package redis import ( "context" "errors" "io" "time" "github.com/go-redis/redis/v8/internal" ) // KeepTTL is an option for Set command to keep key's existing TTL. // For example: // // rdb.Set(ctx, key, value, redis.KeepTTL) const KeepTTL = -1 func usePrecise(dur time.Duration) bool { return dur < time.Second || dur%time.Second != 0 } func formatMs(ctx context.Context, dur time.Duration) int64 { if dur > 0 && dur < time.Millisecond { internal.Logger.Printf( ctx, "specified duration is %s, but minimal supported value is %s - truncating to 1ms", dur, time.Millisecond, ) return 1 } return int64(dur / time.Millisecond) } func formatSec(ctx context.Context, dur time.Duration) int64 { if dur > 0 && dur < time.Second { internal.Logger.Printf( ctx, "specified duration is %s, but minimal supported value is %s - truncating to 1s", dur, time.Second, ) return 1 } return int64(dur / time.Second) } func appendArgs(dst, src []interface{}) []interface{} { if len(src) == 1 { return appendArg(dst, src[0]) } dst = append(dst, src...) return dst } func appendArg(dst []interface{}, arg interface{}) []interface{} { switch arg := arg.(type) { case []string: for _, s := range arg { dst = append(dst, s) } return dst case []interface{}: dst = append(dst, arg...) return dst case map[string]interface{}: for k, v := range arg { dst = append(dst, k, v) } return dst default: return append(dst, arg) } } type Cmdable interface { Pipeline() Pipeliner Pipelined(ctx context.Context, fn func(Pipeliner) error) ([]Cmder, error) TxPipelined(ctx context.Context, fn func(Pipeliner) error) ([]Cmder, error) TxPipeline() Pipeliner Command(ctx context.Context) *CommandsInfoCmd ClientGetName(ctx context.Context) *StringCmd Echo(ctx context.Context, message interface{}) *StringCmd Ping(ctx context.Context) *StatusCmd Quit(ctx context.Context) *StatusCmd Del(ctx context.Context, keys ...string) *IntCmd Unlink(ctx context.Context, keys ...string) *IntCmd Dump(ctx context.Context, key string) *StringCmd Exists(ctx context.Context, keys ...string) *IntCmd Expire(ctx context.Context, key string, expiration time.Duration) *BoolCmd ExpireAt(ctx context.Context, key string, tm time.Time) *BoolCmd Keys(ctx context.Context, pattern string) *StringSliceCmd Migrate(ctx context.Context, host, port, key string, db int, timeout time.Duration) *StatusCmd Move(ctx context.Context, key string, db int) *BoolCmd ObjectRefCount(ctx context.Context, key string) *IntCmd ObjectEncoding(ctx context.Context, key string) *StringCmd ObjectIdleTime(ctx context.Context, key string) *DurationCmd Persist(ctx context.Context, key string) *BoolCmd PExpire(ctx context.Context, key string, expiration time.Duration) *BoolCmd PExpireAt(ctx context.Context, key string, tm time.Time) *BoolCmd PTTL(ctx context.Context, key string) *DurationCmd RandomKey(ctx context.Context) *StringCmd Rename(ctx context.Context, key, newkey string) *StatusCmd RenameNX(ctx context.Context, key, newkey string) *BoolCmd Restore(ctx context.Context, key string, ttl time.Duration, value string) *StatusCmd RestoreReplace(ctx context.Context, key string, ttl time.Duration, value string) *StatusCmd Sort(ctx context.Context, key string, sort *Sort) *StringSliceCmd SortStore(ctx context.Context, key, store string, sort *Sort) *IntCmd SortInterfaces(ctx context.Context, key string, sort *Sort) *SliceCmd Touch(ctx context.Context, keys ...string) *IntCmd TTL(ctx context.Context, key string) *DurationCmd Type(ctx context.Context, key string) *StatusCmd Append(ctx context.Context, key, value string) *IntCmd Decr(ctx context.Context, key string) *IntCmd DecrBy(ctx context.Context, key string, decrement int64) *IntCmd Get(ctx context.Context, key string) *StringCmd GetRange(ctx context.Context, key string, start, end int64) *StringCmd GetSet(ctx context.Context, key string, value interface{}) *StringCmd Incr(ctx context.Context, key string) *IntCmd IncrBy(ctx context.Context, key string, value int64) *IntCmd IncrByFloat(ctx context.Context, key string, value float64) *FloatCmd MGet(ctx context.Context, keys ...string) *SliceCmd MSet(ctx context.Context, values ...interface{}) *StatusCmd MSetNX(ctx context.Context, values ...interface{}) *BoolCmd Set(ctx context.Context, key string, value interface{}, expiration time.Duration) *StatusCmd SetEX(ctx context.Context, key string, value interface{}, expiration time.Duration) *StatusCmd SetNX(ctx context.Context, key string, value interface{}, expiration time.Duration) *BoolCmd SetXX(ctx context.Context, key string, value interface{}, expiration time.Duration) *BoolCmd SetRange(ctx context.Context, key string, offset int64, value string) *IntCmd StrLen(ctx context.Context, key string) *IntCmd GetBit(ctx context.Context, key string, offset int64) *IntCmd SetBit(ctx context.Context, key string, offset int64, value int) *IntCmd BitCount(ctx context.Context, key string, bitCount *BitCount) *IntCmd BitOpAnd(ctx context.Context, destKey string, keys ...string) *IntCmd BitOpOr(ctx context.Context, destKey string, keys ...string) *IntCmd BitOpXor(ctx context.Context, destKey string, keys ...string) *IntCmd BitOpNot(ctx context.Context, destKey string, key string) *IntCmd BitPos(ctx context.Context, key string, bit int64, pos ...int64) *IntCmd BitField(ctx context.Context, key string, args ...interface{}) *IntSliceCmd Scan(ctx context.Context, cursor uint64, match string, count int64) *ScanCmd ScanType(ctx context.Context, cursor uint64, match string, count int64, keyType string) *ScanCmd SScan(ctx context.Context, key string, cursor uint64, match string, count int64) *ScanCmd HScan(ctx context.Context, key string, cursor uint64, match string, count int64) *ScanCmd ZScan(ctx context.Context, key string, cursor uint64, match string, count int64) *ScanCmd HDel(ctx context.Context, key string, fields ...string) *IntCmd HExists(ctx context.Context, key, field string) *BoolCmd HGet(ctx context.Context, key, field string) *StringCmd HGetAll(ctx context.Context, key string) *StringStringMapCmd HIncrBy(ctx context.Context, key, field string, incr int64) *IntCmd HIncrByFloat(ctx context.Context, key, field string, incr float64) *FloatCmd HKeys(ctx context.Context, key string) *StringSliceCmd HLen(ctx context.Context, key string) *IntCmd HMGet(ctx context.Context, key string, fields ...string) *SliceCmd HSet(ctx context.Context, key string, values ...interface{}) *IntCmd HMSet(ctx context.Context, key string, values ...interface{}) *BoolCmd HSetNX(ctx context.Context, key, field string, value interface{}) *BoolCmd HVals(ctx context.Context, key string) *StringSliceCmd BLPop(ctx context.Context, timeout time.Duration, keys ...string) *StringSliceCmd BRPop(ctx context.Context, timeout time.Duration, keys ...string) *StringSliceCmd BRPopLPush(ctx context.Context, source, destination string, timeout time.Duration) *StringCmd LIndex(ctx context.Context, key string, index int64) *StringCmd LInsert(ctx context.Context, key, op string, pivot, value interface{}) *IntCmd LInsertBefore(ctx context.Context, key string, pivot, value interface{}) *IntCmd LInsertAfter(ctx context.Context, key string, pivot, value interface{}) *IntCmd LLen(ctx context.Context, key string) *IntCmd LPop(ctx context.Context, key string) *StringCmd LPos(ctx context.Context, key string, value string, args LPosArgs) *IntCmd LPosCount(ctx context.Context, key string, value string, count int64, args LPosArgs) *IntSliceCmd LPush(ctx context.Context, key string, values ...interface{}) *IntCmd LPushX(ctx context.Context, key string, values ...interface{}) *IntCmd LRange(ctx context.Context, key string, start, stop int64) *StringSliceCmd LRem(ctx context.Context, key string, count int64, value interface{}) *IntCmd LSet(ctx context.Context, key string, index int64, value interface{}) *StatusCmd LTrim(ctx context.Context, key string, start, stop int64) *StatusCmd RPop(ctx context.Context, key string) *StringCmd RPopLPush(ctx context.Context, source, destination string) *StringCmd RPush(ctx context.Context, key string, values ...interface{}) *IntCmd RPushX(ctx context.Context, key string, values ...interface{}) *IntCmd SAdd(ctx context.Context, key string, members ...interface{}) *IntCmd SCard(ctx context.Context, key string) *IntCmd SDiff(ctx context.Context, keys ...string) *StringSliceCmd SDiffStore(ctx context.Context, destination string, keys ...string) *IntCmd SInter(ctx context.Context, keys ...string) *StringSliceCmd SInterStore(ctx context.Context, destination string, keys ...string) *IntCmd SIsMember(ctx context.Context, key string, member interface{}) *BoolCmd SMembers(ctx context.Context, key string) *StringSliceCmd SMembersMap(ctx context.Context, key string) *StringStructMapCmd SMove(ctx context.Context, source, destination string, member interface{}) *BoolCmd SPop(ctx context.Context, key string) *StringCmd SPopN(ctx context.Context, key string, count int64) *StringSliceCmd SRandMember(ctx context.Context, key string) *StringCmd SRandMemberN(ctx context.Context, key string, count int64) *StringSliceCmd SRem(ctx context.Context, key string, members ...interface{}) *IntCmd SUnion(ctx context.Context, keys ...string) *StringSliceCmd SUnionStore(ctx context.Context, destination string, keys ...string) *IntCmd XAdd(ctx context.Context, a *XAddArgs) *StringCmd XDel(ctx context.Context, stream string, ids ...string) *IntCmd XLen(ctx context.Context, stream string) *IntCmd XRange(ctx context.Context, stream, start, stop string) *XMessageSliceCmd XRangeN(ctx context.Context, stream, start, stop string, count int64) *XMessageSliceCmd XRevRange(ctx context.Context, stream string, start, stop string) *XMessageSliceCmd XRevRangeN(ctx context.Context, stream string, start, stop string, count int64) *XMessageSliceCmd XRead(ctx context.Context, a *XReadArgs) *XStreamSliceCmd XReadStreams(ctx context.Context, streams ...string) *XStreamSliceCmd XGroupCreate(ctx context.Context, stream, group, start string) *StatusCmd XGroupCreateMkStream(ctx context.Context, stream, group, start string) *StatusCmd XGroupSetID(ctx context.Context, stream, group, start string) *StatusCmd XGroupDestroy(ctx context.Context, stream, group string) *IntCmd XGroupDelConsumer(ctx context.Context, stream, group, consumer string) *IntCmd XReadGroup(ctx context.Context, a *XReadGroupArgs) *XStreamSliceCmd XAck(ctx context.Context, stream, group string, ids ...string) *IntCmd XPending(ctx context.Context, stream, group string) *XPendingCmd XPendingExt(ctx context.Context, a *XPendingExtArgs) *XPendingExtCmd XClaim(ctx context.Context, a *XClaimArgs) *XMessageSliceCmd XClaimJustID(ctx context.Context, a *XClaimArgs) *StringSliceCmd XTrim(ctx context.Context, key string, maxLen int64) *IntCmd XTrimApprox(ctx context.Context, key string, maxLen int64) *IntCmd XInfoGroups(ctx context.Context, key string) *XInfoGroupsCmd XInfoStream(ctx context.Context, key string) *XInfoStreamCmd BZPopMax(ctx context.Context, timeout time.Duration, keys ...string) *ZWithKeyCmd BZPopMin(ctx context.Context, timeout time.Duration, keys ...string) *ZWithKeyCmd ZAdd(ctx context.Context, key string, members ...*Z) *IntCmd ZAddNX(ctx context.Context, key string, members ...*Z) *IntCmd ZAddXX(ctx context.Context, key string, members ...*Z) *IntCmd ZAddCh(ctx context.Context, key string, members ...*Z) *IntCmd ZAddNXCh(ctx context.Context, key string, members ...*Z) *IntCmd ZAddXXCh(ctx context.Context, key string, members ...*Z) *IntCmd ZIncr(ctx context.Context, key string, member *Z) *FloatCmd ZIncrNX(ctx context.Context, key string, member *Z) *FloatCmd ZIncrXX(ctx context.Context, key string, member *Z) *FloatCmd ZCard(ctx context.Context, key string) *IntCmd ZCount(ctx context.Context, key, min, max string) *IntCmd ZLexCount(ctx context.Context, key, min, max string) *IntCmd ZIncrBy(ctx context.Context, key string, increment float64, member string) *FloatCmd ZInterStore(ctx context.Context, destination string, store *ZStore) *IntCmd ZPopMax(ctx context.Context, key string, count ...int64) *ZSliceCmd ZPopMin(ctx context.Context, key string, count ...int64) *ZSliceCmd ZRange(ctx context.Context, key string, start, stop int64) *StringSliceCmd ZRangeWithScores(ctx context.Context, key string, start, stop int64) *ZSliceCmd ZRangeByScore(ctx context.Context, key string, opt *ZRangeBy) *StringSliceCmd ZRangeByLex(ctx context.Context, key string, opt *ZRangeBy) *StringSliceCmd ZRangeByScoreWithScores(ctx context.Context, key string, opt *ZRangeBy) *ZSliceCmd ZRank(ctx context.Context, key, member string) *IntCmd ZRem(ctx context.Context, key string, members ...interface{}) *IntCmd ZRemRangeByRank(ctx context.Context, key string, start, stop int64) *IntCmd ZRemRangeByScore(ctx context.Context, key, min, max string) *IntCmd ZRemRangeByLex(ctx context.Context, key, min, max string) *IntCmd ZRevRange(ctx context.Context, key string, start, stop int64) *StringSliceCmd ZRevRangeWithScores(ctx context.Context, key string, start, stop int64) *ZSliceCmd ZRevRangeByScore(ctx context.Context, key string, opt *ZRangeBy) *StringSliceCmd ZRevRangeByLex(ctx context.Context, key string, opt *ZRangeBy) *StringSliceCmd ZRevRangeByScoreWithScores(ctx context.Context, key string, opt *ZRangeBy) *ZSliceCmd ZRevRank(ctx context.Context, key, member string) *IntCmd ZScore(ctx context.Context, key, member string) *FloatCmd ZUnionStore(ctx context.Context, dest string, store *ZStore) *IntCmd PFAdd(ctx context.Context, key string, els ...interface{}) *IntCmd PFCount(ctx context.Context, keys ...string) *IntCmd PFMerge(ctx context.Context, dest string, keys ...string) *StatusCmd BgRewriteAOF(ctx context.Context) *StatusCmd BgSave(ctx context.Context) *StatusCmd ClientKill(ctx context.Context, ipPort string) *StatusCmd ClientKillByFilter(ctx context.Context, keys ...string) *IntCmd ClientList(ctx context.Context) *StringCmd ClientPause(ctx context.Context, dur time.Duration) *BoolCmd ClientID(ctx context.Context) *IntCmd ConfigGet(ctx context.Context, parameter string) *SliceCmd ConfigResetStat(ctx context.Context) *StatusCmd ConfigSet(ctx context.Context, parameter, value string) *StatusCmd ConfigRewrite(ctx context.Context) *StatusCmd DBSize(ctx context.Context) *IntCmd FlushAll(ctx context.Context) *StatusCmd FlushAllAsync(ctx context.Context) *StatusCmd FlushDB(ctx context.Context) *StatusCmd FlushDBAsync(ctx context.Context) *StatusCmd Info(ctx context.Context, section ...string) *StringCmd LastSave(ctx context.Context) *IntCmd Save(ctx context.Context) *StatusCmd Shutdown(ctx context.Context) *StatusCmd ShutdownSave(ctx context.Context) *StatusCmd ShutdownNoSave(ctx context.Context) *StatusCmd SlaveOf(ctx context.Context, host, port string) *StatusCmd Time(ctx context.Context) *TimeCmd DebugObject(ctx context.Context, key string) *StringCmd ReadOnly(ctx context.Context) *StatusCmd ReadWrite(ctx context.Context) *StatusCmd MemoryUsage(ctx context.Context, key string, samples ...int) *IntCmd Eval(ctx context.Context, script string, keys []string, args ...interface{}) *Cmd EvalSha(ctx context.Context, sha1 string, keys []string, args ...interface{}) *Cmd ScriptExists(ctx context.Context, hashes ...string) *BoolSliceCmd ScriptFlush(ctx context.Context) *StatusCmd ScriptKill(ctx context.Context) *StatusCmd ScriptLoad(ctx context.Context, script string) *StringCmd Publish(ctx context.Context, channel string, message interface{}) *IntCmd PubSubChannels(ctx context.Context, pattern string) *StringSliceCmd PubSubNumSub(ctx context.Context, channels ...string) *StringIntMapCmd PubSubNumPat(ctx context.Context) *IntCmd ClusterSlots(ctx context.Context) *ClusterSlotsCmd ClusterNodes(ctx context.Context) *StringCmd ClusterMeet(ctx context.Context, host, port string) *StatusCmd ClusterForget(ctx context.Context, nodeID string) *StatusCmd ClusterReplicate(ctx context.Context, nodeID string) *StatusCmd ClusterResetSoft(ctx context.Context) *StatusCmd ClusterResetHard(ctx context.Context) *StatusCmd ClusterInfo(ctx context.Context) *StringCmd ClusterKeySlot(ctx context.Context, key string) *IntCmd ClusterGetKeysInSlot(ctx context.Context, slot int, count int) *StringSliceCmd ClusterCountFailureReports(ctx context.Context, nodeID string) *IntCmd ClusterCountKeysInSlot(ctx context.Context, slot int) *IntCmd ClusterDelSlots(ctx context.Context, slots ...int) *StatusCmd ClusterDelSlotsRange(ctx context.Context, min, max int) *StatusCmd ClusterSaveConfig(ctx context.Context) *StatusCmd ClusterSlaves(ctx context.Context, nodeID string) *StringSliceCmd ClusterFailover(ctx context.Context) *StatusCmd ClusterAddSlots(ctx context.Context, slots ...int) *StatusCmd ClusterAddSlotsRange(ctx context.Context, min, max int) *StatusCmd GeoAdd(ctx context.Context, key string, geoLocation ...*GeoLocation) *IntCmd GeoPos(ctx context.Context, key string, members ...string) *GeoPosCmd GeoRadius(ctx context.Context, key string, longitude, latitude float64, query *GeoRadiusQuery) *GeoLocationCmd GeoRadiusStore(ctx context.Context, key string, longitude, latitude float64, query *GeoRadiusQuery) *IntCmd GeoRadiusByMember(ctx context.Context, key, member string, query *GeoRadiusQuery) *GeoLocationCmd GeoRadiusByMemberStore(ctx context.Context, key, member string, query *GeoRadiusQuery) *IntCmd GeoDist(ctx context.Context, key string, member1, member2, unit string) *FloatCmd GeoHash(ctx context.Context, key string, members ...string) *StringSliceCmd } type StatefulCmdable interface { Cmdable Auth(ctx context.Context, password string) *StatusCmd AuthACL(ctx context.Context, username, password string) *StatusCmd Select(ctx context.Context, index int) *StatusCmd SwapDB(ctx context.Context, index1, index2 int) *StatusCmd ClientSetName(ctx context.Context, name string) *BoolCmd } var ( _ Cmdable = (*Client)(nil) _ Cmdable = (*Tx)(nil) _ Cmdable = (*Ring)(nil) _ Cmdable = (*ClusterClient)(nil) ) type cmdable func(ctx context.Context, cmd Cmder) error type statefulCmdable func(ctx context.Context, cmd Cmder) error //------------------------------------------------------------------------------ func (c statefulCmdable) Auth(ctx context.Context, password string) *StatusCmd { cmd := NewStatusCmd(ctx, "auth", password) _ = c(ctx, cmd) return cmd } // Perform an AUTH command, using the given user and pass. // Should be used to authenticate the current connection with one of the connections defined in the ACL list // when connecting to a Redis 6.0 instance, or greater, that is using the Redis ACL system. func (c statefulCmdable) AuthACL(ctx context.Context, username, password string) *StatusCmd { cmd := NewStatusCmd(ctx, "auth", username, password) _ = c(ctx, cmd) return cmd } func (c cmdable) Wait(ctx context.Context, numSlaves int, timeout time.Duration) *IntCmd { cmd := NewIntCmd(ctx, "wait", numSlaves, int(timeout/time.Millisecond)) _ = c(ctx, cmd) return cmd } func (c statefulCmdable) Select(ctx context.Context, index int) *StatusCmd { cmd := NewStatusCmd(ctx, "select", index) _ = c(ctx, cmd) return cmd } func (c statefulCmdable) SwapDB(ctx context.Context, index1, index2 int) *StatusCmd { cmd := NewStatusCmd(ctx, "swapdb", index1, index2) _ = c(ctx, cmd) return cmd } // ClientSetName assigns a name to the connection. func (c statefulCmdable) ClientSetName(ctx context.Context, name string) *BoolCmd { cmd := NewBoolCmd(ctx, "client", "setname", name) _ = c(ctx, cmd) return cmd } //------------------------------------------------------------------------------ func (c cmdable) Command(ctx context.Context) *CommandsInfoCmd { cmd := NewCommandsInfoCmd(ctx, "command") _ = c(ctx, cmd) return cmd } // ClientGetName returns the name of the connection. func (c cmdable) ClientGetName(ctx context.Context) *StringCmd { cmd := NewStringCmd(ctx, "client", "getname") _ = c(ctx, cmd) return cmd } func (c cmdable) Echo(ctx context.Context, message interface{}) *StringCmd { cmd := NewStringCmd(ctx, "echo", message) _ = c(ctx, cmd) return cmd } func (c cmdable) Ping(ctx context.Context) *StatusCmd { cmd := NewStatusCmd(ctx, "ping") _ = c(ctx, cmd) return cmd } func (c cmdable) Quit(ctx context.Context) *StatusCmd { panic("not implemented") } func (c cmdable) Del(ctx context.Context, keys ...string) *IntCmd { args := make([]interface{}, 1+len(keys)) args[0] = "del" for i, key := range keys { args[1+i] = key } cmd := NewIntCmd(ctx, args...) _ = c(ctx, cmd) return cmd } func (c cmdable) Unlink(ctx context.Context, keys ...string) *IntCmd { args := make([]interface{}, 1+len(keys)) args[0] = "unlink" for i, key := range keys { args[1+i] = key } cmd := NewIntCmd(ctx, args...) _ = c(ctx, cmd) return cmd } func (c cmdable) Dump(ctx context.Context, key string) *StringCmd { cmd := NewStringCmd(ctx, "dump", key) _ = c(ctx, cmd) return cmd } func (c cmdable) Exists(ctx context.Context, keys ...string) *IntCmd { args := make([]interface{}, 1+len(keys)) args[0] = "exists" for i, key := range keys { args[1+i] = key } cmd := NewIntCmd(ctx, args...) _ = c(ctx, cmd) return cmd } func (c cmdable) Expire(ctx context.Context, key string, expiration time.Duration) *BoolCmd { cmd := NewBoolCmd(ctx, "expire", key, formatSec(ctx, expiration)) _ = c(ctx, cmd) return cmd } func (c cmdable) ExpireAt(ctx context.Context, key string, tm time.Time) *BoolCmd { cmd := NewBoolCmd(ctx, "expireat", key, tm.Unix()) _ = c(ctx, cmd) return cmd } func (c cmdable) Keys(ctx context.Context, pattern string) *StringSliceCmd { cmd := NewStringSliceCmd(ctx, "keys", pattern) _ = c(ctx, cmd) return cmd } func (c cmdable) Migrate(ctx context.Context, host, port, key string, db int, timeout time.Duration) *StatusCmd { cmd := NewStatusCmd( ctx, "migrate", host, port, key, db, formatMs(ctx, timeout), ) cmd.setReadTimeout(timeout) _ = c(ctx, cmd) return cmd } func (c cmdable) Move(ctx context.Context, key string, db int) *BoolCmd { cmd := NewBoolCmd(ctx, "move", key, db) _ = c(ctx, cmd) return cmd } func (c cmdable) ObjectRefCount(ctx context.Context, key string) *IntCmd { cmd := NewIntCmd(ctx, "object", "refcount", key) _ = c(ctx, cmd) return cmd } func (c cmdable) ObjectEncoding(ctx context.Context, key string) *StringCmd { cmd := NewStringCmd(ctx, "object", "encoding", key) _ = c(ctx, cmd) return cmd } func (c cmdable) ObjectIdleTime(ctx context.Context, key string) *DurationCmd { cmd := NewDurationCmd(ctx, time.Second, "object", "idletime", key) _ = c(ctx, cmd) return cmd } func (c cmdable) Persist(ctx context.Context, key string) *BoolCmd { cmd := NewBoolCmd(ctx, "persist", key) _ = c(ctx, cmd) return cmd } func (c cmdable) PExpire(ctx context.Context, key string, expiration time.Duration) *BoolCmd { cmd := NewBoolCmd(ctx, "pexpire", key, formatMs(ctx, expiration)) _ = c(ctx, cmd) return cmd } func (c cmdable) PExpireAt(ctx context.Context, key string, tm time.Time) *BoolCmd { cmd := NewBoolCmd( ctx, "pexpireat", key, tm.UnixNano()/int64(time.Millisecond), ) _ = c(ctx, cmd) return cmd } func (c cmdable) PTTL(ctx context.Context, key string) *DurationCmd { cmd := NewDurationCmd(ctx, time.Millisecond, "pttl", key) _ = c(ctx, cmd) return cmd } func (c cmdable) RandomKey(ctx context.Context) *StringCmd { cmd := NewStringCmd(ctx, "randomkey") _ = c(ctx, cmd) return cmd } func (c cmdable) Rename(ctx context.Context, key, newkey string) *StatusCmd { cmd := NewStatusCmd(ctx, "rename", key, newkey) _ = c(ctx, cmd) return cmd } func (c cmdable) RenameNX(ctx context.Context, key, newkey string) *BoolCmd { cmd := NewBoolCmd(ctx, "renamenx", key, newkey) _ = c(ctx, cmd) return cmd } func (c cmdable) Restore(ctx context.Context, key string, ttl time.Duration, value string) *StatusCmd { cmd := NewStatusCmd( ctx, "restore", key, formatMs(ctx, ttl), value, ) _ = c(ctx, cmd) return cmd } func (c cmdable) RestoreReplace(ctx context.Context, key string, ttl time.Duration, value string) *StatusCmd { cmd := NewStatusCmd( ctx, "restore", key, formatMs(ctx, ttl), value, "replace", ) _ = c(ctx, cmd) return cmd } type Sort struct { By string Offset, Count int64 Get []string Order string Alpha bool } func (sort *Sort) args(key string) []interface{} { args := []interface{}{"sort", key} if sort.By != "" { args = append(args, "by", sort.By) } if sort.Offset != 0 || sort.Count != 0 { args = append(args, "limit", sort.Offset, sort.Count) } for _, get := range sort.Get { args = append(args, "get", get) } if sort.Order != "" { args = append(args, sort.Order) } if sort.Alpha { args = append(args, "alpha") } return args } func (c cmdable) Sort(ctx context.Context, key string, sort *Sort) *StringSliceCmd { cmd := NewStringSliceCmd(ctx, sort.args(key)...) _ = c(ctx, cmd) return cmd } func (c cmdable) SortStore(ctx context.Context, key, store string, sort *Sort) *IntCmd { args := sort.args(key) if store != "" { args = append(args, "store", store) } cmd := NewIntCmd(ctx, args...) _ = c(ctx, cmd) return cmd } func (c cmdable) SortInterfaces(ctx context.Context, key string, sort *Sort) *SliceCmd { cmd := NewSliceCmd(ctx, sort.args(key)...) _ = c(ctx, cmd) return cmd } func (c cmdable) Touch(ctx context.Context, keys ...string) *IntCmd { args := make([]interface{}, len(keys)+1) args[0] = "touch" for i, key := range keys { args[i+1] = key } cmd := NewIntCmd(ctx, args...) _ = c(ctx, cmd) return cmd } func (c cmdable) TTL(ctx context.Context, key string) *DurationCmd { cmd := NewDurationCmd(ctx, time.Second, "ttl", key) _ = c(ctx, cmd) return cmd } func (c cmdable) Type(ctx context.Context, key string) *StatusCmd { cmd := NewStatusCmd(ctx, "type", key) _ = c(ctx, cmd) return cmd } func (c cmdable) Append(ctx context.Context, key, value string) *IntCmd { cmd := NewIntCmd(ctx, "append", key, value) _ = c(ctx, cmd) return cmd } func (c cmdable) Decr(ctx context.Context, key string) *IntCmd { cmd := NewIntCmd(ctx, "decr", key) _ = c(ctx, cmd) return cmd } func (c cmdable) DecrBy(ctx context.Context, key string, decrement int64) *IntCmd { cmd := NewIntCmd(ctx, "decrby", key, decrement) _ = c(ctx, cmd) return cmd } // Redis `GET key` command. It returns redis.Nil error when key does not exist. func (c cmdable) Get(ctx context.Context, key string) *StringCmd { cmd := NewStringCmd(ctx, "get", key) _ = c(ctx, cmd) return cmd } func (c cmdable) GetRange(ctx context.Context, key string, start, end int64) *StringCmd { cmd := NewStringCmd(ctx, "getrange", key, start, end) _ = c(ctx, cmd) return cmd } func (c cmdable) GetSet(ctx context.Context, key string, value interface{}) *StringCmd { cmd := NewStringCmd(ctx, "getset", key, value) _ = c(ctx, cmd) return cmd } func (c cmdable) Incr(ctx context.Context, key string) *IntCmd { cmd := NewIntCmd(ctx, "incr", key) _ = c(ctx, cmd) return cmd } func (c cmdable) IncrBy(ctx context.Context, key string, value int64) *IntCmd { cmd := NewIntCmd(ctx, "incrby", key, value) _ = c(ctx, cmd) return cmd } func (c cmdable) IncrByFloat(ctx context.Context, key string, value float64) *FloatCmd { cmd := NewFloatCmd(ctx, "incrbyfloat", key, value) _ = c(ctx, cmd) return cmd } func (c cmdable) MGet(ctx context.Context, keys ...string) *SliceCmd { args := make([]interface{}, 1+len(keys)) args[0] = "mget" for i, key := range keys { args[1+i] = key } cmd := NewSliceCmd(ctx, args...) _ = c(ctx, cmd) return cmd } // MSet is like Set but accepts multiple values: // - MSet("key1", "value1", "key2", "value2") // - MSet([]string{"key1", "value1", "key2", "value2"}) // - MSet(map[string]interface{}{"key1": "value1", "key2": "value2"}) func (c cmdable) MSet(ctx context.Context, values ...interface{}) *StatusCmd { args := make([]interface{}, 1, 1+len(values)) args[0] = "mset" args = appendArgs(args, values) cmd := NewStatusCmd(ctx, args...) _ = c(ctx, cmd) return cmd } // MSetNX is like SetNX but accepts multiple values: // - MSetNX("key1", "value1", "key2", "value2") // - MSetNX([]string{"key1", "value1", "key2", "value2"}) // - MSetNX(map[string]interface{}{"key1": "value1", "key2": "value2"}) func (c cmdable) MSetNX(ctx context.Context, values ...interface{}) *BoolCmd { args := make([]interface{}, 1, 1+len(values)) args[0] = "msetnx" args = appendArgs(args, values) cmd := NewBoolCmd(ctx, args...) _ = c(ctx, cmd) return cmd } // Redis `SET key value [expiration]` command. // Use expiration for `SETEX`-like behavior. // // Zero expiration means the key has no expiration time. // KeepTTL(-1) expiration is a Redis KEEPTTL option to keep existing TTL. func (c cmdable) Set(ctx context.Context, key string, value interface{}, expiration time.Duration) *StatusCmd { args := make([]interface{}, 3, 5) args[0] = "set" args[1] = key args[2] = value if expiration > 0 { if usePrecise(expiration) { args = append(args, "px", formatMs(ctx, expiration)) } else { args = append(args, "ex", formatSec(ctx, expiration)) } } else if expiration == KeepTTL { args = append(args, "keepttl") } cmd := NewStatusCmd(ctx, args...) _ = c(ctx, cmd) return cmd } // SetArgs provides arguments for the SetArgs function. type SetArgs struct { // Mode can be `NX` or `XX` or empty. Mode string // Zero `TTL` or `Expiration` means that the key has no expiration time. TTL time.Duration ExpireAt time.Time // When Get is true, the command returns the old value stored at key, or nil when key did not exist. Get bool // KeepTTL is a Redis KEEPTTL option to keep existing TTL. KeepTTL bool } // SetArgs supports all the options that the SET command supports. // It is the alternative to the Set function when you want // to have more control over the options. func (c cmdable) SetArgs(ctx context.Context, key string, value interface{}, a *SetArgs) *StatusCmd { args := []interface{}{"set", key, value} if a.KeepTTL { args = append(args, "keepttl") } if !a.ExpireAt.IsZero() && !a.KeepTTL { args = append(args, "exat", a.ExpireAt.Unix()) } else if a.TTL > 0 && !a.KeepTTL { if usePrecise(a.TTL) { args = append(args, "px", formatMs(ctx, a.TTL)) } else { args = append(args, "ex", formatSec(ctx, a.TTL)) } } if a.Mode != "" { args = append(args, a.Mode) } if a.Get { args = append(args, "get") } cmd := NewStatusCmd(ctx, args...) _ = c(ctx, cmd) return cmd } // Redis `SETEX key expiration value` command. func (c cmdable) SetEX(ctx context.Context, key string, value interface{}, expiration time.Duration) *StatusCmd { cmd := NewStatusCmd(ctx, "setex", key, formatSec(ctx, expiration), value) _ = c(ctx, cmd) return cmd } // Redis `SET key value [expiration] NX` command. // // Zero expiration means the key has no expiration time. // KeepTTL(-1) expiration is a Redis KEEPTTL option to keep existing TTL. func (c cmdable) SetNX(ctx context.Context, key string, value interface{}, expiration time.Duration) *BoolCmd { var cmd *BoolCmd switch expiration { case 0: // Use old `SETNX` to support old Redis versions. cmd = NewBoolCmd(ctx, "setnx", key, value) case KeepTTL: cmd = NewBoolCmd(ctx, "set", key, value, "keepttl", "nx") default: if usePrecise(expiration) { cmd = NewBoolCmd(ctx, "set", key, value, "px", formatMs(ctx, expiration), "nx") } else { cmd = NewBoolCmd(ctx, "set", key, value, "ex", formatSec(ctx, expiration), "nx") } } _ = c(ctx, cmd) return cmd } // Redis `SET key value [expiration] XX` command. // // Zero expiration means the key has no expiration time. // KeepTTL(-1) expiration is a Redis KEEPTTL option to keep existing TTL. func (c cmdable) SetXX(ctx context.Context, key string, value interface{}, expiration time.Duration) *BoolCmd { var cmd *BoolCmd switch expiration { case 0: cmd = NewBoolCmd(ctx, "set", key, value, "xx") case KeepTTL: cmd = NewBoolCmd(ctx, "set", key, value, "keepttl", "xx") default: if usePrecise(expiration) { cmd = NewBoolCmd(ctx, "set", key, value, "px", formatMs(ctx, expiration), "xx") } else { cmd = NewBoolCmd(ctx, "set", key, value, "ex", formatSec(ctx, expiration), "xx") } } _ = c(ctx, cmd) return cmd } func (c cmdable) SetRange(ctx context.Context, key string, offset int64, value string) *IntCmd { cmd := NewIntCmd(ctx, "setrange", key, offset, value) _ = c(ctx, cmd) return cmd } func (c cmdable) StrLen(ctx context.Context, key string) *IntCmd { cmd := NewIntCmd(ctx, "strlen", key) _ = c(ctx, cmd) return cmd } //------------------------------------------------------------------------------ func (c cmdable) GetBit(ctx context.Context, key string, offset int64) *IntCmd { cmd := NewIntCmd(ctx, "getbit", key, offset) _ = c(ctx, cmd) return cmd } func (c cmdable) SetBit(ctx context.Context, key string, offset int64, value int) *IntCmd { cmd := NewIntCmd( ctx, "setbit", key, offset, value, ) _ = c(ctx, cmd) return cmd } type BitCount struct { Start, End int64 } func (c cmdable) BitCount(ctx context.Context, key string, bitCount *BitCount) *IntCmd { args := []interface{}{"bitcount", key} if bitCount != nil { args = append( args, bitCount.Start, bitCount.End, ) } cmd := NewIntCmd(ctx, args...) _ = c(ctx, cmd) return cmd } func (c cmdable) bitOp(ctx context.Context, op, destKey string, keys ...string) *IntCmd { args := make([]interface{}, 3+len(keys)) args[0] = "bitop" args[1] = op args[2] = destKey for i, key := range keys { args[3+i] = key } cmd := NewIntCmd(ctx, args...) _ = c(ctx, cmd) return cmd } func (c cmdable) BitOpAnd(ctx context.Context, destKey string, keys ...string) *IntCmd { return c.bitOp(ctx, "and", destKey, keys...) } func (c cmdable) BitOpOr(ctx context.Context, destKey string, keys ...string) *IntCmd { return c.bitOp(ctx, "or", destKey, keys...) } func (c cmdable) BitOpXor(ctx context.Context, destKey string, keys ...string) *IntCmd { return c.bitOp(ctx, "xor", destKey, keys...) } func (c cmdable) BitOpNot(ctx context.Context, destKey string, key string) *IntCmd { return c.bitOp(ctx, "not", destKey, key) } func (c cmdable) BitPos(ctx context.Context, key string, bit int64, pos ...int64) *IntCmd { args := make([]interface{}, 3+len(pos)) args[0] = "bitpos" args[1] = key args[2] = bit switch len(pos) { case 0: case 1: args[3] = pos[0] case 2: args[3] = pos[0] args[4] = pos[1] default: panic("too many arguments") } cmd := NewIntCmd(ctx, args...) _ = c(ctx, cmd) return cmd } func (c cmdable) BitField(ctx context.Context, key string, args ...interface{}) *IntSliceCmd { a := make([]interface{}, 0, 2+len(args)) a = append(a, "bitfield") a = append(a, key) a = append(a, args...) cmd := NewIntSliceCmd(ctx, a...) _ = c(ctx, cmd) return cmd } //------------------------------------------------------------------------------ func (c cmdable) Scan(ctx context.Context, cursor uint64, match string, count int64) *ScanCmd { args := []interface{}{"scan", cursor} if match != "" { args = append(args, "match", match) } if count > 0 { args = append(args, "count", count) } cmd := NewScanCmd(ctx, c, args...) _ = c(ctx, cmd) return cmd } func (c cmdable) ScanType(ctx context.Context, cursor uint64, match string, count int64, keyType string) *ScanCmd { args := []interface{}{"scan", cursor} if match != "" { args = append(args, "match", match) } if count > 0 { args = append(args, "count", count) } if keyType != "" { args = append(args, "type", keyType) } cmd := NewScanCmd(ctx, c, args...) _ = c(ctx, cmd) return cmd } func (c cmdable) SScan(ctx context.Context, key string, cursor uint64, match string, count int64) *ScanCmd { args := []interface{}{"sscan", key, cursor} if match != "" { args = append(args, "match", match) } if count > 0 { args = append(args, "count", count) } cmd := NewScanCmd(ctx, c, args...) _ = c(ctx, cmd) return cmd } func (c cmdable) HScan(ctx context.Context, key string, cursor uint64, match string, count int64) *ScanCmd { args := []interface{}{"hscan", key, cursor} if match != "" { args = append(args, "match", match) } if count > 0 { args = append(args, "count", count) } cmd := NewScanCmd(ctx, c, args...) _ = c(ctx, cmd) return cmd } func (c cmdable) ZScan(ctx context.Context, key string, cursor uint64, match string, count int64) *ScanCmd { args := []interface{}{"zscan", key, cursor} if match != "" { args = append(args, "match", match) } if count > 0 { args = append(args, "count", count) } cmd := NewScanCmd(ctx, c, args...) _ = c(ctx, cmd) return cmd } //------------------------------------------------------------------------------ func (c cmdable) HDel(ctx context.Context, key string, fields ...string) *IntCmd { args := make([]interface{}, 2+len(fields)) args[0] = "hdel" args[1] = key for i, field := range fields { args[2+i] = field } cmd := NewIntCmd(ctx, args...) _ = c(ctx, cmd) return cmd } func (c cmdable) HExists(ctx context.Context, key, field string) *BoolCmd { cmd := NewBoolCmd(ctx, "hexists", key, field) _ = c(ctx, cmd) return cmd } func (c cmdable) HGet(ctx context.Context, key, field string) *StringCmd { cmd := NewStringCmd(ctx, "hget", key, field) _ = c(ctx, cmd) return cmd } func (c cmdable) HGetAll(ctx context.Context, key string) *StringStringMapCmd { cmd := NewStringStringMapCmd(ctx, "hgetall", key) _ = c(ctx, cmd) return cmd } func (c cmdable) HIncrBy(ctx context.Context, key, field string, incr int64) *IntCmd { cmd := NewIntCmd(ctx, "hincrby", key, field, incr) _ = c(ctx, cmd) return cmd } func (c cmdable) HIncrByFloat(ctx context.Context, key, field string, incr float64) *FloatCmd { cmd := NewFloatCmd(ctx, "hincrbyfloat", key, field, incr) _ = c(ctx, cmd) return cmd } func (c cmdable) HKeys(ctx context.Context, key string) *StringSliceCmd { cmd := NewStringSliceCmd(ctx, "hkeys", key) _ = c(ctx, cmd) return cmd } func (c cmdable) HLen(ctx context.Context, key string) *IntCmd { cmd := NewIntCmd(ctx, "hlen", key) _ = c(ctx, cmd) return cmd } // HMGet returns the values for the specified fields in the hash stored at key. // It returns an interface{} to distinguish between empty string and nil value. func (c cmdable) HMGet(ctx context.Context, key string, fields ...string) *SliceCmd { args := make([]interface{}, 2+len(fields)) args[0] = "hmget" args[1] = key for i, field := range fields { args[2+i] = field } cmd := NewSliceCmd(ctx, args...) _ = c(ctx, cmd) return cmd } // HSet accepts values in following formats: // - HSet("myhash", "key1", "value1", "key2", "value2") // - HSet("myhash", []string{"key1", "value1", "key2", "value2"}) // - HSet("myhash", map[string]interface{}{"key1": "value1", "key2": "value2"}) // // Note that it requires Redis v4 for multiple field/value pairs support. func (c cmdable) HSet(ctx context.Context, key string, values ...interface{}) *IntCmd { args := make([]interface{}, 2, 2+len(values)) args[0] = "hset" args[1] = key args = appendArgs(args, values) cmd := NewIntCmd(ctx, args...) _ = c(ctx, cmd) return cmd } // HMSet is a deprecated version of HSet left for compatibility with Redis 3. func (c cmdable) HMSet(ctx context.Context, key string, values ...interface{}) *BoolCmd { args := make([]interface{}, 2, 2+len(values)) args[0] = "hmset" args[1] = key args = appendArgs(args, values) cmd := NewBoolCmd(ctx, args...) _ = c(ctx, cmd) return cmd } func (c cmdable) HSetNX(ctx context.Context, key, field string, value interface{}) *BoolCmd { cmd := NewBoolCmd(ctx, "hsetnx", key, field, value) _ = c(ctx, cmd) return cmd } func (c cmdable) HVals(ctx context.Context, key string) *StringSliceCmd { cmd := NewStringSliceCmd(ctx, "hvals", key) _ = c(ctx, cmd) return cmd } //------------------------------------------------------------------------------ func (c cmdable) BLPop(ctx context.Context, timeout time.Duration, keys ...string) *StringSliceCmd { args := make([]interface{}, 1+len(keys)+1) args[0] = "blpop" for i, key := range keys { args[1+i] = key } args[len(args)-1] = formatSec(ctx, timeout) cmd := NewStringSliceCmd(ctx, args...) cmd.setReadTimeout(timeout) _ = c(ctx, cmd) return cmd } func (c cmdable) BRPop(ctx context.Context, timeout time.Duration, keys ...string) *StringSliceCmd { args := make([]interface{}, 1+len(keys)+1) args[0] = "brpop" for i, key := range keys { args[1+i] = key } args[len(keys)+1] = formatSec(ctx, timeout) cmd := NewStringSliceCmd(ctx, args...) cmd.setReadTimeout(timeout) _ = c(ctx, cmd) return cmd } func (c cmdable) BRPopLPush(ctx context.Context, source, destination string, timeout time.Duration) *StringCmd { cmd := NewStringCmd( ctx, "brpoplpush", source, destination, formatSec(ctx, timeout), ) cmd.setReadTimeout(timeout) _ = c(ctx, cmd) return cmd } func (c cmdable) LIndex(ctx context.Context, key string, index int64) *StringCmd { cmd := NewStringCmd(ctx, "lindex", key, index) _ = c(ctx, cmd) return cmd } func (c cmdable) LInsert(ctx context.Context, key, op string, pivot, value interface{}) *IntCmd { cmd := NewIntCmd(ctx, "linsert", key, op, pivot, value) _ = c(ctx, cmd) return cmd } func (c cmdable) LInsertBefore(ctx context.Context, key string, pivot, value interface{}) *IntCmd { cmd := NewIntCmd(ctx, "linsert", key, "before", pivot, value) _ = c(ctx, cmd) return cmd } func (c cmdable) LInsertAfter(ctx context.Context, key string, pivot, value interface{}) *IntCmd { cmd := NewIntCmd(ctx, "linsert", key, "after", pivot, value) _ = c(ctx, cmd) return cmd } func (c cmdable) LLen(ctx context.Context, key string) *IntCmd { cmd := NewIntCmd(ctx, "llen", key) _ = c(ctx, cmd) return cmd } func (c cmdable) LPop(ctx context.Context, key string) *StringCmd { cmd := NewStringCmd(ctx, "lpop", key) _ = c(ctx, cmd) return cmd } type LPosArgs struct { Rank, MaxLen int64 } func (c cmdable) LPos(ctx context.Context, key string, value string, a LPosArgs) *IntCmd { args := []interface{}{"lpos", key, value} if a.Rank != 0 { args = append(args, "rank", a.Rank) } if a.MaxLen != 0 { args = append(args, "maxlen", a.MaxLen) } cmd := NewIntCmd(ctx, args...) _ = c(ctx, cmd) return cmd } func (c cmdable) LPosCount(ctx context.Context, key string, value string, count int64, a LPosArgs) *IntSliceCmd { args := []interface{}{"lpos", key, value, "count", count} if a.Rank != 0 { args = append(args, "rank", a.Rank) } if a.MaxLen != 0 { args = append(args, "maxlen", a.MaxLen) } cmd := NewIntSliceCmd(ctx, args...) _ = c(ctx, cmd) return cmd } func (c cmdable) LPush(ctx context.Context, key string, values ...interface{}) *IntCmd { args := make([]interface{}, 2, 2+len(values)) args[0] = "lpush" args[1] = key args = appendArgs(args, values) cmd := NewIntCmd(ctx, args...) _ = c(ctx, cmd) return cmd } func (c cmdable) LPushX(ctx context.Context, key string, values ...interface{}) *IntCmd { args := make([]interface{}, 2, 2+len(values)) args[0] = "lpushx" args[1] = key args = appendArgs(args, values) cmd := NewIntCmd(ctx, args...) _ = c(ctx, cmd) return cmd } func (c cmdable) LRange(ctx context.Context, key string, start, stop int64) *StringSliceCmd { cmd := NewStringSliceCmd( ctx, "lrange", key, start, stop, ) _ = c(ctx, cmd) return cmd } func (c cmdable) LRem(ctx context.Context, key string, count int64, value interface{}) *IntCmd { cmd := NewIntCmd(ctx, "lrem", key, count, value) _ = c(ctx, cmd) return cmd } func (c cmdable) LSet(ctx context.Context, key string, index int64, value interface{}) *StatusCmd { cmd := NewStatusCmd(ctx, "lset", key, index, value) _ = c(ctx, cmd) return cmd } func (c cmdable) LTrim(ctx context.Context, key string, start, stop int64) *StatusCmd { cmd := NewStatusCmd( ctx, "ltrim", key, start, stop, ) _ = c(ctx, cmd) return cmd } func (c cmdable) RPop(ctx context.Context, key string) *StringCmd { cmd := NewStringCmd(ctx, "rpop", key) _ = c(ctx, cmd) return cmd } func (c cmdable) RPopLPush(ctx context.Context, source, destination string) *StringCmd { cmd := NewStringCmd(ctx, "rpoplpush", source, destination) _ = c(ctx, cmd) return cmd } func (c cmdable) RPush(ctx context.Context, key string, values ...interface{}) *IntCmd { args := make([]interface{}, 2, 2+len(values)) args[0] = "rpush" args[1] = key args = appendArgs(args, values) cmd := NewIntCmd(ctx, args...) _ = c(ctx, cmd) return cmd } func (c cmdable) RPushX(ctx context.Context, key string, values ...interface{}) *IntCmd { args := make([]interface{}, 2, 2+len(values)) args[0] = "rpushx" args[1] = key args = appendArgs(args, values) cmd := NewIntCmd(ctx, args...) _ = c(ctx, cmd) return cmd } //------------------------------------------------------------------------------ func (c cmdable) SAdd(ctx context.Context, key string, members ...interface{}) *IntCmd { args := make([]interface{}, 2, 2+len(members)) args[0] = "sadd" args[1] = key args = appendArgs(args, members) cmd := NewIntCmd(ctx, args...) _ = c(ctx, cmd) return cmd } func (c cmdable) SCard(ctx context.Context, key string) *IntCmd { cmd := NewIntCmd(ctx, "scard", key) _ = c(ctx, cmd) return cmd } func (c cmdable) SDiff(ctx context.Context, keys ...string) *StringSliceCmd { args := make([]interface{}, 1+len(keys)) args[0] = "sdiff" for i, key := range keys { args[1+i] = key } cmd := NewStringSliceCmd(ctx, args...) _ = c(ctx, cmd) return cmd } func (c cmdable) SDiffStore(ctx context.Context, destination string, keys ...string) *IntCmd { args := make([]interface{}, 2+len(keys)) args[0] = "sdiffstore" args[1] = destination for i, key := range keys { args[2+i] = key } cmd := NewIntCmd(ctx, args...) _ = c(ctx, cmd) return cmd } func (c cmdable) SInter(ctx context.Context, keys ...string) *StringSliceCmd { args := make([]interface{}, 1+len(keys)) args[0] = "sinter" for i, key := range keys { args[1+i] = key } cmd := NewStringSliceCmd(ctx, args...) _ = c(ctx, cmd) return cmd } func (c cmdable) SInterStore(ctx context.Context, destination string, keys ...string) *IntCmd { args := make([]interface{}, 2+len(keys)) args[0] = "sinterstore" args[1] = destination for i, key := range keys { args[2+i] = key } cmd := NewIntCmd(ctx, args...) _ = c(ctx, cmd) return cmd } func (c cmdable) SIsMember(ctx context.Context, key string, member interface{}) *BoolCmd { cmd := NewBoolCmd(ctx, "sismember", key, member) _ = c(ctx, cmd) return cmd } // Redis `SMEMBERS key` command output as a slice. func (c cmdable) SMembers(ctx context.Context, key string) *StringSliceCmd { cmd := NewStringSliceCmd(ctx, "smembers", key) _ = c(ctx, cmd) return cmd } // Redis `SMEMBERS key` command output as a map. func (c cmdable) SMembersMap(ctx context.Context, key string) *StringStructMapCmd { cmd := NewStringStructMapCmd(ctx, "smembers", key) _ = c(ctx, cmd) return cmd } func (c cmdable) SMove(ctx context.Context, source, destination string, member interface{}) *BoolCmd { cmd := NewBoolCmd(ctx, "smove", source, destination, member) _ = c(ctx, cmd) return cmd } // Redis `SPOP key` command. func (c cmdable) SPop(ctx context.Context, key string) *StringCmd { cmd := NewStringCmd(ctx, "spop", key) _ = c(ctx, cmd) return cmd } // Redis `SPOP key count` command. func (c cmdable) SPopN(ctx context.Context, key string, count int64) *StringSliceCmd { cmd := NewStringSliceCmd(ctx, "spop", key, count) _ = c(ctx, cmd) return cmd } // Redis `SRANDMEMBER key` command. func (c cmdable) SRandMember(ctx context.Context, key string) *StringCmd { cmd := NewStringCmd(ctx, "srandmember", key) _ = c(ctx, cmd) return cmd } // Redis `SRANDMEMBER key count` command. func (c cmdable) SRandMemberN(ctx context.Context, key string, count int64) *StringSliceCmd { cmd := NewStringSliceCmd(ctx, "srandmember", key, count) _ = c(ctx, cmd) return cmd } func (c cmdable) SRem(ctx context.Context, key string, members ...interface{}) *IntCmd { args := make([]interface{}, 2, 2+len(members)) args[0] = "srem" args[1] = key args = appendArgs(args, members) cmd := NewIntCmd(ctx, args...) _ = c(ctx, cmd) return cmd } func (c cmdable) SUnion(ctx context.Context, keys ...string) *StringSliceCmd { args := make([]interface{}, 1+len(keys)) args[0] = "sunion" for i, key := range keys { args[1+i] = key } cmd := NewStringSliceCmd(ctx, args...) _ = c(ctx, cmd) return cmd } func (c cmdable) SUnionStore(ctx context.Context, destination string, keys ...string) *IntCmd { args := make([]interface{}, 2+len(keys)) args[0] = "sunionstore" args[1] = destination for i, key := range keys { args[2+i] = key } cmd := NewIntCmd(ctx, args...) _ = c(ctx, cmd) return cmd } //------------------------------------------------------------------------------ // XAddArgs accepts values in the following formats: // - XAddArgs.Values = []interface{}{"key1", "value1", "key2", "value2"} // - XAddArgs.Values = []string("key1", "value1", "key2", "value2") // - XAddArgs.Values = map[string]interface{}{"key1": "value1", "key2": "value2"} // // Note that map will not preserve the order of key-value pairs. type XAddArgs struct { Stream string MaxLen int64 // MAXLEN N MaxLenApprox int64 // MAXLEN ~ N ID string Values interface{} } func (c cmdable) XAdd(ctx context.Context, a *XAddArgs) *StringCmd { args := make([]interface{}, 0, 8) args = append(args, "xadd") args = append(args, a.Stream) if a.MaxLen > 0 { args = append(args, "maxlen", a.MaxLen) } else if a.MaxLenApprox > 0 { args = append(args, "maxlen", "~", a.MaxLenApprox) } if a.ID != "" { args = append(args, a.ID) } else { args = append(args, "*") } args = appendArg(args, a.Values) cmd := NewStringCmd(ctx, args...) _ = c(ctx, cmd) return cmd } func (c cmdable) XDel(ctx context.Context, stream string, ids ...string) *IntCmd { args := []interface{}{"xdel", stream} for _, id := range ids { args = append(args, id) } cmd := NewIntCmd(ctx, args...) _ = c(ctx, cmd) return cmd } func (c cmdable) XLen(ctx context.Context, stream string) *IntCmd { cmd := NewIntCmd(ctx, "xlen", stream) _ = c(ctx, cmd) return cmd } func (c cmdable) XRange(ctx context.Context, stream, start, stop string) *XMessageSliceCmd { cmd := NewXMessageSliceCmd(ctx, "xrange", stream, start, stop) _ = c(ctx, cmd) return cmd } func (c cmdable) XRangeN(ctx context.Context, stream, start, stop string, count int64) *XMessageSliceCmd { cmd := NewXMessageSliceCmd(ctx, "xrange", stream, start, stop, "count", count) _ = c(ctx, cmd) return cmd } func (c cmdable) XRevRange(ctx context.Context, stream, start, stop string) *XMessageSliceCmd { cmd := NewXMessageSliceCmd(ctx, "xrevrange", stream, start, stop) _ = c(ctx, cmd) return cmd } func (c cmdable) XRevRangeN(ctx context.Context, stream, start, stop string, count int64) *XMessageSliceCmd { cmd := NewXMessageSliceCmd(ctx, "xrevrange", stream, start, stop, "count", count) _ = c(ctx, cmd) return cmd } type XReadArgs struct { Streams []string // list of streams and ids, e.g. stream1 stream2 id1 id2 Count int64 Block time.Duration } func (c cmdable) XRead(ctx context.Context, a *XReadArgs) *XStreamSliceCmd { args := make([]interface{}, 0, 5+len(a.Streams)) args = append(args, "xread") keyPos := int8(1) if a.Count > 0 { args = append(args, "count") args = append(args, a.Count) keyPos += 2 } if a.Block >= 0 { args = append(args, "block") args = append(args, int64(a.Block/time.Millisecond)) keyPos += 2 } args = append(args, "streams") keyPos++ for _, s := range a.Streams { args = append(args, s) } cmd := NewXStreamSliceCmd(ctx, args...) if a.Block >= 0 { cmd.setReadTimeout(a.Block) } cmd.setFirstKeyPos(keyPos) _ = c(ctx, cmd) return cmd } func (c cmdable) XReadStreams(ctx context.Context, streams ...string) *XStreamSliceCmd { return c.XRead(ctx, &XReadArgs{ Streams: streams, Block: -1, }) } func (c cmdable) XGroupCreate(ctx context.Context, stream, group, start string) *StatusCmd { cmd := NewStatusCmd(ctx, "xgroup", "create", stream, group, start) _ = c(ctx, cmd) return cmd } func (c cmdable) XGroupCreateMkStream(ctx context.Context, stream, group, start string) *StatusCmd { cmd := NewStatusCmd(ctx, "xgroup", "create", stream, group, start, "mkstream") _ = c(ctx, cmd) return cmd } func (c cmdable) XGroupSetID(ctx context.Context, stream, group, start string) *StatusCmd { cmd := NewStatusCmd(ctx, "xgroup", "setid", stream, group, start) _ = c(ctx, cmd) return cmd } func (c cmdable) XGroupDestroy(ctx context.Context, stream, group string) *IntCmd { cmd := NewIntCmd(ctx, "xgroup", "destroy", stream, group) _ = c(ctx, cmd) return cmd } func (c cmdable) XGroupDelConsumer(ctx context.Context, stream, group, consumer string) *IntCmd { cmd := NewIntCmd(ctx, "xgroup", "delconsumer", stream, group, consumer) _ = c(ctx, cmd) return cmd } type XReadGroupArgs struct { Group string Consumer string Streams []string // list of streams and ids, e.g. stream1 stream2 id1 id2 Count int64 Block time.Duration NoAck bool } func (c cmdable) XReadGroup(ctx context.Context, a *XReadGroupArgs) *XStreamSliceCmd { args := make([]interface{}, 0, 8+len(a.Streams)) args = append(args, "xreadgroup", "group", a.Group, a.Consumer) keyPos := int8(1) if a.Count > 0 { args = append(args, "count", a.Count) keyPos += 2 } if a.Block >= 0 { args = append(args, "block", int64(a.Block/time.Millisecond)) keyPos += 2 } if a.NoAck { args = append(args, "noack") keyPos++ } args = append(args, "streams") keyPos++ for _, s := range a.Streams { args = append(args, s) } cmd := NewXStreamSliceCmd(ctx, args...) if a.Block >= 0 { cmd.setReadTimeout(a.Block) } cmd.setFirstKeyPos(keyPos) _ = c(ctx, cmd) return cmd } func (c cmdable) XAck(ctx context.Context, stream, group string, ids ...string) *IntCmd { args := []interface{}{"xack", stream, group} for _, id := range ids { args = append(args, id) } cmd := NewIntCmd(ctx, args...) _ = c(ctx, cmd) return cmd } func (c cmdable) XPending(ctx context.Context, stream, group string) *XPendingCmd { cmd := NewXPendingCmd(ctx, "xpending", stream, group) _ = c(ctx, cmd) return cmd } type XPendingExtArgs struct { Stream string Group string Start string End string Count int64 Consumer string } func (c cmdable) XPendingExt(ctx context.Context, a *XPendingExtArgs) *XPendingExtCmd { args := make([]interface{}, 0, 7) args = append(args, "xpending", a.Stream, a.Group, a.Start, a.End, a.Count) if a.Consumer != "" { args = append(args, a.Consumer) } cmd := NewXPendingExtCmd(ctx, args...) _ = c(ctx, cmd) return cmd } type XClaimArgs struct { Stream string Group string Consumer string MinIdle time.Duration Messages []string } func (c cmdable) XClaim(ctx context.Context, a *XClaimArgs) *XMessageSliceCmd { args := xClaimArgs(a) cmd := NewXMessageSliceCmd(ctx, args...) _ = c(ctx, cmd) return cmd } func (c cmdable) XClaimJustID(ctx context.Context, a *XClaimArgs) *StringSliceCmd { args := xClaimArgs(a) args = append(args, "justid") cmd := NewStringSliceCmd(ctx, args...) _ = c(ctx, cmd) return cmd } func xClaimArgs(a *XClaimArgs) []interface{} { args := make([]interface{}, 0, 4+len(a.Messages)) args = append(args, "xclaim", a.Stream, a.Group, a.Consumer, int64(a.MinIdle/time.Millisecond)) for _, id := range a.Messages { args = append(args, id) } return args } func (c cmdable) XTrim(ctx context.Context, key string, maxLen int64) *IntCmd { cmd := NewIntCmd(ctx, "xtrim", key, "maxlen", maxLen) _ = c(ctx, cmd) return cmd } func (c cmdable) XTrimApprox(ctx context.Context, key string, maxLen int64) *IntCmd { cmd := NewIntCmd(ctx, "xtrim", key, "maxlen", "~", maxLen) _ = c(ctx, cmd) return cmd } func (c cmdable) XInfoConsumers(ctx context.Context, key string, group string) *XInfoConsumersCmd { cmd := NewXInfoConsumersCmd(ctx, key, group) _ = c(ctx, cmd) return cmd } func (c cmdable) XInfoGroups(ctx context.Context, key string) *XInfoGroupsCmd { cmd := NewXInfoGroupsCmd(ctx, key) _ = c(ctx, cmd) return cmd } func (c cmdable) XInfoStream(ctx context.Context, key string) *XInfoStreamCmd { cmd := NewXInfoStreamCmd(ctx, key) _ = c(ctx, cmd) return cmd } //------------------------------------------------------------------------------ // Z represents sorted set member. type Z struct { Score float64 Member interface{} } // ZWithKey represents sorted set member including the name of the key where it was popped. type ZWithKey struct { Z Key string } // ZStore is used as an arg to ZInterStore and ZUnionStore. type ZStore struct { Keys []string Weights []float64 // Can be SUM, MIN or MAX. Aggregate string } // Redis `BZPOPMAX key [key ...] timeout` command. func (c cmdable) BZPopMax(ctx context.Context, timeout time.Duration, keys ...string) *ZWithKeyCmd { args := make([]interface{}, 1+len(keys)+1) args[0] = "bzpopmax" for i, key := range keys { args[1+i] = key } args[len(args)-1] = formatSec(ctx, timeout) cmd := NewZWithKeyCmd(ctx, args...) cmd.setReadTimeout(timeout) _ = c(ctx, cmd) return cmd } // Redis `BZPOPMIN key [key ...] timeout` command. func (c cmdable) BZPopMin(ctx context.Context, timeout time.Duration, keys ...string) *ZWithKeyCmd { args := make([]interface{}, 1+len(keys)+1) args[0] = "bzpopmin" for i, key := range keys { args[1+i] = key } args[len(args)-1] = formatSec(ctx, timeout) cmd := NewZWithKeyCmd(ctx, args...) cmd.setReadTimeout(timeout) _ = c(ctx, cmd) return cmd } func (c cmdable) zAdd(ctx context.Context, a []interface{}, n int, members ...*Z) *IntCmd { for i, m := range members { a[n+2*i] = m.Score a[n+2*i+1] = m.Member } cmd := NewIntCmd(ctx, a...) _ = c(ctx, cmd) return cmd } // Redis `ZADD key score member [score member ...]` command. func (c cmdable) ZAdd(ctx context.Context, key string, members ...*Z) *IntCmd { const n = 2 a := make([]interface{}, n+2*len(members)) a[0], a[1] = "zadd", key return c.zAdd(ctx, a, n, members...) } // Redis `ZADD key NX score member [score member ...]` command. func (c cmdable) ZAddNX(ctx context.Context, key string, members ...*Z) *IntCmd { const n = 3 a := make([]interface{}, n+2*len(members)) a[0], a[1], a[2] = "zadd", key, "nx" return c.zAdd(ctx, a, n, members...) } // Redis `ZADD key XX score member [score member ...]` command. func (c cmdable) ZAddXX(ctx context.Context, key string, members ...*Z) *IntCmd { const n = 3 a := make([]interface{}, n+2*len(members)) a[0], a[1], a[2] = "zadd", key, "xx" return c.zAdd(ctx, a, n, members...) } // Redis `ZADD key CH score member [score member ...]` command. func (c cmdable) ZAddCh(ctx context.Context, key string, members ...*Z) *IntCmd { const n = 3 a := make([]interface{}, n+2*len(members)) a[0], a[1], a[2] = "zadd", key, "ch" return c.zAdd(ctx, a, n, members...) } // Redis `ZADD key NX CH score member [score member ...]` command. func (c cmdable) ZAddNXCh(ctx context.Context, key string, members ...*Z) *IntCmd { const n = 4 a := make([]interface{}, n+2*len(members)) a[0], a[1], a[2], a[3] = "zadd", key, "nx", "ch" return c.zAdd(ctx, a, n, members...) } // Redis `ZADD key XX CH score member [score member ...]` command. func (c cmdable) ZAddXXCh(ctx context.Context, key string, members ...*Z) *IntCmd { const n = 4 a := make([]interface{}, n+2*len(members)) a[0], a[1], a[2], a[3] = "zadd", key, "xx", "ch" return c.zAdd(ctx, a, n, members...) } func (c cmdable) zIncr(ctx context.Context, a []interface{}, n int, members ...*Z) *FloatCmd { for i, m := range members { a[n+2*i] = m.Score a[n+2*i+1] = m.Member } cmd := NewFloatCmd(ctx, a...) _ = c(ctx, cmd) return cmd } // Redis `ZADD key INCR score member` command. func (c cmdable) ZIncr(ctx context.Context, key string, member *Z) *FloatCmd { const n = 3 a := make([]interface{}, n+2) a[0], a[1], a[2] = "zadd", key, "incr" return c.zIncr(ctx, a, n, member) } // Redis `ZADD key NX INCR score member` command. func (c cmdable) ZIncrNX(ctx context.Context, key string, member *Z) *FloatCmd { const n = 4 a := make([]interface{}, n+2) a[0], a[1], a[2], a[3] = "zadd", key, "incr", "nx" return c.zIncr(ctx, a, n, member) } // Redis `ZADD key XX INCR score member` command. func (c cmdable) ZIncrXX(ctx context.Context, key string, member *Z) *FloatCmd { const n = 4 a := make([]interface{}, n+2) a[0], a[1], a[2], a[3] = "zadd", key, "incr", "xx" return c.zIncr(ctx, a, n, member) } func (c cmdable) ZCard(ctx context.Context, key string) *IntCmd { cmd := NewIntCmd(ctx, "zcard", key) _ = c(ctx, cmd) return cmd } func (c cmdable) ZCount(ctx context.Context, key, min, max string) *IntCmd { cmd := NewIntCmd(ctx, "zcount", key, min, max) _ = c(ctx, cmd) return cmd } func (c cmdable) ZLexCount(ctx context.Context, key, min, max string) *IntCmd { cmd := NewIntCmd(ctx, "zlexcount", key, min, max) _ = c(ctx, cmd) return cmd } func (c cmdable) ZIncrBy(ctx context.Context, key string, increment float64, member string) *FloatCmd { cmd := NewFloatCmd(ctx, "zincrby", key, increment, member) _ = c(ctx, cmd) return cmd } func (c cmdable) ZInterStore(ctx context.Context, destination string, store *ZStore) *IntCmd { args := make([]interface{}, 3+len(store.Keys)) args[0] = "zinterstore" args[1] = destination args[2] = len(store.Keys) for i, key := range store.Keys { args[3+i] = key } if len(store.Weights) > 0 { args = append(args, "weights") for _, weight := range store.Weights { args = append(args, weight) } } if store.Aggregate != "" { args = append(args, "aggregate", store.Aggregate) } cmd := NewIntCmd(ctx, args...) cmd.setFirstKeyPos(3) _ = c(ctx, cmd) return cmd } func (c cmdable) ZPopMax(ctx context.Context, key string, count ...int64) *ZSliceCmd { args := []interface{}{ "zpopmax", key, } switch len(count) { case 0: break case 1: args = append(args, count[0]) default: panic("too many arguments") } cmd := NewZSliceCmd(ctx, args...) _ = c(ctx, cmd) return cmd } func (c cmdable) ZPopMin(ctx context.Context, key string, count ...int64) *ZSliceCmd { args := []interface{}{ "zpopmin", key, } switch len(count) { case 0: break case 1: args = append(args, count[0]) default: panic("too many arguments") } cmd := NewZSliceCmd(ctx, args...) _ = c(ctx, cmd) return cmd } func (c cmdable) zRange(ctx context.Context, key string, start, stop int64, withScores bool) *StringSliceCmd { args := []interface{}{ "zrange", key, start, stop, } if withScores { args = append(args, "withscores") } cmd := NewStringSliceCmd(ctx, args...) _ = c(ctx, cmd) return cmd } func (c cmdable) ZRange(ctx context.Context, key string, start, stop int64) *StringSliceCmd { return c.zRange(ctx, key, start, stop, false) } func (c cmdable) ZRangeWithScores(ctx context.Context, key string, start, stop int64) *ZSliceCmd { cmd := NewZSliceCmd(ctx, "zrange", key, start, stop, "withscores") _ = c(ctx, cmd) return cmd } type ZRangeBy struct { Min, Max string Offset, Count int64 } func (c cmdable) zRangeBy(ctx context.Context, zcmd, key string, opt *ZRangeBy, withScores bool) *StringSliceCmd { args := []interface{}{zcmd, key, opt.Min, opt.Max} if withScores { args = append(args, "withscores") } if opt.Offset != 0 || opt.Count != 0 { args = append( args, "limit", opt.Offset, opt.Count, ) } cmd := NewStringSliceCmd(ctx, args...) _ = c(ctx, cmd) return cmd } func (c cmdable) ZRangeByScore(ctx context.Context, key string, opt *ZRangeBy) *StringSliceCmd { return c.zRangeBy(ctx, "zrangebyscore", key, opt, false) } func (c cmdable) ZRangeByLex(ctx context.Context, key string, opt *ZRangeBy) *StringSliceCmd { return c.zRangeBy(ctx, "zrangebylex", key, opt, false) } func (c cmdable) ZRangeByScoreWithScores(ctx context.Context, key string, opt *ZRangeBy) *ZSliceCmd { args := []interface{}{"zrangebyscore", key, opt.Min, opt.Max, "withscores"} if opt.Offset != 0 || opt.Count != 0 { args = append( args, "limit", opt.Offset, opt.Count, ) } cmd := NewZSliceCmd(ctx, args...) _ = c(ctx, cmd) return cmd } func (c cmdable) ZRank(ctx context.Context, key, member string) *IntCmd { cmd := NewIntCmd(ctx, "zrank", key, member) _ = c(ctx, cmd) return cmd } func (c cmdable) ZRem(ctx context.Context, key string, members ...interface{}) *IntCmd { args := make([]interface{}, 2, 2+len(members)) args[0] = "zrem" args[1] = key args = appendArgs(args, members) cmd := NewIntCmd(ctx, args...) _ = c(ctx, cmd) return cmd } func (c cmdable) ZRemRangeByRank(ctx context.Context, key string, start, stop int64) *IntCmd { cmd := NewIntCmd( ctx, "zremrangebyrank", key, start, stop, ) _ = c(ctx, cmd) return cmd } func (c cmdable) ZRemRangeByScore(ctx context.Context, key, min, max string) *IntCmd { cmd := NewIntCmd(ctx, "zremrangebyscore", key, min, max) _ = c(ctx, cmd) return cmd } func (c cmdable) ZRemRangeByLex(ctx context.Context, key, min, max string) *IntCmd { cmd := NewIntCmd(ctx, "zremrangebylex", key, min, max) _ = c(ctx, cmd) return cmd } func (c cmdable) ZRevRange(ctx context.Context, key string, start, stop int64) *StringSliceCmd { cmd := NewStringSliceCmd(ctx, "zrevrange", key, start, stop) _ = c(ctx, cmd) return cmd } func (c cmdable) ZRevRangeWithScores(ctx context.Context, key string, start, stop int64) *ZSliceCmd { cmd := NewZSliceCmd(ctx, "zrevrange", key, start, stop, "withscores") _ = c(ctx, cmd) return cmd } func (c cmdable) zRevRangeBy(ctx context.Context, zcmd, key string, opt *ZRangeBy) *StringSliceCmd { args := []interface{}{zcmd, key, opt.Max, opt.Min} if opt.Offset != 0 || opt.Count != 0 { args = append( args, "limit", opt.Offset, opt.Count, ) } cmd := NewStringSliceCmd(ctx, args...) _ = c(ctx, cmd) return cmd } func (c cmdable) ZRevRangeByScore(ctx context.Context, key string, opt *ZRangeBy) *StringSliceCmd { return c.zRevRangeBy(ctx, "zrevrangebyscore", key, opt) } func (c cmdable) ZRevRangeByLex(ctx context.Context, key string, opt *ZRangeBy) *StringSliceCmd { return c.zRevRangeBy(ctx, "zrevrangebylex", key, opt) } func (c cmdable) ZRevRangeByScoreWithScores(ctx context.Context, key string, opt *ZRangeBy) *ZSliceCmd { args := []interface{}{"zrevrangebyscore", key, opt.Max, opt.Min, "withscores"} if opt.Offset != 0 || opt.Count != 0 { args = append( args, "limit", opt.Offset, opt.Count, ) } cmd := NewZSliceCmd(ctx, args...) _ = c(ctx, cmd) return cmd } func (c cmdable) ZRevRank(ctx context.Context, key, member string) *IntCmd { cmd := NewIntCmd(ctx, "zrevrank", key, member) _ = c(ctx, cmd) return cmd } func (c cmdable) ZScore(ctx context.Context, key, member string) *FloatCmd { cmd := NewFloatCmd(ctx, "zscore", key, member) _ = c(ctx, cmd) return cmd } func (c cmdable) ZUnionStore(ctx context.Context, dest string, store *ZStore) *IntCmd { args := make([]interface{}, 3+len(store.Keys)) args[0] = "zunionstore" args[1] = dest args[2] = len(store.Keys) for i, key := range store.Keys { args[3+i] = key } if len(store.Weights) > 0 { args = append(args, "weights") for _, weight := range store.Weights { args = append(args, weight) } } if store.Aggregate != "" { args = append(args, "aggregate", store.Aggregate) } cmd := NewIntCmd(ctx, args...) cmd.setFirstKeyPos(3) _ = c(ctx, cmd) return cmd } //------------------------------------------------------------------------------ func (c cmdable) PFAdd(ctx context.Context, key string, els ...interface{}) *IntCmd { args := make([]interface{}, 2, 2+len(els)) args[0] = "pfadd" args[1] = key args = appendArgs(args, els) cmd := NewIntCmd(ctx, args...) _ = c(ctx, cmd) return cmd } func (c cmdable) PFCount(ctx context.Context, keys ...string) *IntCmd { args := make([]interface{}, 1+len(keys)) args[0] = "pfcount" for i, key := range keys { args[1+i] = key } cmd := NewIntCmd(ctx, args...) _ = c(ctx, cmd) return cmd } func (c cmdable) PFMerge(ctx context.Context, dest string, keys ...string) *StatusCmd { args := make([]interface{}, 2+len(keys)) args[0] = "pfmerge" args[1] = dest for i, key := range keys { args[2+i] = key } cmd := NewStatusCmd(ctx, args...) _ = c(ctx, cmd) return cmd } //------------------------------------------------------------------------------ func (c cmdable) BgRewriteAOF(ctx context.Context) *StatusCmd { cmd := NewStatusCmd(ctx, "bgrewriteaof") _ = c(ctx, cmd) return cmd } func (c cmdable) BgSave(ctx context.Context) *StatusCmd { cmd := NewStatusCmd(ctx, "bgsave") _ = c(ctx, cmd) return cmd } func (c cmdable) ClientKill(ctx context.Context, ipPort string) *StatusCmd { cmd := NewStatusCmd(ctx, "client", "kill", ipPort) _ = c(ctx, cmd) return cmd } // ClientKillByFilter is new style syntax, while the ClientKill is old // // CLIENT KILL