redis

package
v1.0.0 Latest Latest
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 Go to latest Published: Jun 11, 2021 License: MIT Imports: 16 Imported by: 0

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Index

Constants

View Source 
const (
	// ClusterType means redis cluster.
	ClusterType = "cluster"
	// NodeType means redis node.
	NodeType = "node"
	// Nil is an alias of redis.Nil.
	Nil = red.Nil
)

Variables

View Source 
var (
	// ErrEmptyHost is an error that indicates no redis host is set.
	ErrEmptyHost = errors.New("empty redis host")
	// ErrEmptyType is an error that indicates no redis type is set.
	ErrEmptyType = errors.New("empty redis type")
	// ErrEmptyKey is an error that indicates no redis key is set.
	ErrEmptyKey = errors.New("empty redis key")
)
View Source 
var ErrNilNode = errors.New("nil redis node")

ErrNilNode is an error that indicates a nil redis node.

Functions

This section is empty.

Types

type ClosableNode 

type ClosableNode interface {
	RedisNode
	Close()
}

ClosableNode interface represents a closable redis node.

func CreateBlockingNode 

func CreateBlockingNode(r *Redis) (ClosableNode, error)

CreateBlockingNode returns a ClosableNode.

type FloatCmd 

type FloatCmd = red.FloatCmd

FloatCmd is an alias of redis.FloatCmd.

type GeoLocation 

type GeoLocation = red.GeoLocation

GeoLocation is used with GeoAdd to add geospatial location.

type GeoPos 

type GeoPos = red.GeoPos

GeoPos is used to represent a geo position.

type GeoRadiusQuery 

type GeoRadiusQuery = red.GeoRadiusQuery

GeoRadiusQuery is used with GeoRadius to query geospatial index.

type IntCmd 

type IntCmd = red.IntCmd

IntCmd is an alias of redis.IntCmd.

type Map 

type Map map[string]string

Map is an alias of map[string]string.

type Option 

type Option func(r *Redis)

Option defines the method to customize a Redis.

func Cluster 

func Cluster() Option

Cluster customizes the given Redis as a cluster.

func WithPass 

func WithPass(pass string) Option

WithPass customizes the given Redis with given password.

func WithTLS 

func WithTLS() Option

WithTLS customizes the given Redis with TLS enabled.

type Pair 

type Pair struct {
	Key   string
	Score int64
}

A Pair is a key/pair set used in redis zset.

type Pipeliner 

type Pipeliner = red.Pipeliner

Pipeliner is an alias of redis.Pipeliner.

type Redis 

type Redis struct {
	Addr string
	Type string
	Pass string
	// contains filtered or unexported fields
}

Redis defines a redis node/cluster. It is thread-safe.

func New 

func New(addr string, opts ...Option) *Redis

New returns a Redis with given options.

func NewRedis 

func NewRedis(redisAddr, redisType string, redisPass ...string) *Redis

NewRedis returns a Redis.

func (*Redis) BitCount 

func (s *Redis) BitCount(key string, start, end int64) (val int64, err error)

BitCount is redis bitcount command implementation.

func (*Redis) BitOpAnd 

func (s *Redis) BitOpAnd(destKey string, keys ...string) (val int64, err error)

BitOpAnd is redis bit operation (and) command implementation.

func (*Redis) BitOpNot 

func (s *Redis) BitOpNot(destKey, key string) (val int64, err error)

BitOpNot is redis bit operation (not) command implementation.

func (*Redis) BitOpOr 

func (s *Redis) BitOpOr(destKey string, keys ...string) (val int64, err error)

BitOpOr is redis bit operation (or) command implementation.

func (*Redis) BitOpXor 

func (s *Redis) BitOpXor(destKey string, keys ...string) (val int64, err error)

BitOpXor is redis bit operation (xor) command implementation.

func (*Redis) BitPos 

func (s *Redis) BitPos(key string, bit, start, end int64) (val int64, err error)

BitPos is redis bitpos command implementation.

func (*Redis) Blpop 

func (s *Redis) Blpop(redisNode RedisNode, key string) (string, error)

Blpop uses passed in redis connection to execute blocking queries. Doesn't benefit from pooling redis connections of blocking queries

func (*Redis) BlpopEx 

func (s *Redis) BlpopEx(redisNode RedisNode, key string) (string, bool, error)

BlpopEx uses passed in redis connection to execute blpop command. The difference against Blpop is that this method returns a bool to indicate success.

func (*Redis) Del 

func (s *Redis) Del(keys ...string) (val int, err error)

Del deletes keys.

func (*Redis) Eval 

func (s *Redis) Eval(script string, keys []string, args ...interface{}) (val interface{}, err error)

Eval is the implementation of redis eval command.

func (*Redis) EvalSha 

func (s *Redis) EvalSha(sha string, keys []string, args ...interface{}) (val interface{}, err error)

EvalSha is the implementation of redis evalsha command.

func (*Redis) Exists 

func (s *Redis) Exists(key string) (val bool, err error)

Exists is the implementation of redis exists command.

func (*Redis) Expire 

func (s *Redis) Expire(key string, seconds int) error

Expire is the implementation of redis expire command.

func (*Redis) Expireat 

func (s *Redis) Expireat(key string, expireTime int64) error

Expireat is the implementation of redis expireat command.

func (*Redis) GeoAdd 

func (s *Redis) GeoAdd(key string, geoLocation ...*GeoLocation) (val int64, err error)

GeoAdd is the implementation of redis geoadd command.

func (*Redis) GeoDist 

func (s *Redis) GeoDist(key, member1, member2, unit string) (val float64, err error)

GeoDist is the implementation of redis geodist command.

func (*Redis) GeoHash 

func (s *Redis) GeoHash(key string, members ...string) (val []string, err error)

GeoHash is the implementation of redis geohash command.

func (*Redis) GeoPos 

func (s *Redis) GeoPos(key string, members ...string) (val []*GeoPos, err error)

GeoPos is the implementation of redis geopos command.

func (*Redis) GeoRadius 

func (s *Redis) GeoRadius(key string, longitude, latitude float64, query *GeoRadiusQuery) (val []GeoLocation, err error)

GeoRadius is the implementation of redis georadius command.

func (*Redis) GeoRadiusByMember 

func (s *Redis) GeoRadiusByMember(key, member string, query *GeoRadiusQuery) (val []GeoLocation, err error)

GeoRadiusByMember is the implementation of redis georadiusbymember command.

func (*Redis) Get 

func (s *Redis) Get(key string) (val string, err error)

Get is the implementation of redis get command.

func (*Redis) GetBit 

func (s *Redis) GetBit(key string, offset int64) (val int, err error)

GetBit is the implementation of redis getbit command.

func (*Redis) Hdel 

func (s *Redis) Hdel(key string, fields ...string) (val bool, err error)

Hdel is the implementation of redis hdel command.

func (*Redis) Hexists 

func (s *Redis) Hexists(key, field string) (val bool, err error)

Hexists is the implementation of redis hexists command.

func (*Redis) Hget 

func (s *Redis) Hget(key, field string) (val string, err error)

Hget is the implementation of redis hget command.

func (*Redis) Hgetall 

func (s *Redis) Hgetall(key string) (val map[string]string, err error)

Hgetall is the implementation of redis hgetall command.

func (*Redis) Hincrby 

func (s *Redis) Hincrby(key, field string, increment int) (val int, err error)

Hincrby is the implementation of redis hincrby command.

func (*Redis) Hkeys 

func (s *Redis) Hkeys(key string) (val []string, err error)

Hkeys is the implementation of redis hkeys command.

func (*Redis) Hlen 

func (s *Redis) Hlen(key string) (val int, err error)

Hlen is the implementation of redis hlen command.

func (*Redis) Hmget 

func (s *Redis) Hmget(key string, fields ...string) (val []string, err error)

Hmget is the implementation of redis hmget command.

func (*Redis) Hmset 

func (s *Redis) Hmset(key string, fieldsAndValues map[string]string) error

Hmset is the implementation of redis hmset command.

func (*Redis) Hscan 

func (s *Redis) Hscan(key string, cursor uint64, match string, count int64) (keys []string, cur uint64, err error)

Hscan is the implementation of redis hscan command.

func (*Redis) Hset 

func (s *Redis) Hset(key, field, value string) error

Hset is the implementation of redis hset command.

func (*Redis) Hsetnx 

func (s *Redis) Hsetnx(key, field, value string) (val bool, err error)

Hsetnx is the implementation of redis hsetnx command.

func (*Redis) Hvals 

func (s *Redis) Hvals(key string) (val []string, err error)

Hvals is the implementation of redis hvals command.

func (*Redis) Incr 

func (s *Redis) Incr(key string) (val int64, err error)

Incr is the implementation of redis incr command.

func (*Redis) Incrby 

func (s *Redis) Incrby(key string, increment int64) (val int64, err error)

Incrby is the implementation of redis incrby command.

func (*Redis) Keys 

func (s *Redis) Keys(pattern string) (val []string, err error)

Keys is the implementation of redis keys command.

func (*Redis) Llen 

func (s *Redis) Llen(key string) (val int, err error)

Llen is the implementation of redis llen command.

func (*Redis) Lpop 

func (s *Redis) Lpop(key string) (val string, err error)

Lpop is the implementation of redis lpop command.

func (*Redis) Lpush 

func (s *Redis) Lpush(key string, values ...interface{}) (val int, err error)

Lpush is the implementation of redis lpush command.

func (*Redis) Lrange 

func (s *Redis) Lrange(key string, start, stop int) (val []string, err error)

Lrange is the implementation of redis lrange command.

func (*Redis) Lrem 

func (s *Redis) Lrem(key string, count int, value string) (val int, err error)

Lrem is the implementation of redis lrem command.

func (*Redis) Mget 

func (s *Redis) Mget(keys ...string) (val []string, err error)

Mget is the implementation of redis mget command.

func (*Redis) Persist 

func (s *Redis) Persist(key string) (val bool, err error)

Persist is the implementation of redis persist command.

func (*Redis) Pfadd 

func (s *Redis) Pfadd(key string, values ...interface{}) (val bool, err error)

Pfadd is the implementation of redis pfadd command.

func (*Redis) Pfcount 

func (s *Redis) Pfcount(key string) (val int64, err error)

Pfcount is the implementation of redis pfcount command.

func (*Redis) Pfmerge 

func (s *Redis) Pfmerge(dest string, keys ...string) error

Pfmerge is the implementation of redis pfmerge command.

func (*Redis) Ping 

func (s *Redis) Ping() (val bool)

Ping is the implementation of redis ping command.

func (*Redis) Pipelined 

func (s *Redis) Pipelined(fn func(Pipeliner) error) (err error)

Pipelined lets fn to execute pipelined commands.

func (*Redis) Rpop 

func (s *Redis) Rpop(key string) (val string, err error)

Rpop is the implementation of redis rpop command.

func (*Redis) Rpush 

func (s *Redis) Rpush(key string, values ...interface{}) (val int, err error)

Rpush is the implementation of redis rpush command.

func (*Redis) Sadd 

func (s *Redis) Sadd(key string, values ...interface{}) (val int, err error)

Sadd is the implementation of redis sadd command.

func (*Redis) Scan 

func (s *Redis) Scan(cursor uint64, match string, count int64) (keys []string, cur uint64, err error)

Scan is the implementation of redis scan command.

func (*Redis) Scard 

func (s *Redis) Scard(key string) (val int64, err error)

Scard is the implementation of redis scard command.

func (*Redis) ScriptLoad 

func (s *Redis) ScriptLoad(script string) (string, error)

ScriptLoad is the implementation of redis script load command.

func (*Redis) Sdiff 

func (s *Redis) Sdiff(keys ...string) (val []string, err error)

Sdiff is the implementation of redis sdiff command.

func (*Redis) Sdiffstore 

func (s *Redis) Sdiffstore(destination string, keys ...string) (val int, err error)

Sdiffstore is the implementation of redis sdiffstore command.

func (*Redis) Set 

func (s *Redis) Set(key, value string) error

Set is the implementation of redis set command.

func (*Redis) SetBit 

func (s *Redis) SetBit(key string, offset int64, value int) error

SetBit is the implementation of redis setbit command.

func (*Redis) Setex 

func (s *Redis) Setex(key, value string, seconds int) error

Setex is the implementation of redis setex command.

func (*Redis) Setnx 

func (s *Redis) Setnx(key, value string) (val bool, err error)

Setnx is the implementation of redis setnx command.

func (*Redis) SetnxEx 

func (s *Redis) SetnxEx(key, value string, seconds int) (val bool, err error)

SetnxEx is the implementation of redis setnx command with expire.

func (*Redis) Sismember 

func (s *Redis) Sismember(key string, value interface{}) (val bool, err error)

Sismember is the implementation of redis sismember command.

func (*Redis) Smembers 

func (s *Redis) Smembers(key string) (val []string, err error)

Smembers is the implementation of redis smembers command.

func (*Redis) Spop 

func (s *Redis) Spop(key string) (val string, err error)

Spop is the implementation of redis spop command.

func (*Redis) Srandmember 

func (s *Redis) Srandmember(key string, count int) (val []string, err error)

Srandmember is the implementation of redis srandmember command.

func (*Redis) Srem 

func (s *Redis) Srem(key string, values ...interface{}) (val int, err error)

Srem is the implementation of redis srem command.

func (*Redis) Sscan 

func (s *Redis) Sscan(key string, cursor uint64, match string, count int64) (keys []string, cur uint64, err error)

Sscan is the implementation of redis sscan command.

func (*Redis) String 

func (s *Redis) String() string

String returns the string representation of s.

func (*Redis) Sunion 

func (s *Redis) Sunion(keys ...string) (val []string, err error)

Sunion is the implementation of redis sunion command.

func (*Redis) Sunionstore 

func (s *Redis) Sunionstore(destination string, keys ...string) (val int, err error)

Sunionstore is the implementation of redis sunionstore command.

func (*Redis) Ttl 

func (s *Redis) Ttl(key string) (val int, err error)

Ttl is the implementation of redis ttl command.

func (*Redis) ZRevRangeWithScores 

func (s *Redis) ZRevRangeWithScores(key string, start, stop int64) (val []Pair, err error)

ZRevRangeWithScores is the implementation of redis zrevrange command with scores.

func (*Redis) Zadd 

func (s *Redis) Zadd(key string, score int64, value string) (val bool, err error)

Zadd is the implementation of redis zadd command.

func (*Redis) Zadds 

func (s *Redis) Zadds(key string, ps ...Pair) (val int64, err error)

Zadds is the implementation of redis zadds command.

func (*Redis) Zcard 

func (s *Redis) Zcard(key string) (val int, err error)

Zcard is the implementation of redis zcard command.

func (*Redis) Zcount 

func (s *Redis) Zcount(key string, start, stop int64) (val int, err error)

Zcount is the implementation of redis zcount command.

func (*Redis) Zincrby 

func (s *Redis) Zincrby(key string, increment int64, field string) (val int64, err error)

Zincrby is the implementation of redis zincrby command.

func (*Redis) Zrange 

func (s *Redis) Zrange(key string, start, stop int64) (val []string, err error)

Zrange is the implementation of redis zrange command.

func (*Redis) ZrangeWithScores 

func (s *Redis) ZrangeWithScores(key string, start, stop int64) (val []Pair, err error)

ZrangeWithScores is the implementation of redis zrange command with scores.

func (*Redis) ZrangebyscoreWithScores 

func (s *Redis) ZrangebyscoreWithScores(key string, start, stop int64) (val []Pair, err error)

ZrangebyscoreWithScores is the implementation of redis zrangebyscore command with scores.

func (*Redis) ZrangebyscoreWithScoresAndLimit 

func (s *Redis) ZrangebyscoreWithScoresAndLimit(key string, start, stop int64, page, size int) (
	val []Pair, err error)

ZrangebyscoreWithScoresAndLimit is the implementation of redis zrangebyscore command with scores and limit.

func (*Redis) Zrank 

func (s *Redis) Zrank(key, field string) (val int64, err error)

Zrank is the implementation of redis zrank command.

func (*Redis) Zrem 

func (s *Redis) Zrem(key string, values ...interface{}) (val int, err error)

Zrem is the implementation of redis zrem command.

func (*Redis) Zremrangebyrank 

func (s *Redis) Zremrangebyrank(key string, start, stop int64) (val int, err error)

Zremrangebyrank is the implementation of redis zremrangebyrank command.

func (*Redis) Zremrangebyscore 

func (s *Redis) Zremrangebyscore(key string, start, stop int64) (val int, err error)

Zremrangebyscore is the implementation of redis zremrangebyscore command.

func (*Redis) Zrevrange 

func (s *Redis) Zrevrange(key string, start, stop int64) (val []string, err error)

Zrevrange is the implementation of redis zrevrange command.

func (*Redis) ZrevrangebyscoreWithScores 

func (s *Redis) ZrevrangebyscoreWithScores(key string, start, stop int64) (val []Pair, err error)

ZrevrangebyscoreWithScores is the implementation of redis zrevrangebyscore command with scores.

func (*Redis) ZrevrangebyscoreWithScoresAndLimit 

func (s *Redis) ZrevrangebyscoreWithScoresAndLimit(key string, start, stop int64, page, size int) (
	val []Pair, err error)

ZrevrangebyscoreWithScoresAndLimit is the implementation of redis zrevrangebyscore command with scores and limit.

func (*Redis) Zrevrank 

func (s *Redis) Zrevrank(key, field string) (val int64, err error)

Zrevrank is the implementation of redis zrevrank command.

func (*Redis) Zscore 

func (s *Redis) Zscore(key, value string) (val int64, err error)

Zscore is the implementation of redis zscore command.

func (*Redis) Zunionstore 

func (s *Redis) Zunionstore(dest string, store ZStore, keys ...string) (val int64, err error)

Zunionstore is the implementation of redis zunionstore command.

type RedisConf 

type RedisConf struct {
	Host string
	Type string `json:",default=node,options=node|cluster"`
	Pass string `json:",optional"`
	Tls  bool   `json:",default=false,options=true|false"`
}

A RedisConf is a redis config.

func (RedisConf) NewRedis 

func (rc RedisConf) NewRedis() *Redis

NewRedis returns a Redis.

func (RedisConf) Validate 

func (rc RedisConf) Validate() error

Validate validates the RedisConf.

type RedisKeyConf 

type RedisKeyConf struct {
	RedisConf
	Key string `json:",optional"`
}

A RedisKeyConf is a redis config with key.

func (RedisKeyConf) Validate 

func (rkc RedisKeyConf) Validate() error

Validate validates the RedisKeyConf.

type RedisLock 

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

A RedisLock is a redis lock.

func NewRedisLock 

func NewRedisLock(store *Redis, key string) *RedisLock

NewRedisLock returns a RedisLock.

func (*RedisLock) Acquire 

func (rl *RedisLock) Acquire() (bool, error)

Acquire acquires the lock.

func (*RedisLock) Release 

func (rl *RedisLock) Release() (bool, error)

Release releases the lock.

func (*RedisLock) SetExpire 

func (rl *RedisLock) SetExpire(seconds int)

SetExpire sets the expire.

type RedisNode 

type RedisNode interface {
	red.Cmdable
}

RedisNode interface represents a redis node.

type ScriptCache 

type ScriptCache struct {
	atomic.Value
}

A ScriptCache is a cache that stores a script with its sha key.

func GetScriptCache 

func GetScriptCache() *ScriptCache

GetScriptCache returns a ScriptCache.

func (*ScriptCache) GetSha 

func (sc *ScriptCache) GetSha(script string) (string, bool)

GetSha returns the sha string of given script.

func (*ScriptCache) SetSha 

func (sc *ScriptCache) SetSha(script, sha string)

SetSha sets script with sha into the ScriptCache.

type Z 

type Z = red.Z

Z represents sorted set member.

type ZStore 

type ZStore = red.ZStore

ZStore is an alias of redis.ZStore.

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