
)

func (*ClusterClient) WrapProcessPipeline 

func (c *ClusterClient) WrapProcessPipeline(
	fn func(oldProcess func([]Cmder) error) func([]Cmder) error,
)

func (*ClusterClient) ZAdd 

func (c *ClusterClient) ZAdd(key string, members ...Z) *IntCmd

Redis `ZADD key score member [score member ...]` command.

func (*ClusterClient) ZAddCh 

func (c *ClusterClient) ZAddCh(key string, members ...Z) *IntCmd

Redis `ZADD key CH score member [score member ...]` command.

func (*ClusterClient) ZAddNX 

func (c *ClusterClient) ZAddNX(key string, members ...Z) *IntCmd

Redis `ZADD key NX score member [score member ...]` command.

func (*ClusterClient) ZAddNXCh 

func (c *ClusterClient) ZAddNXCh(key string, members ...Z) *IntCmd

Redis `ZADD key NX CH score member [score member ...]` command.

func (*ClusterClient) ZAddXX 

func (c *ClusterClient) ZAddXX(key string, members ...Z) *IntCmd

Redis `ZADD key XX score member [score member ...]` command.

func (*ClusterClient) ZAddXXCh 

func (c *ClusterClient) ZAddXXCh(key string, members ...Z) *IntCmd

Redis `ZADD key XX CH score member [score member ...]` command.

func (*ClusterClient) ZCard 

func (c *ClusterClient) ZCard(key string) *IntCmd

func (*ClusterClient) ZCount 

func (c *ClusterClient) ZCount(key, min, max string) *IntCmd

func (*ClusterClient) ZIncr 

func (c *ClusterClient) ZIncr(key string, member Z) *FloatCmd

Redis `ZADD key INCR score member` command.

func (*ClusterClient) ZIncrBy 

func (c *ClusterClient) ZIncrBy(key string, increment float64, member string) *FloatCmd

func (*ClusterClient) ZIncrNX 

func (c *ClusterClient) ZIncrNX(key string, member Z) *FloatCmd

Redis `ZADD key NX INCR score member` command.

func (*ClusterClient) ZIncrXX 

func (c *ClusterClient) ZIncrXX(key string, member Z) *FloatCmd

Redis `ZADD key XX INCR score member` command.

func (*ClusterClient) ZInterStore 

func (c *ClusterClient) ZInterStore(destination string, store ZStore, keys ...string) *IntCmd

func (*ClusterClient) ZLexCount 

func (c *ClusterClient) ZLexCount(key, min, max string) *IntCmd

func (*ClusterClient) ZRange 

func (c *ClusterClient) ZRange(key string, start, stop int64) *StringSliceCmd

func (*ClusterClient) ZRangeByLex 

func (c *ClusterClient) ZRangeByLex(key string, opt ZRangeBy) *StringSliceCmd

func (*ClusterClient) ZRangeByScore 

func (c *ClusterClient) ZRangeByScore(key string, opt ZRangeBy) *StringSliceCmd

func (*ClusterClient) ZRangeByScoreWithScores 

func (c *ClusterClient) ZRangeByScoreWithScores(key string, opt ZRangeBy) *ZSliceCmd

func (*ClusterClient) ZRangeWithScores 

func (c *ClusterClient) ZRangeWithScores(key string, start, stop int64) *ZSliceCmd

func (*ClusterClient) ZRank 

func (c *ClusterClient) ZRank(key, member string) *IntCmd

func (*ClusterClient) ZRem 

func (c *ClusterClient) ZRem(key string, members ...interface{}) *IntCmd

func (*ClusterClient) ZRemRangeByLex 

func (c *ClusterClient) ZRemRangeByLex(key, min, max string) *IntCmd

func (*ClusterClient) ZRemRangeByRank 

func (c *ClusterClient) ZRemRangeByRank(key string, start, stop int64) *IntCmd

func (*ClusterClient) ZRemRangeByScore 

func (c *ClusterClient) ZRemRangeByScore(key, min, max string) *IntCmd

func (*ClusterClient) ZRevRange 

func (c *ClusterClient) ZRevRange(key string, start, stop int64) *StringSliceCmd

func (*ClusterClient) ZRevRangeByLex 

func (c *ClusterClient) ZRevRangeByLex(key string, opt ZRangeBy) *StringSliceCmd

func (*ClusterClient) ZRevRangeByScore 

func (c *ClusterClient) ZRevRangeByScore(key string, opt ZRangeBy) *StringSliceCmd

func (*ClusterClient) ZRevRangeByScoreWithScores 

func (c *ClusterClient) ZRevRangeByScoreWithScores(key string, opt ZRangeBy) *ZSliceCmd

func (*ClusterClient) ZRevRangeWithScores 

func (c *ClusterClient) ZRevRangeWithScores(key string, start, stop int64) *ZSliceCmd

func (*ClusterClient) ZRevRank 

func (c *ClusterClient) ZRevRank(key, member string) *IntCmd

func (*ClusterClient) ZScan 

func (c *ClusterClient) ZScan(key string, cursor uint64, match string, count int64) *ScanCmd

func (*ClusterClient) ZScore 

func (c *ClusterClient) ZScore(key, member string) *FloatCmd

func (*ClusterClient) ZUnionStore 

func (c *ClusterClient) ZUnionStore(dest string, store ZStore, keys ...string) *IntCmd

type ClusterNode 

type ClusterNode struct {
	Id   string
	Addr string
}

type ClusterOptions 

type ClusterOptions struct {
	// A seed list of host:port addresses of cluster nodes.
	Addrs []string

	// The maximum number of retries before giving up. Command is retried
	// on network errors and MOVED/ASK redirects.
	// Default is 8.
	MaxRedirects int

	// Enables read-only commands on slave nodes.
	ReadOnly bool
	// Allows routing read-only commands to the closest master or slave node.
	RouteByLatency bool
	// Allows routing read-only commands to the random master or slave node.
	RouteRandomly bool

	OnConnect func(*Conn) error

	MaxRetries      int
	MinRetryBackoff time.Duration
	MaxRetryBackoff time.Duration
	Password        string

	DialTimeout  time.Duration
	ReadTimeout  time.Duration
	WriteTimeout time.Duration

	// PoolSize applies per cluster node and not for the whole cluster.
	PoolSize           int
	PoolTimeout        time.Duration
	IdleTimeout        time.Duration
	IdleCheckFrequency time.Duration
}

ClusterOptions are used to configure a cluster client and should be passed to NewClusterClient.

type ClusterSlot 

type ClusterSlot struct {
	Start int
	End   int
	Nodes []ClusterNode
}

type ClusterSlotsCmd 

type ClusterSlotsCmd struct {
	// contains filtered or unexported fields
}

func NewClusterSlotsCmd 

func NewClusterSlotsCmd(args ...interface{}) *ClusterSlotsCmd

func NewClusterSlotsCmdResult 

func NewClusterSlotsCmdResult(val []ClusterSlot, err error) *ClusterSlotsCmd

NewClusterSlotsCmdResult returns a ClusterSlotsCmd initalised with val and err for testing

func (*ClusterSlotsCmd) Args 

func (cmd *ClusterSlotsCmd) Args() []interface{}

func (*ClusterSlotsCmd) Err 

func (cmd *ClusterSlotsCmd) Err() error

func (*ClusterSlotsCmd) Name 

func (cmd *ClusterSlotsCmd) Name() string

func (*ClusterSlotsCmd) Result 

func (cmd *ClusterSlotsCmd) Result() ([]ClusterSlot, error)

func (*ClusterSlotsCmd) String 

func (cmd *ClusterSlotsCmd) String() string

func (*ClusterSlotsCmd) Val 

func (cmd *ClusterSlotsCmd) Val() []ClusterSlot

type Cmd 

type Cmd struct {
	// contains filtered or unexported fields
}

func NewCmd 

func NewCmd(args ...interface{}) *Cmd

func NewCmdResult 

func NewCmdResult(val interface{}, err error) *Cmd

NewCmdResult returns a Cmd initalised with val and err for testing

func (*Cmd) Args 

func (cmd *Cmd) Args() []interface{}

func (*Cmd) Err 

func (cmd *Cmd) Err() error

func (*Cmd) Name 

func (cmd *Cmd) Name() string

func (*Cmd) Result 

func (cmd *Cmd) Result() (interface{}, error)

func (*Cmd) String 

func (cmd *Cmd) String() string

func (*Cmd) Val 

func (cmd *Cmd) Val() interface{}

type Cmdable 

type Cmdable interface {
	Pipeline() Pipeliner
	Pipelined(fn func(Pipeliner) error) ([]Cmder, error)

	TxPipelined(fn func(Pipeliner) error) ([]Cmder, error)
	TxPipeline() Pipeliner

	ClientGetName() *StringCmd
	Echo(message interface{}) *StringCmd
	Ping() *StatusCmd
	Quit() *StatusCmd
	Del(keys ...string) *IntCmd
	Unlink(keys ...string) *IntCmd
	Dump(key string) *StringCmd
	Exists(keys ...string) *IntCmd
	Expire(key string, expiration time.Duration) *BoolCmd
	ExpireAt(key string, tm time.Time) *BoolCmd
	Keys(pattern string) *StringSliceCmd
	Migrate(host, port, key string, db int64, timeout time.Duration) *StatusCmd
	Move(key string, db int64) *BoolCmd
	ObjectRefCount(key string) *IntCmd
	ObjectEncoding(key string) *StringCmd
	ObjectIdleTime(key string) *DurationCmd
	Persist(key string) *BoolCmd
	PExpire(key string, expiration time.Duration) *BoolCmd
	PExpireAt(key string, tm time.Time) *BoolCmd
	PTTL(key string) *DurationCmd
	RandomKey() *StringCmd
	Rename(key, newkey string) *StatusCmd
	RenameNX(key, newkey string) *BoolCmd
	Restore(key string, ttl time.Duration, value string) *StatusCmd
	RestoreReplace(key string, ttl time.Duration, value string) *StatusCmd
	Sort(key string, sort *Sort) *StringSliceCmd
	SortStore(key, store string, sort *Sort) *IntCmd
	SortInterfaces(key string, sort *Sort) *SliceCmd
	Touch(keys ...string) *IntCmd
	TTL(key string) *DurationCmd
	Type(key string) *StatusCmd
	Scan(cursor uint64, match string, count int64) *ScanCmd
	SScan(key string, cursor uint64, match string, count int64) *ScanCmd
	HScan(key string, cursor uint64, match string, count int64) *ScanCmd
	ZScan(key string, cursor uint64, match string, count int64) *ScanCmd
	Append(key, value string) *IntCmd
	BitCount(key string, bitCount *BitCount) *IntCmd
	BitOpAnd(destKey string, keys ...string) *IntCmd
	BitOpOr(destKey string, keys ...string) *IntCmd
	BitOpXor(destKey string, keys ...string) *IntCmd
	BitOpNot(destKey string, key string) *IntCmd
	BitPos(key string, bit int64, pos ...int64) *IntCmd
	Decr(key string) *IntCmd
	DecrBy(key string, decrement int64) *IntCmd
	Get(key string) *StringCmd
	GetBit(key string, offset int64) *IntCmd
	GetRange(key string, start, end int64) *StringCmd
	GetSet(key string, value interface{}) *StringCmd
	Incr(key string) *IntCmd
	IncrBy(key string, value int64) *IntCmd
	IncrByFloat(key string, value float64) *FloatCmd
	MGet(keys ...string) *SliceCmd
	MSet(pairs ...interface{}) *StatusCmd
	MSetNX(pairs ...interface{}) *BoolCmd
	Set(key string, value interface{}, expiration time.Duration) *StatusCmd
	SetBit(key string, offset int64, value int) *IntCmd
	SetNX(key string, value interface{}, expiration time.Duration) *BoolCmd
	SetXX(key string, value interface{}, expiration time.Duration) *BoolCmd
	SetRange(key string, offset int64, value string) *IntCmd
	StrLen(key string) *IntCmd
	HDel(key string, fields ...string) *IntCmd
	HExists(key, field string) *BoolCmd
	HGet(key, field string) *StringCmd
	HGetAll(key string) *StringStringMapCmd
	HIncrBy(key, field string, incr int64) *IntCmd
	HIncrByFloat(key, field string, incr float64) *FloatCmd
	HKeys(key string) *StringSliceCmd
	HLen(key string) *IntCmd
	HMGet(key string, fields ...string) *SliceCmd
	HMSet(key string, fields map[string]interface{}) *StatusCmd
	HSet(key, field string, value interface{}) *BoolCmd
	HSetNX(key, field string, value interface{}) *BoolCmd
	HVals(key string) *StringSliceCmd
	BLPop(timeout time.Duration, keys ...string) *StringSliceCmd
	BRPop(timeout time.Duration, keys ...string) *StringSliceCmd
	BRPopLPush(source, destination string, timeout time.Duration) *StringCmd
	LIndex(key string, index int64) *StringCmd
	LInsert(key, op string, pivot, value interface{}) *IntCmd
	LInsertBefore(key string, pivot, value interface{}) *IntCmd
	LInsertAfter(key string, pivot, value interface{}) *IntCmd
	LLen(key string) *IntCmd
	LPop(key string) *StringCmd
	LPush(key string, values ...interface{}) *IntCmd
	LPushX(key string, value interface{}) *IntCmd
	LRange(key string, start, stop int64) *StringSliceCmd
	LRem(key string, count int64, value interface{}) *IntCmd
	LSet(key string, index int64, value interface{}) *StatusCmd
	LTrim(key string, start, stop int64) *StatusCmd
	RPop(key string) *StringCmd
	RPopLPush(source, destination string) *StringCmd
	RPush(key string, values ...interface{}) *IntCmd
	RPushX(key string, value interface{}) *IntCmd
	SAdd(key string, members ...interface{}) *IntCmd
	SCard(key string) *IntCmd
	SDiff(keys ...string) *StringSliceCmd
	SDiffStore(destination string, keys ...string) *IntCmd
	SInter(keys ...string) *StringSliceCmd
	SInterStore(destination string, keys ...string) *IntCmd
	SIsMember(key string, member interface{}) *BoolCmd
	SMembers(key string) *StringSliceCmd
	SMembersMap(key string) *StringStructMapCmd
	SMove(source, destination string, member interface{}) *BoolCmd
	SPop(key string) *StringCmd
	SPopN(key string, count int64) *StringSliceCmd
	SRandMember(key string) *StringCmd
	SRandMemberN(key string, count int64) *StringSliceCmd
	SRem(key string, members ...interface{}) *IntCmd
	SUnion(keys ...string) *StringSliceCmd
	SUnionStore(destination string, keys ...string) *IntCmd
	ZAdd(key string, members ...Z) *IntCmd
	ZAddNX(key string, members ...Z) *IntCmd
	ZAddXX(key string, members ...Z) *IntCmd
	ZAddCh(key string, members ...Z) *IntCmd
	ZAddNXCh(key string, members ...Z) *IntCmd
	ZAddXXCh(key string, members ...Z) *IntCmd
	ZIncr(key string, member Z) *FloatCmd
	ZIncrNX(key string, member Z) *FloatCmd
	ZIncrXX(key string, member Z) *FloatCmd
	ZCard(key string) *IntCmd
	ZCount(key, min, max string) *IntCmd
	ZLexCount(key, min, max string) *IntCmd
	ZIncrBy(key string, increment float64, member string) *FloatCmd
	ZInterStore(destination string, store ZStore, keys ...string) *IntCmd
	ZRange(key string, start, stop int64) *StringSliceCmd
	ZRangeWithScores(key string, start, stop int64) *ZSliceCmd
	ZRangeByScore(key string, opt ZRangeBy) *StringSliceCmd
	ZRangeByLex(key string, opt ZRangeBy) *StringSliceCmd
	ZRangeByScoreWithScores(key string, opt ZRangeBy) *ZSliceCmd
	ZRank(key, member string) *IntCmd
	ZRem(key string, members ...interface{}) *IntCmd
	ZRemRangeByRank(key string, start, stop int64) *IntCmd
	ZRemRangeByScore(key, min, max string) *IntCmd
	ZRemRangeByLex(key, min, max string) *IntCmd
	ZRevRange(key string, start, stop int64) *StringSliceCmd
	ZRevRangeWithScores(key string, start, stop int64) *ZSliceCmd
	ZRevRangeByScore(key string, opt ZRangeBy) *StringSliceCmd
	ZRevRangeByLex(key string, opt ZRangeBy) *StringSliceCmd
	ZRevRangeByScoreWithScores(key string, opt ZRangeBy) *ZSliceCmd
	ZRevRank(key, member string) *IntCmd
	ZScore(key, member string) *FloatCmd
	ZUnionStore(dest string, store ZStore, keys ...string) *IntCmd
	PFAdd(key string, els ...interface{}) *IntCmd
	PFCount(keys ...string) *IntCmd
	PFMerge(dest string, keys ...string) *StatusCmd
	BgRewriteAOF() *StatusCmd
	BgSave() *StatusCmd
	ClientKill(ipPort string) *StatusCmd
	ClientList() *StringCmd
	ClientPause(dur time.Duration) *BoolCmd
	ConfigGet(parameter string) *SliceCmd
	ConfigResetStat() *StatusCmd
	ConfigSet(parameter, value string) *StatusCmd
	ConfigRewrite() *StatusCmd
	DBSize() *IntCmd
	FlushAll() *StatusCmd
	FlushAllAsync() *StatusCmd
	FlushDB() *StatusCmd
	FlushDBAsync() *StatusCmd
	Info(section ...string) *StringCmd
	LastSave() *IntCmd
	Save() *StatusCmd
	Shutdown() *StatusCmd
	ShutdownSave() *StatusCmd
	ShutdownNoSave() *StatusCmd
	SlaveOf(host, port string) *StatusCmd
	Time() *TimeCmd
	Eval(script string, keys []string, args ...interface{}) *Cmd
	EvalSha(sha1 string, keys []string, args ...interface{}) *Cmd
	ScriptExists(hashes ...string) *BoolSliceCmd
	ScriptFlush() *StatusCmd
	ScriptKill() *StatusCmd
	ScriptLoad(script string) *StringCmd
	DebugObject(key string) *StringCmd
	Publish(channel string, message interface{}) *IntCmd
	PubSubChannels(pattern string) *StringSliceCmd
	PubSubNumSub(channels ...string) *StringIntMapCmd
	PubSubNumPat() *IntCmd
	ClusterSlots() *ClusterSlotsCmd
	ClusterNodes() *StringCmd
	ClusterMeet(host, port string) *StatusCmd
	ClusterForget(nodeID string) *StatusCmd
	ClusterReplicate(nodeID string) *StatusCmd
	ClusterResetSoft() *StatusCmd
	ClusterResetHard() *StatusCmd
	ClusterInfo() *StringCmd
	ClusterKeySlot(key string) *IntCmd
	ClusterCountFailureReports(nodeID string) *IntCmd
	ClusterCountKeysInSlot(slot int) *IntCmd
	ClusterDelSlots(slots ...int) *StatusCmd
	ClusterDelSlotsRange(min, max int) *StatusCmd
	ClusterSaveConfig() *StatusCmd
	ClusterSlaves(nodeID string) *StringSliceCmd
	ClusterFailover() *StatusCmd
	ClusterAddSlots(slots ...int) *StatusCmd
	ClusterAddSlotsRange(min, max int) *StatusCmd
	GeoAdd(key string, geoLocation ...*GeoLocation) *IntCmd
	GeoPos(key string, members ...string) *GeoPosCmd
	GeoRadius(key string, longitude, latitude float64, query *GeoRadiusQuery) *GeoLocationCmd
	GeoRadiusRO(key string, longitude, latitude float64, query *GeoRadiusQuery) *GeoLocationCmd
	GeoRadiusByMember(key, member string, query *GeoRadiusQuery) *GeoLocationCmd
	GeoRadiusByMemberRO(key, member string, query *GeoRadiusQuery) *GeoLocationCmd
	GeoDist(key string, member1, member2, unit string) *FloatCmd
	GeoHash(key string, members ...string) *StringSliceCmd
	Command() *CommandsInfoCmd
}

type Cmder 

type Cmder interface {
	Name() string
	Args() []interface{}

	Err() error
	fmt.Stringer
	// contains filtered or unexported methods
}

type CommandInfo 

type CommandInfo struct {
	Name        string
	Arity       int8
	Flags       []string
	FirstKeyPos int8
	LastKeyPos  int8
	StepCount   int8
	ReadOnly    bool
}

type CommandsInfoCmd 

type CommandsInfoCmd struct {
	// contains filtered or unexported fields
}

func NewCommandsInfoCmd 

func NewCommandsInfoCmd(args ...interface{}) *CommandsInfoCmd

func NewCommandsInfoCmdResult 

func NewCommandsInfoCmdResult(val map[string]*CommandInfo, err error) *CommandsInfoCmd

NewCommandsInfoCmdResult returns a CommandsInfoCmd initalised with val and err for testing

func (*CommandsInfoCmd) Args 

func (cmd *CommandsInfoCmd) Args() []interface{}

func (*CommandsInfoCmd) Err 

func (cmd *CommandsInfoCmd) Err() error

func (*CommandsInfoCmd) Name 

func (cmd *CommandsInfoCmd) Name() string

func (*CommandsInfoCmd) Result 

func (cmd *CommandsInfoCmd) Result() (map[string]*CommandInfo, error)

func (*CommandsInfoCmd) String 

func (cmd *CommandsInfoCmd) String() string

func (*CommandsInfoCmd) Val 

func (cmd *CommandsInfoCmd) Val() map[string]*CommandInfo

type Conn 

type Conn struct {
	// contains filtered or unexported fields
}

Conn is like Client, but its pool contains single connection.

func (*Conn) Auth 

func (c *Conn) Auth(password string) *StatusCmd

func (*Conn) ClientSetName 

func (c *Conn) ClientSetName(name string) *BoolCmd

ClientSetName assigns a name to the connection.

func (*Conn) Close 

func (c *Conn) Close() error

Close closes the client, releasing any open resources.

It is rare to Close a Client, as the Client is meant to be long-lived and shared between many goroutines.

func (*Conn) Pipeline 

func (c *Conn) Pipeline() Pipeliner

func (*Conn) Pipelined 

func (c *Conn) Pipelined(fn func(Pipeliner) error) ([]Cmder, error)

func (*Conn) Process 

func (c *Conn) Process(cmd Cmder) error

func (*Conn) ReadOnly 

func (c *Conn) ReadOnly() *StatusCmd

func (*Conn) ReadWrite 

func (c *Conn) ReadWrite() *StatusCmd

func (*Conn) Select 

func (c *Conn) Select(index int) *StatusCmd

func (*Conn) String 

func (c *Conn) String() string

func (*Conn) SwapDB 

func (c *Conn) SwapDB(index1, index2 int) *StatusCmd

func (*Conn) TxPipeline 

func (c *Conn) TxPipeline() Pipeliner

TxPipeline acts like Pipeline, but wraps queued commands with MULTI/EXEC.

func (*Conn) TxPipelined 

func (c *Conn) TxPipelined(fn func(Pipeliner) error) ([]Cmder, error)

func (*Conn) WrapProcess 

func (c *Conn) WrapProcess(fn func(oldProcess func(cmd Cmder) error) func(cmd Cmder) error)

WrapProcess wraps function that processes Redis commands.

func (*Conn) WrapProcessPipeline 

func (c *Conn) WrapProcessPipeline(
	fn func(oldProcess func([]Cmder) error) func([]Cmder) error,
)

type DurationCmd 

type DurationCmd struct {
	// contains filtered or unexported fields
}

func NewDurationCmd 

func NewDurationCmd(precision time.Duration, args ...interface{}) *DurationCmd

func NewDurationResult 

func NewDurationResult(val time.Duration, err error) *DurationCmd

NewDurationResult returns a DurationCmd initalised with val and err for testing

func (*DurationCmd) Args 

func (cmd *DurationCmd) Args() []interface{}

func (*DurationCmd) Err 

func (cmd *DurationCmd) Err() error

func (*DurationCmd) Name 

func (cmd *DurationCmd) Name() string

func (*DurationCmd) Result 

func (cmd *DurationCmd) Result() (time.Duration, error)

func (*DurationCmd) String 

func (cmd *DurationCmd) String() string

func (*DurationCmd) Val 

func (cmd *DurationCmd) Val() time.Duration

type FailoverOptions 

type FailoverOptions struct {
	// The master name.
	MasterName string
	// A seed list of host:port addresses of sentinel nodes.
	SentinelAddrs []string

	OnConnect func(*Conn) error

	Password string
	DB       int

	MaxRetries int

	DialTimeout  time.Duration
	ReadTimeout  time.Duration
	WriteTimeout time.Duration

	PoolSize           int
	PoolTimeout        time.Duration
	IdleTimeout        time.Duration
	IdleCheckFrequency time.Duration
}

FailoverOptions are used to configure a failover client and should be passed to NewFailoverClient.

type FloatCmd 

type FloatCmd struct {
	// contains filtered or unexported fields
}

func NewFloatCmd 

func NewFloatCmd(args ...interface{}) *FloatCmd

func NewFloatResult 

func NewFloatResult(val float64, err error) *FloatCmd

NewFloatResult returns a FloatCmd initalised with val and err for testing

func (*FloatCmd) Args 

func (cmd *FloatCmd) Args() []interface{}

func (*FloatCmd) Err 

func (cmd *FloatCmd) Err() error

func (*FloatCmd) Name 

func (cmd *FloatCmd) Name() string

func (*FloatCmd) Result 

func (cmd *FloatCmd) Result() (float64, error)

func (*FloatCmd) String 

func (cmd *FloatCmd) String() string

func (*FloatCmd) Val 

func (cmd *FloatCmd) Val() float64

type GeoLocation 

type GeoLocation struct {
	Name                      string
	Longitude, Latitude, Dist float64
	GeoHash                   int64
}

GeoLocation is used with GeoAdd to add geospatial location.

type GeoLocationCmd 

type GeoLocationCmd struct {
	// contains filtered or unexported fields
}

func NewGeoLocationCmd 

func NewGeoLocationCmd(q *GeoRadiusQuery, args ...interface{}) *GeoLocationCmd

func NewGeoLocationCmdResult 

func NewGeoLocationCmdResult(val []GeoLocation, err error) *GeoLocationCmd

NewGeoLocationCmdResult returns a GeoLocationCmd initalised with val and err for testing

func (*GeoLocationCmd) Args 

func (cmd *GeoLocationCmd) Args() []interface{}

func (*GeoLocationCmd) Err 

func (cmd *GeoLocationCmd) Err() error

func (*GeoLocationCmd) Name 

func (cmd *GeoLocationCmd) Name() string

func (*GeoLocationCmd) Result 

func (cmd *GeoLocationCmd) Result() ([]GeoLocation, error)

func (*GeoLocationCmd) String 

func (cmd *GeoLocationCmd) String() string

func (*GeoLocationCmd) Val 

func (cmd *GeoLocationCmd) Val() []GeoLocation

type GeoPos 

type GeoPos struct {
	Longitude, Latitude float64
}

type GeoPosCmd 

type GeoPosCmd struct {
	// contains filtered or unexported fields
}

func NewGeoPosCmd 

func NewGeoPosCmd(args ...interface{}) *GeoPosCmd

func (*GeoPosCmd) Args 

func (cmd *GeoPosCmd) Args() []interface{}

func (*GeoPosCmd) Err 

func (cmd *GeoPosCmd) Err() error

func (*GeoPosCmd) Name 

func (cmd *GeoPosCmd) Name() string

func (*GeoPosCmd) Result 

func (cmd *GeoPosCmd) Result() ([]*GeoPos, error)

func (*GeoPosCmd) String 

func (cmd *GeoPosCmd) String() string

func (*GeoPosCmd) Val 

func (cmd *GeoPosCmd) Val() []*GeoPos

type GeoRadiusQuery 

type GeoRadiusQuery struct {
	Radius float64
	// Can be m, km, ft, or mi. Default is km.
	Unit        string
	WithCoord   bool
	WithDist    bool
	WithGeoHash bool
	Count       int
	// Can be ASC or DESC. Default is no sort order.
	Sort      string
	Store     string
	StoreDist string
}

GeoRadiusQuery is used with GeoRadius to query geospatial index.

type IntCmd 

type IntCmd struct {
	// contains filtered or unexported fields
}

func NewIntCmd 

func NewIntCmd(args ...interface{}) *IntCmd

func NewIntResult 

func NewIntResult(val int64, err error) *IntCmd

NewIntResult returns an IntCmd initalised with val and err for testing

func (*IntCmd) Args 

func (cmd *IntCmd) Args() []interface{}

func (*IntCmd) Err 

func (cmd *IntCmd) Err() error

func (*IntCmd) Name 

func (cmd *IntCmd) Name() string

func (*IntCmd) Result 

func (cmd *IntCmd) Result() (int64, error)

func (*IntCmd) String 

func (cmd *IntCmd) String() string

func (*IntCmd) Val 

func (cmd *IntCmd) Val() int64

type Message 

type Message struct {
	Channel string
	Pattern string
	Payload string
}

Message received as result of a PUBLISH command issued by another client.

func (*Message) String 

func (m *Message) String() string

type Options 

type Options struct {
	// The network type, either tcp or unix.
	// Default is tcp.
	Network string
	// host:port address.
	Addr string

	// Dialer creates new network connection and has priority over
	// Network and Addr options.
	Dialer func() (net.Conn, error)

	// Hook that is called when new connection is established.
	OnConnect func(*Conn) error

	// Optional password. Must match the password specified in the
	// requirepass server configuration option.
	Password string
	// Database to be selected after connecting to the server.
	DB int

	// Maximum number of retries before giving up.
	// Default is to not retry failed commands.
	MaxRetries int
	// Minimum backoff between each retry.
	// Default is 8 milliseconds; -1 disables backoff.
	MinRetryBackoff time.Duration
	// Maximum backoff between each retry.
	// Default is 512 milliseconds; -1 disables backoff.
	MaxRetryBackoff time.Duration

	// Dial timeout for establishing new connections.
	// Default is 5 seconds.
	DialTimeout time.Duration
	// Timeout for socket reads. If reached, commands will fail
	// with a timeout instead of blocking.
	// Default is 3 seconds.
	ReadTimeout time.Duration
	// Timeout for socket writes. If reached, commands will fail
	// with a timeout instead of blocking.
	// Default is ReadTimeout.
	WriteTimeout time.Duration

	// Maximum number of socket connections.
	// Default is 10 connections per every CPU as reported by runtime.NumCPU.
	PoolSize int
	// Amount of time client waits for connection if all connections
	// are busy before returning an error.
	// Default is ReadTimeout + 1 second.
	PoolTimeout time.Duration
	// Amount of time after which client closes idle connections.
	// Should be less than server's timeout.
	// Default is 5 minutes.
	IdleTimeout time.Duration
	// Frequency of idle checks.
	// Default is 1 minute.
	// When minus value is set, then idle check is disabled.
	IdleCheckFrequency time.Duration

	// TLS Config to use. When set TLS will be negotiated.
	TLSConfig *tls.Config
	// contains filtered or unexported fields
}

func ParseURL 

func ParseURL(redisURL string) (*Options, error)

ParseURL parses an URL into Options that can be used to connect to Redis.

Example 
package main

import (
	"fmt"
	"time"

	"github.com/go-redis/redis"
)

var client *redis.Client

func init() {
	client = redis.NewClient(&redis.Options{
		Addr:         ":6379",
		DialTimeout:  10 * time.Second,
		ReadTimeout:  30 * time.Second,
		WriteTimeout: 30 * time.Second,
		PoolSize:     10,
		PoolTimeout:  30 * time.Second,
	})
	client.FlushDB()
}

func main() {
	opt, err := redis.ParseURL("redis://:qwerty@localhost:6379/1")
	if err != nil {
		panic(err)
	}
	fmt.Println("addr is", opt.Addr)
	fmt.Println("db is", opt.DB)
	fmt.Println("password is", opt.Password)

	// Create client as usually.
	_ = redis.NewClient(opt)

}

Output:

addr is localhost:6379
db is 1
password is qwerty

type Pipeline 

type Pipeline struct {
	// contains filtered or unexported fields
}

Pipeline implements pipelining as described in http://redis.io/topics/pipelining. It's safe for concurrent use by multiple goroutines.

Example (Instrumentation) 
package main

import (
	"fmt"

	"github.com/go-redis/redis"
)

func main() {
	client := redis.NewClient(&redis.Options{
		Addr: ":6379",
	})

	client.WrapProcessPipeline(func(old func([]redis.Cmder) error) func([]redis.Cmder) error {
		return func(cmds []redis.Cmder) error {
			fmt.Printf("pipeline starting processing: %v\n", cmds)
			err := old(cmds)
			fmt.Printf("pipeline finished processing: %v\n", cmds)
			return err
		}
	})

	client.Pipelined(func(pipe redis.Pipeliner) error {
		pipe.Ping()
		pipe.Ping()
		return nil
	})
}

Output:

pipeline starting processing: [ping:  ping: ]
pipeline finished processing: [ping: PONG ping: PONG]

func (*Pipeline) Auth 

func (c *Pipeline) Auth(password string) *StatusCmd

func (*Pipeline) ClientSetName 

func (c *Pipeline) ClientSetName(name string) *BoolCmd

ClientSetName assigns a name to the connection.

func (*Pipeline) Close 

func (c *Pipeline) Close() error

Close closes the pipeline, releasing any open resources.

func (*Pipeline) Discard 

func (c *Pipeline) Discard() error

Discard resets the pipeline and discards queued commands.

func (*Pipeline) Exec 

func (c *Pipeline) Exec() ([]Cmder, error)

Exec executes all previously queued commands using one client-server roundtrip.

Exec always returns list of commands and error of the first failed command if any.

func (*Pipeline) Pipeline 

func (c *Pipeline) Pipeline() Pipeliner

func (*Pipeline) Pipelined 

func (c *Pipeline) Pipelined(fn func(Pipeliner) error) ([]Cmder, error)

func (*Pipeline) Process 

func (c *Pipeline) Process(cmd Cmder) error

func (*Pipeline) ReadOnly 

func (c *Pipeline) ReadOnly() *StatusCmd

func (*Pipeline) ReadWrite 

func (c *Pipeline) ReadWrite() *StatusCmd

func (*Pipeline) Select 

func (c *Pipeline) Select(index int) *StatusCmd

func (*Pipeline) SwapDB 

func (c *Pipeline) SwapDB(index1, index2 int) *StatusCmd

func (*Pipeline) TxPipeline 

func (c *Pipeline) TxPipeline() Pipeliner

func (*Pipeline) TxPipelined 

func (c *Pipeline) TxPipelined(fn func(Pipeliner) error) ([]Cmder, error)

type Pipeliner 

type Pipeliner interface {
	StatefulCmdable
	Process(cmd Cmder) error
	Close() error
	Discard() error
	Exec() ([]Cmder, error)
}

type Pong 

type Pong struct {
	Payload string
}

Pong received as result of a PING command issued by another client.

func (*Pong) String 

func (p *Pong) String() string

type PoolStats 

type PoolStats pool.Stats

type PubSub 

type PubSub struct {
	// contains filtered or unexported fields
}

PubSub implements Pub/Sub commands as described in http://redis.io/topics/pubsub. It's NOT safe for concurrent use by multiple goroutines.

PubSub automatically resubscribes to the channels and patterns when Redis becomes unavailable.

Example 
package main

import (
	"fmt"
	"time"

	"github.com/go-redis/redis"
)

var client *redis.Client

func main() {
	pubsub := client.Subscribe("mychannel1")
	defer pubsub.Close()

	// Wait for subscription to be created before publishing message.
	subscr, err := pubsub.ReceiveTimeout(time.Second)
	if err != nil {
		panic(err)
	}
	fmt.Println(subscr)

	err = client.Publish("mychannel1", "hello").Err()
	if err != nil {
		panic(err)
	}

	msg, err := pubsub.ReceiveMessage()
	if err != nil {
		panic(err)
	}

	fmt.Println(msg.Channel, msg.Payload)
}

Output:

subscribe: mychannel1
mychannel1 hello

func (*PubSub) Channel 

func (c *PubSub) Channel() <-chan *Message

Channel returns a Go channel for concurrently receiving messages. The channel is closed with PubSub. Receive or ReceiveMessage APIs can not be used after channel is created.

func (*PubSub) Close 

func (c *PubSub) Close() error

func (*PubSub) PSubscribe 

func (c *PubSub) PSubscribe(patterns ...string) error

PSubscribe the client to the given patterns. It returns empty subscription if there are no patterns.

func (*PubSub) PUnsubscribe 

func (c *PubSub) PUnsubscribe(patterns ...string) error

PUnsubscribe the client from the given patterns, or from all of them if none is given.

func (*PubSub) Ping 

func (c *PubSub) Ping(payload ...string) error

func (*PubSub) Receive 

func (c *PubSub) Receive() (interface{}, error)

Receive returns a message as a Subscription, Message, Pong or error. See PubSub example for details. This is low-level API and most clients should use ReceiveMessage.

Example 
package main

import (
	"fmt"
	"time"

	"github.com/go-redis/redis"
)

var client *redis.Client

func main() {
	pubsub := client.Subscribe("mychannel2")
	defer pubsub.Close()

	for i := 0; i < 2; i++ {
		// ReceiveTimeout is a low level API. Use ReceiveMessage instead.
		msgi, err := pubsub.ReceiveTimeout(time.Second)
		if err != nil {
			break
		}

		switch msg := msgi.(type) {
		case *redis.Subscription:
			fmt.Println("subscribed to", msg.Channel)

			_, err := client.Publish("mychannel2", "hello").Result()
			if err != nil {
				panic(err)
			}
		case *redis.Message:
			fmt.Println("received", msg.Payload, "from", msg.Channel)
		default:
			panic("unreached")
		}
	}

	// sent message to 1 client
	// received hello from mychannel2
}

Output:

func (*PubSub) ReceiveMessage 

func (c *PubSub) ReceiveMessage() (*Message, error)

ReceiveMessage returns a Message or error ignoring Subscription or Pong messages. It automatically reconnects to Redis Server and resubscribes to channels in case of network errors.

func (*PubSub) ReceiveTimeout 

func (c *PubSub) ReceiveTimeout(timeout time.Duration) (interface{}, error)

ReceiveTimeout acts like Receive but returns an error if message is not received in time. This is low-level API and most clients should use ReceiveMessage.

func (*PubSub) Subscribe 

func (c *PubSub) Subscribe(channels ...string) error

Subscribe the client to the specified channels. It returns empty subscription if there are no channels.

func (*PubSub) Unsubscribe 

func (c *PubSub) Unsubscribe(channels ...string) error

Unsubscribe the client from the given channels, or from all of them if none is given.

type Ring 

type Ring struct {
	// contains filtered or unexported fields
}

Ring is a Redis client that uses constistent hashing to distribute keys across multiple Redis servers (shards). It's safe for concurrent use by multiple goroutines.

Ring monitors the state of each shard and removes dead shards from the ring. When shard comes online it is added back to the ring. This gives you maximum availability and partition tolerance, but no consistency between different shards or even clients. Each client uses shards that are available to the client and does not do any coordination when shard state is changed.

Ring should be used when you need multiple Redis servers for caching and can tolerate losing data when one of the servers dies. Otherwise you should use Redis Cluster.

func NewRing 

func NewRing(opt *RingOptions) *Ring
Example 
package main

import (
	"github.com/go-redis/redis"
)

func main() {
	client := redis.NewRing(&redis.RingOptions{
		Addrs: map[string]string{
			"shard1": ":7000",
			"shard2": ":7001",
			"shard3": ":7002",
		},
	})
	client.Ping()
}

Output:

func (*Ring) Append 

func (c *Ring) Append(key, value string) *IntCmd

func (*Ring) BLPop 

func (c *Ring) BLPop(timeout time.Duration, keys ...string) *StringSliceCmd

func (*Ring) BRPop 

func (c *Ring) BRPop(timeout time.Duration, keys ...string) *StringSliceCmd

func (*Ring) BRPopLPush 

func (c *Ring) BRPopLPush(source, destination string, timeout time.Duration) *StringCmd

func (*Ring) BgRewriteAOF 

func (c *Ring) BgRewriteAOF() *StatusCmd

func (*Ring) BgSave 

func (c *Ring) BgSave() *StatusCmd

func (*Ring) BitCount 

func (c *Ring) BitCount(key string, bitCount *BitCount) *IntCmd

func (*Ring) BitOpAnd 

func (c *Ring) BitOpAnd(destKey string, keys ...string) *IntCmd

func (*Ring) BitOpNot 

func (c *Ring) BitOpNot(destKey string, key string) *IntCmd

func (*Ring) BitOpOr 

func (c *Ring) BitOpOr(destKey string, keys ...string) *IntCmd

func (*Ring) BitOpXor 

func (c *Ring) BitOpXor(destKey string, keys ...string) *IntCmd

func (*Ring) BitPos 

func (c *Ring) BitPos(key string, bit int64, pos ...int64) *IntCmd

func (*Ring) ClientGetName 

func (c *Ring) ClientGetName() *StringCmd

ClientGetName returns the name of the connection.

func (*Ring) ClientKill 

func (c *Ring) ClientKill(ipPort string) *StatusCmd

func (*Ring) ClientList 

func (c *Ring) ClientList() *StringCmd

func (*Ring) ClientPause 

func (c *Ring) ClientPause(dur time.Duration) *BoolCmd

func (*Ring) Close 

func (c *Ring) Close() error

Close closes the ring client, releasing any open resources.

It is rare to Close a Ring, as the Ring is meant to be long-lived and shared between many goroutines.

func (*Ring) ClusterAddSlots 

func (c *Ring) ClusterAddSlots(slots ...int) *StatusCmd

func (*Ring) ClusterAddSlotsRange 

func (c *Ring) ClusterAddSlotsRange(min, max int) *StatusCmd

func (*Ring) ClusterCountFailureReports 

func (c *Ring) ClusterCountFailureReports(nodeID string) *IntCmd

func (*Ring) ClusterCountKeysInSlot 

func (c *Ring) ClusterCountKeysInSlot(slot int) *IntCmd

func (*Ring) ClusterDelSlots 

func (c *Ring) ClusterDelSlots(slots ...int) *StatusCmd

func (*Ring) ClusterDelSlotsRange 

func (c *Ring) ClusterDelSlotsRange(min, max int) *StatusCmd

func (*Ring) ClusterFailover 

func (c *Ring) ClusterFailover() *StatusCmd

func (*Ring) ClusterForget 

func (c *Ring) ClusterForget(nodeID string) *StatusCmd

func (*Ring) ClusterInfo 

func (c *Ring) ClusterInfo() *StringCmd

func (*Ring) ClusterKeySlot 

func (c *Ring) ClusterKeySlot(key string) *IntCmd

func (*Ring) ClusterMeet 

func (c *Ring) ClusterMeet(host, port string) *StatusCmd

func (*Ring) ClusterNodes 

func (c *Ring) ClusterNodes() *StringCmd

func (*Ring) ClusterReplicate 

func (c *Ring) ClusterReplicate(nodeID string) *StatusCmd

func (*Ring) ClusterResetHard 

func (c *Ring) ClusterResetHard() *StatusCmd

func (*Ring) ClusterResetSoft 

func (c *Ring) ClusterResetSoft() *StatusCmd

func (*Ring) ClusterSaveConfig 

func (c *Ring) ClusterSaveConfig() *StatusCmd

func (*Ring) ClusterSlaves 

func (c *Ring) ClusterSlaves(nodeID string) *StringSliceCmd

func (*Ring) ClusterSlots 

func (c *Ring) ClusterSlots() *ClusterSlotsCmd

func (*Ring) Command 

func (c *Ring) Command() *CommandsInfoCmd

func (*Ring) ConfigGet 

func (c *Ring) ConfigGet(parameter string) *SliceCmd

func (*Ring) ConfigResetStat 

func (c *Ring) ConfigResetStat() *StatusCmd

func (*Ring) ConfigRewrite 

func (c *Ring) ConfigRewrite() *StatusCmd

func (*Ring) ConfigSet 

func (c *Ring) ConfigSet(parameter, value string) *StatusCmd

func (*Ring) Context 

func (c *Ring) Context() context.Context

func (*Ring) DBSize 

func (c *Ring) DBSize() *IntCmd

func (*Ring) DbSize 

func (c *Ring) DbSize() *IntCmd

Deperecated. Use DBSize instead.

func (*Ring) DebugObject 

func (c *Ring) DebugObject(key string) *StringCmd

func (*Ring) Decr 

func (c *Ring) Decr(key string) *IntCmd

func (*Ring) DecrBy 

func (c *Ring) DecrBy(key string, decrement int64) *IntCmd

func (*Ring) Del 

func (c *Ring) Del(keys ...string) *IntCmd

func (*Ring) Dump 

func (c *Ring) Dump(key string) *StringCmd

func (*Ring) Echo 

func (c *Ring) Echo(message interface{}) *StringCmd

func (*Ring) Eval 

func (c *Ring) Eval(script string, keys []string, args ...interface{}) *Cmd

func (*Ring) EvalSha 

func (c *Ring) EvalSha(sha1 string, keys []string, args ...interface{}) *Cmd

func (*Ring) Exists 

func (c *Ring) Exists(keys ...string) *IntCmd

func (*Ring) Expire 

func (c *Ring) Expire(key string, expiration time.Duration) *BoolCmd

func (*Ring) ExpireAt 

func (c *Ring) ExpireAt(key string, tm time.Time) *BoolCmd

func (*Ring) FlushAll 

func (c *Ring) FlushAll() *StatusCmd

func (*Ring) FlushAllAsync 

func (c *Ring) FlushAllAsync() *StatusCmd

func (*Ring) FlushDB 

func (c *Ring) FlushDB() *StatusCmd

func (*Ring) FlushDBAsync 

func (c *Ring) FlushDBAsync() *StatusCmd

func (*Ring) FlushDb 

func (c *Ring) FlushDb() *StatusCmd

Deprecated. Use FlushDB instead.

func (*Ring) ForEachShard 

func (c *Ring) ForEachShard(fn func(client *Client) error) error

ForEachShard concurrently calls the fn on each live shard in the ring. It returns the first error if any.

func (*Ring) GeoAdd 

func (c *Ring) GeoAdd(key string, geoLocation ...*GeoLocation) *IntCmd

func (*Ring) GeoDist 

func (c *Ring) GeoDist(key string, member1, member2, unit string) *FloatCmd

func (*Ring) GeoHash 

func (c *Ring) GeoHash(key string, members ...string) *StringSliceCmd

func (*Ring) GeoPos 

func (c *Ring) GeoPos(key string, members ...string) *GeoPosCmd

func (*Ring) GeoRadius 

func (c *Ring) GeoRadius(key string, longitude, latitude float64, query *GeoRadiusQuery) *GeoLocationCmd

func (*Ring) GeoRadiusByMember 

func (c *Ring) GeoRadiusByMember(key, member string, query *GeoRadiusQuery) *GeoLocationCmd

func (*Ring) GeoRadiusByMemberRO 

func (c *Ring) GeoRadiusByMemberRO(key, member string, query *GeoRadiusQuery) *GeoLocationCmd

func (*Ring) GeoRadiusRO 

func (c *Ring) GeoRadiusRO(key string, longitude, latitude float64, query *GeoRadiusQuery) *GeoLocationCmd

func (*Ring) Get 

func (c *Ring) Get(key string) *StringCmd

Redis `GET key` command. It returns redis.Nil error when key does not exist.

func (*Ring) GetBit 

func (c *Ring) GetBit(key string, offset int64) *IntCmd

func (*Ring) GetRange 

func (c *Ring) GetRange(key string, start, end int64) *StringCmd

func (*Ring) GetSet 

func (c *Ring) GetSet(key string, value interface{}) *StringCmd

func (*Ring) HDel 

func (c *Ring) HDel(key string, fields ...string) *IntCmd

func (*Ring) HExists 

func (c *Ring) HExists(key, field string) *BoolCmd

func (*Ring) HGet 

func (c *Ring) HGet(key, field string) *StringCmd

func (*Ring) HGetAll 

func (c *Ring) HGetAll(key string) *StringStringMapCmd

func (*Ring) HIncrBy 

func (c *Ring) HIncrBy(key, field string, incr int64) *IntCmd

func (*Ring) HIncrByFloat 

func (c *Ring) HIncrByFloat(key, field string, incr float64) *FloatCmd

func (*Ring) HKeys 

func (c *Ring) HKeys(key string) *StringSliceCmd

func (*Ring) HLen 

func (c *Ring) HLen(key string) *IntCmd

func (*Ring) HMGet 

func (c *Ring) HMGet(key string, fields ...string) *SliceCmd

func (*Ring) HMSet 

func (c *Ring) HMSet(key string, fields map[string]interface{}) *StatusCmd

func (*Ring) HScan 

func (c *Ring) HScan(key string, cursor uint64, match string, count int64) *ScanCmd

func (*Ring) HSet 

func (c *Ring) HSet(key, field string, value interface{}) *BoolCmd

func (*Ring) HSetNX 

func (c *Ring) HSetNX(key, field string, value interface{}) *BoolCmd

func (*Ring) HVals 

func (c *Ring) HVals(key string) *StringSliceCmd

func (*Ring) Incr 

func (c *Ring) Incr(key string) *IntCmd

func (*Ring) IncrBy 

func (c *Ring) IncrBy(key string, value int64) *IntCmd

func (*Ring) IncrByFloat 

func (c *Ring) IncrByFloat(key string, value float64) *FloatCmd

func (*Ring) Info 

func (c *Ring) Info(section ...string) *StringCmd

func (*Ring) Keys 

func (c *Ring) Keys(pattern string) *StringSliceCmd

func (*Ring) LIndex 

func (c *Ring) LIndex(key string, index int64) *StringCmd

func (*Ring) LInsert 

func (c *Ring) LInsert(key, op string, pivot, value interface{}) *IntCmd

func (*Ring) LInsertAfter 

func (c *Ring) LInsertAfter(key string, pivot, value interface{}) *IntCmd

func (*Ring) LInsertBefore 

func (c *Ring) LInsertBefore(key string, pivot, value interface{}) *IntCmd

func (*Ring) LLen 

func (c *Ring) LLen(key string) *IntCmd

func (*Ring) LPop 

func (c *Ring) LPop(key string) *StringCmd

func (*Ring) LPush 

func (c *Ring) LPush(key string, values ...interface{}) *IntCmd

func (*Ring) LPushX 

func (c *Ring) LPushX(key string, value interface{}) *IntCmd

func (*Ring) LRange 

func (c *Ring) LRange(key string, start, stop int64) *StringSliceCmd

func (*Ring) LRem 

func (c *Ring) LRem(key string, count int64, value interface{}) *IntCmd

func (*Ring) LSet 

func (c *Ring) LSet(key string, index int64, value interface{}) *StatusCmd

func (*Ring) LTrim 

func (c *Ring) LTrim(key string, start, stop int64) *StatusCmd

func (*Ring) LastSave 

func (c *Ring) LastSave() *IntCmd

func (*Ring) MGet 

func (c *Ring) MGet(keys ...string) *SliceCmd

func (*Ring) MSet 

func (c *Ring) MSet(pairs ...interface{}) *StatusCmd

func (*Ring) MSetNX 

func (c *Ring) MSetNX(pairs ...interface{}) *BoolCmd

func (*Ring) Migrate 

func (c *Ring) Migrate(host, port, key string, db int64, timeout time.Duration) *StatusCmd

func (*Ring) Move 

func (c *Ring) Move(key string, db int64) *BoolCmd

func (*Ring) ObjectEncoding 

func (c *Ring) ObjectEncoding(key string) *StringCmd

func (*Ring) ObjectIdleTime 

func (c *Ring) ObjectIdleTime(key string) *DurationCmd

func (*Ring) ObjectRefCount 

func (c *Ring) ObjectRefCount(key string) *IntCmd

func (*Ring) Options 

func (c *Ring) Options() *RingOptions

Options returns read-only Options that were used to create the client.

func (*Ring) PExpire 

func (c *Ring) PExpire(key string, expiration time.Duration) *BoolCmd

func (*Ring) PExpireAt 

func (c *Ring) PExpireAt(key string, tm time.Time) *BoolCmd

func (*Ring) PFAdd 

func (c *Ring) PFAdd(key string, els ...interface{}) *IntCmd

func (*Ring) PFCount 

func (c *Ring) PFCount(keys ...string) *IntCmd

func (*Ring) PFMerge 

func (c *Ring) PFMerge(dest string, keys ...string) *StatusCmd

func (*Ring) PSubscribe 

func (c *Ring) PSubscribe(channels ...string) *PubSub

PSubscribe subscribes the client to the given patterns.

func (*Ring) PTTL 

func (c *Ring) PTTL(key string) *DurationCmd

func (*Ring) Persist 

func (c *Ring) Persist(key string) *BoolCmd

func (*Ring) Ping 

func (c *Ring) Ping() *StatusCmd

func (*Ring) Pipeline 

func (c *Ring) Pipeline() Pipeliner

func (*Ring) Pipelined 

func (c *Ring) Pipelined(fn func(Pipeliner) error) ([]Cmder, error)

func (*Ring) PoolStats 

func (c *Ring) PoolStats() *PoolStats

PoolStats returns accumulated connection pool stats.

func (*Ring) Process 

func (c *Ring) Process(cmd Cmder) error

func (*Ring) PubSubChannels 

func (c *Ring) PubSubChannels(pattern string) *StringSliceCmd

func (*Ring) PubSubNumPat 

func (c *Ring) PubSubNumPat() *IntCmd

func (*Ring) PubSubNumSub 

func (c *Ring) PubSubNumSub(channels ...string) *StringIntMapCmd

func (*Ring) Publish 

func (c *Ring) Publish(channel string, message interface{}) *IntCmd

Publish posts the message to the channel.

func (*Ring) Quit 

func (c *Ring) Quit() *StatusCmd

func (*Ring) RPop 

func (c *Ring) RPop(key string) *StringCmd

func (*Ring) RPopLPush 

func (c *Ring) RPopLPush(source, destination string) *StringCmd

func (*Ring) RPush 

func (c *Ring) RPush(key string, values ...interface{}) *IntCmd

func (*Ring) RPushX 

func (c *Ring) RPushX(key string, value interface{}) *IntCmd

func (*Ring) RandomKey 

func (c *Ring) RandomKey() *StringCmd

func (*Ring) Rename 

func (c *Ring) Rename(key, newkey string) *StatusCmd

func (*Ring) RenameNX 

func (c *Ring) RenameNX(key, newkey string) *BoolCmd

func (*Ring) Restore 

func (c *Ring) Restore(key string, ttl time.Duration, value string) *StatusCmd

func (*Ring) RestoreReplace 

func (c *Ring) RestoreReplace(key string, ttl time.Duration, value string) *StatusCmd

func (*Ring) SAdd 

func (c *Ring) SAdd(key string, members ...interface{}) *IntCmd

func (*Ring) SCard 

func (c *Ring) SCard(key string) *IntCmd

func (*Ring) SDiff 

func (c *Ring) SDiff(keys ...string) *StringSliceCmd

func (*Ring) SDiffStore 

func (c *Ring) SDiffStore(destination string, keys ...string) *IntCmd

func (*Ring) SInter 

func (c *Ring) SInter(keys ...string) *StringSliceCmd

func (*Ring) SInterStore 

func (c *Ring) SInterStore(destination string, keys ...string) *IntCmd

func (*Ring) SIsMember 

func (c *Ring) SIsMember(key string, member interface{}) *BoolCmd

func (*Ring) SMembers 

func (c *Ring) SMembers(key string) *StringSliceCmd

Redis `SMEMBERS key` command output as a slice

func (*Ring) SMembersMap 

func (c *Ring) SMembersMap(key string) *StringStructMapCmd

Redis `SMEMBERS key` command output as a map

func (*Ring) SMove 

func (c *Ring) SMove(source, destination string, member interface{}) *BoolCmd

func (*Ring) SPop 

func (c *Ring) SPop(key string) *StringCmd

Redis `SPOP key` command.

func (*Ring) SPopN 

func (c *Ring) SPopN(key string, count int64) *StringSliceCmd

Redis `SPOP key count` command.

func (*Ring) SRandMember 

func (c *Ring) SRandMember(key string) *StringCmd

Redis `SRANDMEMBER key` command.

func (*Ring) SRandMemberN 

func (c *Ring) SRandMemberN(key string, count int64) *StringSliceCmd

Redis `SRANDMEMBER key count` command.

func (*Ring) SRem 

func (c *Ring) SRem(key string, members ...interface{}) *IntCmd

func (*Ring) SScan 

func (c *Ring) SScan(key string, cursor uint64, match string, count int64) *ScanCmd

func (*Ring) SUnion 

func (c *Ring) SUnion(keys ...string) *StringSliceCmd

func (*Ring) SUnionStore 

func (c *Ring) SUnionStore(destination string, keys ...string) *IntCmd

func (*Ring) Save 

func (c *Ring) Save() *StatusCmd

func (*Ring) Scan 

func (c *Ring) Scan(cursor uint64, match string, count int64) *ScanCmd

func (*Ring) ScriptExists 

func (c *Ring) ScriptExists(hashes ...string) *BoolSliceCmd

func (*Ring) ScriptFlush 

func (c *Ring) ScriptFlush() *StatusCmd

func (*Ring) ScriptKill 

func (c *Ring) ScriptKill() *StatusCmd

func (*Ring) ScriptLoad 

func (c *Ring) ScriptLoad(script string) *StringCmd

func (*Ring) Set 

func (c *Ring) Set(key string, value interface{}, expiration time.Duration) *StatusCmd

Redis `SET key value [expiration]` command.

Use expiration for `SETEX`-like behavior. Zero expiration means the key has no expiration time.

func (*Ring) SetBit 

func (c *Ring) SetBit(key string, offset int64, value int) *IntCmd

func (*Ring) SetNX 

func (c *Ring) SetNX(key string, value interface{}, expiration time.Duration) *BoolCmd

Redis `SET key value [expiration] NX` command.

Zero expiration means the key has no expiration time.

func (*Ring) SetRange 

func (c *Ring) SetRange(key string, offset int64, value string) *IntCmd

func (*Ring) SetXX 

func (c *Ring) SetXX(key string, value interface{}, expiration time.Duration) *BoolCmd

Redis `SET key value [expiration] XX` command.

Zero expiration means the key has no expiration time.

func (*Ring) Shutdown 

func (c *Ring) Shutdown() *StatusCmd

func (*Ring) ShutdownNoSave 

func (c *Ring) ShutdownNoSave() *StatusCmd

func (*Ring) ShutdownSave 

func (c *Ring) ShutdownSave() *StatusCmd

func (*Ring) SlaveOf 

func (c *Ring) SlaveOf(host, port string) *StatusCmd

func (*Ring) SlowLog 

func (c *Ring) SlowLog()

func (*Ring) Sort 

func (c *Ring) Sort(key string, sort *Sort) *StringSliceCmd

func (*Ring) SortInterfaces 

func (c *Ring) SortInterfaces(key string, sort *Sort) *SliceCmd

func (*Ring) SortStore 

func (c *Ring) SortStore(key, store string, sort *Sort) *IntCmd

func (*Ring) StrLen 

func (c *Ring) StrLen(key string) *IntCmd

func (*Ring) Subscribe 

func (c *Ring) Subscribe(channels ...string) *PubSub

Subscribe subscribes the client to the specified channels.

func (*Ring) Sync 

func (c *Ring) Sync()

func (*Ring) TTL 

func (c *Ring) TTL(key string) *DurationCmd

func (*Ring) Time 

func (c *Ring) Time() *TimeCmd

func (*Ring) Touch 

func (c *Ring) Touch(keys ...string) *IntCmd

func (*Ring) TxPipeline 

func (c *Ring) TxPipeline() Pipeliner

func (*Ring) TxPipelined 

func (c *Ring) TxPipelined(fn func(Pipeliner) error) ([]Cmder, error)

func (*Ring) Type 

func (c *Ring) Type(key string) *StatusCmd
func (c *Ring) Unlink(keys ...string) *IntCmd

func (*Ring) Wait 

func (c *Ring) Wait(numSlaves int, timeout time.Duration) *IntCmd

func (*Ring) WithContext 

func (c *Ring) WithContext(ctx context.Context) *Ring

func (*Ring) WrapProcess 

func (c *Ring) WrapProcess(fn func(oldProcess func(cmd Cmder) error) func(cmd Cmder) error)

func (*Ring) WrapProcessPipeline 

func (c *Ring) WrapProcessPipeline(
	fn func(oldProcess func([]Cmder) error) func([]Cmder) error,
)

func (*Ring) ZAdd 

func (c *Ring) ZAdd(key string, members ...Z) *IntCmd

Redis `ZADD key score member [score member ...]` command.

func (*Ring) ZAddCh 

func (c *Ring) ZAddCh(key string, members ...Z) *IntCmd

Redis `ZADD key CH score member [score member ...]` command.

func (*Ring) ZAddNX 

func (c *Ring) ZAddNX(key string, members ...Z) *IntCmd

Redis `ZADD key NX score member [score member ...]` command.

func (*Ring) ZAddNXCh 

func (c *Ring) ZAddNXCh(key string, members ...Z) *IntCmd

Redis `ZADD key NX CH score member [score member ...]` command.

func (*Ring) ZAddXX 

func (c *Ring) ZAddXX(key string, members ...Z) *IntCmd

Redis `ZADD key XX score member [score member ...]` command.

func (*Ring) ZAddXXCh 

func (c *Ring) ZAddXXCh(key string, members ...Z) *IntCmd

Redis `ZADD key XX CH score member [score member ...]` command.

func (*Ring) ZCard 

func (c *Ring) ZCard(key string) *IntCmd

func (*Ring) ZCount 

func (c *Ring) ZCount(key, min, max string) *IntCmd

func (*Ring) ZIncr 

func (c *Ring) ZIncr(key string, member Z) *FloatCmd

Redis `ZADD key INCR score member` command.

func (*Ring) ZIncrBy 

func (c *Ring) ZIncrBy(key string, increment float64, member string) *FloatCmd

func (*Ring) ZIncrNX 

func (c *Ring) ZIncrNX(key string, member Z) *FloatCmd

Redis `ZADD key NX INCR score member` command.

func (*Ring) ZIncrXX 

func (c *Ring) ZIncrXX(key string, member Z) *FloatCmd

Redis `ZADD key XX INCR score member` command.

func (*Ring) ZInterStore 

func (c *Ring) ZInterStore(destination string, store ZStore, keys ...string) *IntCmd

func (*Ring) ZLexCount 

func (c *Ring) ZLexCount(key, min, max string) *IntCmd

func (*Ring) ZRange 

func (c *Ring) ZRange(key string, start, stop int64) *StringSliceCmd

func (*Ring) ZRangeByLex 

func (c *Ring) ZRangeByLex(key string, opt ZRangeBy) *StringSliceCmd

func (*Ring) ZRangeByScore 

func (c *Ring) ZRangeByScore(key string, opt ZRangeBy) *StringSliceCmd

func (*Ring) ZRangeByScoreWithScores 

func (c *Ring) ZRangeByScoreWithScores(key string, opt ZRangeBy) *ZSliceCmd

func (*Ring) ZRangeWithScores 

func (c *Ring) ZRangeWithScores(key string, start, stop int64) *ZSliceCmd

func (*Ring) ZRank 

func (c *Ring) ZRank(key, member string) *IntCmd

func (*Ring) ZRem 

func (c *Ring) ZRem(key string, members ...interface{}) *IntCmd

func (*Ring) ZRemRangeByLex 

func (c *Ring) ZRemRangeByLex(key, min, max string) *IntCmd

func (*Ring) ZRemRangeByRank 

func (c *Ring) ZRemRangeByRank(key string, start, stop int64) *IntCmd

func (*Ring) ZRemRangeByScore 

func (c *Ring) ZRemRangeByScore(key, min, max string) *IntCmd

func (*Ring) ZRevRange 

func (c *Ring) ZRevRange(key string, start, stop int64) *StringSliceCmd

func (*Ring) ZRevRangeByLex 

func (c *Ring) ZRevRangeByLex(key string, opt ZRangeBy) *StringSliceCmd

func (*Ring) ZRevRangeByScore 

func (c *Ring) ZRevRangeByScore(key string, opt ZRangeBy) *StringSliceCmd

func (*Ring) ZRevRangeByScoreWithScores 

func (c *Ring) ZRevRangeByScoreWithScores(key string, opt ZRangeBy) *ZSliceCmd

func (*Ring) ZRevRangeWithScores 

func (c *Ring) ZRevRangeWithScores(key string, start, stop int64) *ZSliceCmd

func (*Ring) ZRevRank 

func (c *Ring) ZRevRank(key, member string) *IntCmd

func (*Ring) ZScan 

func (c *Ring) ZScan(key string, cursor uint64, match string, count int64) *ScanCmd

func (*Ring) ZScore 

func (c *Ring) ZScore(key, member string) *FloatCmd

func (*Ring) ZUnionStore 

func (c *Ring) ZUnionStore(dest string, store ZStore, keys ...string) *IntCmd

type RingOptions 

type RingOptions struct {
	// Map of name => host:port addresses of ring shards.
	Addrs map[string]string

	// Frequency of PING commands sent to check shards availability.
	// Shard is considered down after 3 subsequent failed checks.
	HeartbeatFrequency time.Duration

	OnConnect func(*Conn) error

	DB       int
	Password string

	MaxRetries      int
	MinRetryBackoff time.Duration
	MaxRetryBackoff time.Duration

	DialTimeout  time.Duration
	ReadTimeout  time.Duration
	WriteTimeout time.Duration

	PoolSize           int
	PoolTimeout        time.Duration
	IdleTimeout        time.Duration
	IdleCheckFrequency time.Duration
}

RingOptions are used to configure a ring client and should be passed to NewRing.

type ScanCmd 

type ScanCmd struct {
	// contains filtered or unexported fields
}

func NewScanCmd 

func NewScanCmd(process func(cmd Cmder) error, args ...interface{}) *ScanCmd

func NewScanCmdResult 

func NewScanCmdResult(keys []string, cursor uint64, err error) *ScanCmd

NewScanCmdResult returns a ScanCmd initalised with val and err for testing

func (*ScanCmd) Args 

func (cmd *ScanCmd) Args() []interface{}

func (*ScanCmd) Err 

func (cmd *ScanCmd) Err() error

func (*ScanCmd) Iterator 

func (cmd *ScanCmd) Iterator() *ScanIterator

Iterator creates a new ScanIterator.

Example 
package main

import (
	"fmt"

	"github.com/go-redis/redis"
)

var client *redis.Client

func main() {
	iter := client.Scan(0, "", 0).Iterator()
	for iter.Next() {
		fmt.Println(iter.Val())
	}
	if err := iter.Err(); err != nil {
		panic(err)
	}
}

Output:

func (*ScanCmd) Name 

func (cmd *ScanCmd) Name() string

func (*ScanCmd) Result 

func (cmd *ScanCmd) Result() (keys []string, cursor uint64, err error)

func (*ScanCmd) String 

func (cmd *ScanCmd) String() string

func (*ScanCmd) Val 

func (cmd *ScanCmd) Val() (keys []string, cursor uint64)

type ScanIterator 

type ScanIterator struct {
	// contains filtered or unexported fields
}

ScanIterator is used to incrementally iterate over a collection of elements. It's safe for concurrent use by multiple goroutines.

Example 
package main

import (
	"fmt"

	"github.com/go-redis/redis"
)

var client *redis.Client

func main() {
	iter := client.Scan(0, "", 0).Iterator()
	for iter.Next() {
		fmt.Println(iter.Val())
	}
	if err := iter.Err(); err != nil {
		panic(err)
	}
}

Output:

func (*ScanIterator) Err 

func (it *ScanIterator) Err() error

Err returns the last iterator error, if any.

func (*ScanIterator) Next 

func (it *ScanIterator) Next() bool

Next advances the cursor and returns true if more values can be read.

func (*ScanIterator) Val 

func (it *ScanIterator) Val() string

Val returns the key/field at the current cursor position.

type Script 

type Script struct {
	// contains filtered or unexported fields
}
Example 
package main

import (
	"fmt"

	"github.com/go-redis/redis"
)

var client *redis.Client

func main() {
	IncrByXX := redis.NewScript(`
		if redis.call("GET", KEYS[1]) ~= false then
			return redis.call("INCRBY", KEYS[1], ARGV[1])
		end
		return false
	`)

	n, err := IncrByXX.Run(client, []string{"xx_counter"}, 2).Result()
	fmt.Println(n, err)

	err = client.Set("xx_counter", "40", 0).Err()
	if err != nil {
		panic(err)
	}

	n, err = IncrByXX.Run(client, []string{"xx_counter"}, 2).Result()
	fmt.Println(n, err)

}

Output:

<nil> redis: nil
42 <nil>

func NewScript 

func NewScript(src string) *Script

func (*Script) Eval 

func (s *Script) Eval(c scripter, keys []string, args ...interface{}) *Cmd

func (*Script) EvalSha 

func (s *Script) EvalSha(c scripter, keys []string, args ...interface{}) *Cmd

func (*Script) Exists 

func (s *Script) Exists(c scripter) *BoolSliceCmd

func (*Script) Hash 

func (s *Script) Hash() string

func (*Script) Load 

func (s *Script) Load(c scripter) *StringCmd

func (*Script) Run 

func (s *Script) Run(c scripter, keys []string, args ...interface{}) *Cmd

Run optimistically uses EVALSHA to run the script. If script does not exist it is retried using EVAL.

type SliceCmd 

type SliceCmd struct {
	// contains filtered or unexported fields
}

func NewSliceCmd 

func NewSliceCmd(args ...interface{}) *SliceCmd

func NewSliceResult 

func NewSliceResult(val []interface{}, err error) *SliceCmd

NewSliceResult returns a SliceCmd initalised with val and err for testing

func (*SliceCmd) Args 

func (cmd *SliceCmd) Args() []interface{}

func (*SliceCmd) Err 

func (cmd *SliceCmd) Err() error

func (*SliceCmd) Name 

func (cmd *SliceCmd) Name() string

func (*SliceCmd) Result 

func (cmd *SliceCmd) Result() ([]interface{}, error)

func (*SliceCmd) String 

func (cmd *SliceCmd) String() string

func (*SliceCmd) Val 

func (cmd *SliceCmd) Val() []interface{}

type Sort 

type Sort struct {
	By            string
	Offset, Count int64
	Get           []string
	Order         string
	Alpha         bool
}

type StatefulCmdable 

type StatefulCmdable interface {
	Cmdable
	Auth(password string) *StatusCmd
	Select(index int) *StatusCmd
	SwapDB(index1, index2 int) *StatusCmd
	ClientSetName(name string) *BoolCmd
	ReadOnly() *StatusCmd
	ReadWrite() *StatusCmd
}

type StatusCmd 

type StatusCmd struct {
	// contains filtered or unexported fields
}

func NewStatusCmd 

func NewStatusCmd(args ...interface{}) *StatusCmd

func NewStatusResult 

func NewStatusResult(val string, err error) *StatusCmd

NewStatusResult returns a StatusCmd initalised with val and err for testing

func (*StatusCmd) Args 

func (cmd *StatusCmd) Args() []interface{}

func (*StatusCmd) Err 

func (cmd *StatusCmd) Err() error

func (*StatusCmd) Name 

func (cmd *StatusCmd) Name() string

func (*StatusCmd) Result 

func (cmd *StatusCmd) Result() (string, error)

func (*StatusCmd) String 

func (cmd *StatusCmd) String() string

func (*StatusCmd) Val 

func (cmd *StatusCmd) Val() string

type StringCmd 

type StringCmd struct {
	// contains filtered or unexported fields
}

func NewStringCmd 

func NewStringCmd(args ...interface{}) *StringCmd

func NewStringResult 

func NewStringResult(val string, err error) *StringCmd

NewStringResult returns a StringCmd initalised with val and err for testing

func (*StringCmd) Args 

func (cmd *StringCmd) Args() []interface{}

func (*StringCmd) Bytes 

func (cmd *StringCmd) Bytes() ([]byte, error)

func (*StringCmd) Err 

func (cmd *StringCmd) Err() error

func (*StringCmd) Float64 

func (cmd *StringCmd) Float64() (float64, error)

func (*StringCmd) Int64 

func (cmd *StringCmd) Int64() (int64, error)

func (*StringCmd) Name 

func (cmd *StringCmd) Name() string

func (*StringCmd) Result 

func (cmd *StringCmd) Result() (string, error)

func (*StringCmd) Scan 

func (cmd *StringCmd) Scan(val interface{}) error

func (*StringCmd) String 

func (cmd *StringCmd) String() string

func (*StringCmd) Uint64 

func (cmd *StringCmd) Uint64() (uint64, error)

func (*StringCmd) Val 

func (cmd *StringCmd) Val() string

type StringIntMapCmd 

type StringIntMapCmd struct {
	// contains filtered or unexported fields
}

func NewStringIntMapCmd 

func NewStringIntMapCmd(args ...interface{}) *StringIntMapCmd

func NewStringIntMapCmdResult 

func NewStringIntMapCmdResult(val map[string]int64, err error) *StringIntMapCmd

NewStringIntMapCmdResult returns a StringIntMapCmd initalised with val and err for testing

func (*StringIntMapCmd) Args 

func (cmd *StringIntMapCmd) Args() []interface{}

func (*StringIntMapCmd) Err 

func (cmd *StringIntMapCmd) Err() error

func (*StringIntMapCmd) Name 

func (cmd *StringIntMapCmd) Name() string

func (*StringIntMapCmd) Result 

func (cmd *StringIntMapCmd) Result() (map[string]int64, error)

func (*StringIntMapCmd) String 

func (cmd *StringIntMapCmd) String() string

func (*StringIntMapCmd) Val 

func (cmd *StringIntMapCmd) Val() map[string]int64

type StringSliceCmd 

type StringSliceCmd struct {
	// contains filtered or unexported fields
}

func NewStringSliceCmd 

func NewStringSliceCmd(args ...interface{}) *StringSliceCmd

func NewStringSliceResult 

func NewStringSliceResult(val []string, err error) *StringSliceCmd

NewStringSliceResult returns a StringSliceCmd initalised with val and err for testing

func (*StringSliceCmd) Args 

func (cmd *StringSliceCmd) Args() []interface{}

func (*StringSliceCmd) Err 

func (cmd *StringSliceCmd) Err() error

func (*StringSliceCmd) Name 

func (cmd *StringSliceCmd) Name() string

func (*StringSliceCmd) Result 

func (cmd *StringSliceCmd) Result() ([]string, error)

func (*StringSliceCmd) ScanSlice 

func (cmd *StringSliceCmd) ScanSlice(container interface{}) error

func (*StringSliceCmd) String 

func (cmd *StringSliceCmd) String() string

func (*StringSliceCmd) Val 

func (cmd *StringSliceCmd) Val() []string

type StringStringMapCmd 

type StringStringMapCmd struct {
	// contains filtered or unexported fields
}

func NewStringStringMapCmd 

func NewStringStringMapCmd(args ...interface{}) *StringStringMapCmd

func NewStringStringMapResult 

func NewStringStringMapResult(val map[string]string, err error) *StringStringMapCmd

NewStringStringMapResult returns a StringStringMapCmd initalised with val and err for testing

func (*StringStringMapCmd) Args 

func (cmd *StringStringMapCmd) Args() []interface{}

func (*StringStringMapCmd) Err 

func (cmd *StringStringMapCmd) Err() error

func (*StringStringMapCmd) Name 

func (cmd *StringStringMapCmd) Name() string

func (*StringStringMapCmd) Result 

func (cmd *StringStringMapCmd) Result() (map[string]string, error)

func (*StringStringMapCmd) String 

func (cmd *StringStringMapCmd) String() string

func (*StringStringMapCmd) Val 

func (cmd *StringStringMapCmd) Val() map[string]string

type StringStructMapCmd 

type StringStructMapCmd struct {
	// contains filtered or unexported fields
}

func NewStringStructMapCmd 

func NewStringStructMapCmd(args ...interface{}) *StringStructMapCmd

func (*StringStructMapCmd) Args 

func (cmd *StringStructMapCmd) Args() []interface{}

func (*StringStructMapCmd) Err 

func (cmd *StringStructMapCmd) Err() error

func (*StringStructMapCmd) Name 

func (cmd *StringStructMapCmd) Name() string

func (*StringStructMapCmd) Result 

func (cmd *StringStructMapCmd) Result() (map[string]struct{}, error)

func (*StringStructMapCmd) String 

func (cmd *StringStructMapCmd) String() string

func (*StringStructMapCmd) Val 

func (cmd *StringStructMapCmd) Val() map[string]struct{}

type Subscription 

type Subscription struct {
	// Can be "subscribe", "unsubscribe", "psubscribe" or "punsubscribe".
	Kind string
	// Channel name we have subscribed to.
	Channel string
	// Number of channels we are currently subscribed to.
	Count int
}

Subscription received after a successful subscription to channel.

func (*Subscription) String 

func (m *Subscription) String() string

type TimeCmd 

type TimeCmd struct {
	// contains filtered or unexported fields
}

func NewTimeCmd 

func NewTimeCmd(args ...interface{}) *TimeCmd

func (*TimeCmd) Args 

func (cmd *TimeCmd) Args() []interface{}

func (*TimeCmd) Err 

func (cmd *TimeCmd) Err() error

func (*TimeCmd) Name 

func (cmd *TimeCmd) Name() string

func (*TimeCmd) Result 

func (cmd *TimeCmd) Result() (time.Time, error)

func (*TimeCmd) String 

func (cmd *TimeCmd) String() string

func (*TimeCmd) Val 

func (cmd *TimeCmd) Val() time.Time

type Tx 

type Tx struct {
	// contains filtered or unexported fields
}

Tx implements Redis transactions as described in http://redis.io/topics/transactions. It's NOT safe for concurrent use by multiple goroutines, because Exec resets list of watched keys. If you don't need WATCH it is better to use Pipeline.

func (*Tx) Auth 

func (c *Tx) Auth(password string) *StatusCmd

func (*Tx) ClientSetName 

func (c *Tx) ClientSetName(name string) *BoolCmd

ClientSetName assigns a name to the connection.

func (*Tx) Close 

func (c *Tx) Close() error

Close closes the transaction, releasing any open resources.

func (*Tx) Pipeline 

func (c *Tx) Pipeline() Pipeliner

func (*Tx) Pipelined 

func (c *Tx) Pipelined(fn func(Pipeliner) error) ([]Cmder, error)

Pipelined executes commands queued in the fn in a transaction and restores the connection state to normal.

When using WATCH, EXEC will execute commands only if the watched keys were not modified, allowing for a check-and-set mechanism.

Exec always returns list of commands. If transaction fails TxFailedErr is returned. Otherwise Exec returns error of the first failed command or nil.

func (*Tx) Process 

func (c *Tx) Process(cmd Cmder) error

func (*Tx) ReadOnly 

func (c *Tx) ReadOnly() *StatusCmd

func (*Tx) ReadWrite 

func (c *Tx) ReadWrite() *StatusCmd

func (*Tx) Select 

func (c *Tx) Select(index int) *StatusCmd

func (*Tx) String 

func (c *Tx) String() string

func (*Tx) SwapDB 

func (c *Tx) SwapDB(index1, index2 int) *StatusCmd

func (*Tx) TxPipeline 

func (c *Tx) TxPipeline() Pipeliner

func (*Tx) TxPipelined 

func (c *Tx) TxPipelined(fn func(Pipeliner) error) ([]Cmder, error)

func (*Tx) Unwatch 

func (c *Tx) Unwatch(keys ...string) *StatusCmd

Unwatch flushes all the previously watched keys for a transaction.

func (*Tx) Watch 

func (c *Tx) Watch(keys ...string) *StatusCmd

Watch marks the keys to be watched for conditional execution of a transaction.

func (*Tx) WrapProcess 

func (c *Tx) WrapProcess(fn func(oldProcess func(cmd Cmder) error) func(cmd Cmder) error)

WrapProcess wraps function that processes Redis commands.

func (*Tx) WrapProcessPipeline 

func (c *Tx) WrapProcessPipeline(
	fn func(oldProcess func([]Cmder) error) func([]Cmder) error,
)

type UniversalClient 

type UniversalClient interface {
	Cmdable
	Process(cmd Cmder) error
	WrapProcess(fn func(oldProcess func(cmd Cmder) error) func(cmd Cmder) error)
	Subscribe(channels ...string) *PubSub
	PSubscribe(channels ...string) *PubSub
	Close() error
}

UniversalClient is an abstract client which - based on the provided options - can connect to either clusters, or sentinel-backed failover instances or simple single-instance servers. This can be useful for testing cluster-specific applications locally.

func NewUniversalClient 

func NewUniversalClient(opts *UniversalOptions) UniversalClient

NewUniversalClient returns a new multi client. The type of client returned depends on the following three conditions:

1. if a MasterName is passed a sentinel-backed FailoverClient will be returned 2. if the number of Addrs is two or more, a ClusterClient will be returned 3. otherwise, a single-node redis Client will be returned.

Example (Cluster) 
package main

import (
	"github.com/go-redis/redis"
)

func main() {
	client := redis.NewUniversalClient(&redis.UniversalOptions{
		Addrs: []string{":7000", ":7001", ":7002", ":7003", ":7004", ":7005"},
	})
	defer client.Close()

	client.Ping()
}

Output:
Example (Failover) 
package main

import (
	"github.com/go-redis/redis"
)

func main() {
	client := redis.NewUniversalClient(&redis.UniversalOptions{
		MasterName: "master",
		Addrs:      []string{":26379"},
	})
	defer client.Close()

	client.Ping()
}

Output:
Example (Simple) 
package main

import (
	"github.com/go-redis/redis"
)

func main() {
	client := redis.NewUniversalClient(&redis.UniversalOptions{
		Addrs: []string{":6379"},
	})
	defer client.Close()

	client.Ping()
}

Output:

type UniversalOptions 

type UniversalOptions struct {
	// Either a single address or a seed list of host:port addresses
	// of cluster/sentinel nodes.
	Addrs []string

	// The sentinel master name.
	// Only failover clients.
	MasterName string

	// Database to be selected after connecting to the server.
	// Only single-node and failover clients.
	DB int

	// Enables read only queries on slave nodes.
	ReadOnly bool

	MaxRedirects   int
	RouteByLatency bool

	MaxRetries         int
	Password           string
	DialTimeout        time.Duration
	ReadTimeout        time.Duration
	WriteTimeout       time.Duration
	PoolSize           int
	PoolTimeout        time.Duration
	IdleTimeout        time.Duration
	IdleCheckFrequency time.Duration
}

UniversalOptions information is required by UniversalClient to establish connections.

type Z 

type Z struct {
	Score  float64
	Member interface{}
}

Z represents sorted set member.

type ZRangeBy 

type ZRangeBy struct {
	Min, Max      string
	Offset, Count int64
}

type ZSliceCmd 

type ZSliceCmd struct {
	// contains filtered or unexported fields
}

func NewZSliceCmd 

func NewZSliceCmd(args ...interface{}) *ZSliceCmd

func NewZSliceCmdResult 

func NewZSliceCmdResult(val []Z, err error) *ZSliceCmd

NewZSliceCmdResult returns a ZSliceCmd initalised with val and err for testing

func (*ZSliceCmd) Args 

func (cmd *ZSliceCmd) Args() []interface{}

func (*ZSliceCmd) Err 

func (cmd *ZSliceCmd) Err() error

func (*ZSliceCmd) Name 

func (cmd *ZSliceCmd) Name() string

func (*ZSliceCmd) Result 

func (cmd *ZSliceCmd) Result() ([]Z, error)

func (*ZSliceCmd) String 

func (cmd *ZSliceCmd) String() string

func (*ZSliceCmd) Val 

func (cmd *ZSliceCmd) Val() []Z

type ZStore 

type ZStore struct {
	Weights []float64
	// Can be SUM, MIN or MAX.
	Aggregate string
}

ZStore is used as an arg to ZInterStore and ZUnionStore.

Source Files

View all Source files

Directories

Path Synopsis
consistenthash
Package consistenthash provides an implementation of a ring hash.
 Package consistenthash provides an implementation of a ring hash.
hashtag
pool
proto
singleflight
Package singleflight provides a duplicate function call suppression mechanism.
 Package singleflight provides a duplicate function call suppression mechanism.
util

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