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* update github.com/blevesearch/bleve v2.0.2 -> v2.0.3 * github.com/denisenkom/go-mssqldb v0.9.0 -> v0.10.0 * github.com/editorconfig/editorconfig-core-go v2.4.1 -> v2.4.2 * github.com/go-chi/cors v1.1.1 -> v1.2.0 * github.com/go-git/go-billy v5.0.0 -> v5.1.0 * github.com/go-git/go-git v5.2.0 -> v5.3.0 * github.com/go-ldap/ldap v3.2.4 -> v3.3.0 * github.com/go-redis/redis v8.6.0 -> v8.8.2 * github.com/go-sql-driver/mysql v1.5.0 -> v1.6.0 * github.com/go-swagger/go-swagger v0.26.1 -> v0.27.0 * github.com/lib/pq v1.9.0 -> v1.10.1 * github.com/mattn/go-sqlite3 v1.14.6 -> v1.14.7 * github.com/go-testfixtures/testfixtures v3.5.0 -> v3.6.0 * github.com/issue9/identicon v1.0.1 -> v1.2.0 * github.com/klauspost/compress v1.11.8 -> v1.12.1 * github.com/mgechev/revive v1.0.3 -> v1.0.6 * github.com/microcosm-cc/bluemonday v1.0.7 -> v1.0.8 * github.com/niklasfasching/go-org v1.4.0 -> v1.5.0 * github.com/olivere/elastic v7.0.22 -> v7.0.24 * github.com/pelletier/go-toml v1.8.1 -> v1.9.0 * github.com/prometheus/client_golang v1.9.0 -> v1.10.0 * github.com/xanzy/go-gitlab v0.44.0 -> v0.48.0 * github.com/yuin/goldmark v1.3.3 -> v1.3.5 * github.com/6543/go-version v1.2.4 -> v1.3.1 * do github.com/lib/pq v1.10.0 -> v1.10.1 again ... |
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.. | ||
internal | ||
.gitignore | ||
.golangci.yml | ||
.prettierrc | ||
CHANGELOG.md | ||
cluster_commands.go | ||
cluster.go | ||
command.go | ||
commands.go | ||
doc.go | ||
error.go | ||
go.mod | ||
go.sum | ||
iterator.go | ||
LICENSE | ||
Makefile | ||
options.go | ||
pipeline.go | ||
pubsub.go | ||
README.md | ||
redis.go | ||
result.go | ||
ring.go | ||
script.go | ||
sentinel.go | ||
tx.go | ||
universal.go |
Redis client for Golang
- Join Discord to ask questions.
- Documentation
- Reference
- Examples
- RealWorld example app
Ecosystem
Features
- Redis 3 commands except QUIT, MONITOR, and SYNC.
- Automatic connection pooling with circuit breaker support.
- Pub/Sub.
- Transactions.
- Pipeline and TxPipeline.
- Scripting.
- Timeouts.
- Redis Sentinel.
- Redis Cluster.
- Cluster of Redis Servers without using cluster mode and Redis Sentinel.
- Ring.
- Instrumentation.
Installation
go-redis supports 2 last Go versions and requires a Go version with modules support. So make sure to initialize a Go module:
go mod init github.com/my/repo
And then install go-redis/v8 (note v8 in the import; omitting it is a popular mistake):
go get github.com/go-redis/redis/v8
Quickstart
import (
"context"
"github.com/go-redis/redis/v8"
)
var ctx = context.Background()
func ExampleClient() {
rdb := redis.NewClient(&redis.Options{
Addr: "localhost:6379",
Password: "", // no password set
DB: 0, // use default DB
})
err := rdb.Set(ctx, "key", "value", 0).Err()
if err != nil {
panic(err)
}
val, err := rdb.Get(ctx, "key").Result()
if err != nil {
panic(err)
}
fmt.Println("key", val)
val2, err := rdb.Get(ctx, "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
}
Look and feel
Some corner cases:
// SET key value EX 10 NX
set, err := rdb.SetNX(ctx, "key", "value", 10*time.Second).Result()
// SET key value keepttl NX
set, err := rdb.SetNX(ctx, "key", "value", redis.KeepTTL).Result()
// SORT list LIMIT 0 2 ASC
vals, err := rdb.Sort(ctx, "list", &redis.Sort{Offset: 0, Count: 2, Order: "ASC"}).Result()
// ZRANGEBYSCORE zset -inf +inf WITHSCORES LIMIT 0 2
vals, err := rdb.ZRangeByScoreWithScores(ctx, "zset", &redis.ZRangeBy{
Min: "-inf",
Max: "+inf",
Offset: 0,
Count: 2,
}).Result()
// ZINTERSTORE out 2 zset1 zset2 WEIGHTS 2 3 AGGREGATE SUM
vals, err := rdb.ZInterStore(ctx, "out", &redis.ZStore{
Keys: []string{"zset1", "zset2"},
Weights: []int64{2, 3}
}).Result()
// EVAL "return {KEYS[1],ARGV[1]}" 1 "key" "hello"
vals, err := rdb.Eval(ctx, "return {KEYS[1],ARGV[1]}", []string{"key"}, "hello").Result()
// custom command
res, err := rdb.Do(ctx, "set", "key", "value").Result()
Run the test
go-redis will start a redis-server and run the test cases.
The paths of redis-server bin file and redis config file are definded in main_test.go
:
var (
redisServerBin, _ = filepath.Abs(filepath.Join("testdata", "redis", "src", "redis-server"))
redisServerConf, _ = filepath.Abs(filepath.Join("testdata", "redis", "redis.conf"))
)
For local testing, you can change the variables to refer to your local files, or create a soft link
to the corresponding folder for redis-server and copy the config file to testdata/redis/
:
ln -s /usr/bin/redis-server ./go-redis/testdata/redis/src
cp ./go-redis/testdata/redis.conf ./go-redis/testdata/redis/
Lastly, run:
go test