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commands.go
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commands.go
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package redis
import (
"io"
"strconv"
"time"
"gopkg.in/redis.v5/internal"
)
func readTimeout(timeout time.Duration) time.Duration {
if timeout == 0 {
return 0
}
return timeout + time.Second
}
func usePrecise(dur time.Duration) bool {
return dur < time.Second || dur%time.Second != 0
}
func formatMs(dur time.Duration) string {
if dur > 0 && dur < time.Millisecond {
internal.Logf(
"specified duration is %s, but minimal supported value is %s",
dur, time.Millisecond,
)
}
return strconv.FormatInt(int64(dur/time.Millisecond), 10)
}
func formatSec(dur time.Duration) string {
if dur > 0 && dur < time.Second {
internal.Logf(
"specified duration is %s, but minimal supported value is %s",
dur, time.Second,
)
}
return strconv.FormatInt(int64(dur/time.Second), 10)
}
type Cmdable interface {
Pipeline() *Pipeline
Pipelined(fn func(*Pipeline) error) ([]Cmder, error)
Echo(message interface{}) *StringCmd
Ping() *StatusCmd
Quit() *StatusCmd
Del(keys ...string) *IntCmd
Unlink(keys ...string) *IntCmd
Dump(key string) *StringCmd
Exists(key string) *BoolCmd
// TODO: merge with Exists in v6
ExistsMulti(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
SortInterfaces(key string, sort Sort) *SliceCmd
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]string) *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
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
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
DbSize() *IntCmd
FlushAll() *StatusCmd
FlushDb() *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(scripts ...string) *BoolSliceCmd
ScriptFlush() *StatusCmd
ScriptKill() *StatusCmd
ScriptLoad(script string) *StringCmd
DebugObject(key string) *StringCmd
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
GeoRadiusByMember(key, member string, query *GeoRadiusQuery) *GeoLocationCmd
GeoDist(key string, member1, member2, unit string) *FloatCmd
GeoHash(key string, members ...string) *StringSliceCmd
Command() *CommandsInfoCmd
}
var _ Cmdable = (*Client)(nil)
var _ Cmdable = (*Tx)(nil)
var _ Cmdable = (*Ring)(nil)
var _ Cmdable = (*ClusterClient)(nil)
type cmdable struct {
process func(cmd Cmder) error
}
type statefulCmdable struct {
process func(cmd Cmder) error
}
//------------------------------------------------------------------------------
func (c *statefulCmdable) Auth(password string) *StatusCmd {
cmd := NewStatusCmd("auth", password)
c.process(cmd)
return cmd
}
func (c *cmdable) Echo(message interface{}) *StringCmd {
cmd := NewStringCmd("echo", message)
c.process(cmd)
return cmd
}
func (c *cmdable) Ping() *StatusCmd {
cmd := NewStatusCmd("ping")
c.process(cmd)
return cmd
}
func (c *cmdable) Wait(numSlaves int, timeout time.Duration) *IntCmd {
cmd := NewIntCmd("wait", numSlaves, int(timeout/time.Millisecond))
c.process(cmd)
return cmd
}
func (c *cmdable) Quit() *StatusCmd {
panic("not implemented")
}
func (c *statefulCmdable) Select(index int) *StatusCmd {
cmd := NewStatusCmd("select", index)
c.process(cmd)
return cmd
}
//------------------------------------------------------------------------------
func (c *cmdable) Del(keys ...string) *IntCmd {
args := make([]interface{}, 1+len(keys))
args[0] = "del"
for i, key := range keys {
args[1+i] = key
}
cmd := NewIntCmd(args...)
c.process(cmd)
return cmd
}
func (c *cmdable) Unlink(keys ...string) *IntCmd {
args := make([]interface{}, 1+len(keys))
args[0] = "unlink"
for i, key := range keys {
args[1+i] = key
}
cmd := NewIntCmd(args...)
c.process(cmd)
return cmd
}
func (c *cmdable) Dump(key string) *StringCmd {
cmd := NewStringCmd("dump", key)
c.process(cmd)
return cmd
}
func (c *cmdable) Exists(key string) *BoolCmd {
cmd := NewBoolCmd("exists", key)
c.process(cmd)
return cmd
}
func (c *cmdable) ExistsMulti(keys ...string) *IntCmd {
args := make([]interface{}, 1+len(keys))
args[0] = "exists"
for i, key := range keys {
args[1+i] = key
}
cmd := NewIntCmd(args...)
c.process(cmd)
return cmd
}
func (c *cmdable) Expire(key string, expiration time.Duration) *BoolCmd {
cmd := NewBoolCmd("expire", key, formatSec(expiration))
c.process(cmd)
return cmd
}
func (c *cmdable) ExpireAt(key string, tm time.Time) *BoolCmd {
cmd := NewBoolCmd("expireat", key, tm.Unix())
c.process(cmd)
return cmd
}
func (c *cmdable) Keys(pattern string) *StringSliceCmd {
cmd := NewStringSliceCmd("keys", pattern)
c.process(cmd)
return cmd
}
func (c *cmdable) Migrate(host, port, key string, db int64, timeout time.Duration) *StatusCmd {
cmd := NewStatusCmd(
"migrate",
host,
port,
key,
db,
formatMs(timeout),
)
cmd.setReadTimeout(readTimeout(timeout))
c.process(cmd)
return cmd
}
func (c *cmdable) Move(key string, db int64) *BoolCmd {
cmd := NewBoolCmd("move", key, db)
c.process(cmd)
return cmd
}
func (c *cmdable) ObjectRefCount(key string) *IntCmd {
cmd := NewIntCmd("object", "refcount", key)
c.process(cmd)
return cmd
}
func (c *cmdable) ObjectEncoding(key string) *StringCmd {
cmd := NewStringCmd("object", "encoding", key)
c.process(cmd)
return cmd
}
func (c *cmdable) ObjectIdleTime(key string) *DurationCmd {
cmd := NewDurationCmd(time.Second, "object", "idletime", key)
c.process(cmd)
return cmd
}
func (c *cmdable) Persist(key string) *BoolCmd {
cmd := NewBoolCmd("persist", key)
c.process(cmd)
return cmd
}
func (c *cmdable) PExpire(key string, expiration time.Duration) *BoolCmd {
cmd := NewBoolCmd("pexpire", key, formatMs(expiration))
c.process(cmd)
return cmd
}
func (c *cmdable) PExpireAt(key string, tm time.Time) *BoolCmd {
cmd := NewBoolCmd(
"pexpireat",
key,
tm.UnixNano()/int64(time.Millisecond),
)
c.process(cmd)
return cmd
}
func (c *cmdable) PTTL(key string) *DurationCmd {
cmd := NewDurationCmd(time.Millisecond, "pttl", key)
c.process(cmd)
return cmd
}
func (c *cmdable) RandomKey() *StringCmd {
cmd := NewStringCmd("randomkey")
c.process(cmd)
return cmd
}
func (c *cmdable) Rename(key, newkey string) *StatusCmd {
cmd := NewStatusCmd("rename", key, newkey)
c.process(cmd)
return cmd
}
func (c *cmdable) RenameNX(key, newkey string) *BoolCmd {
cmd := NewBoolCmd("renamenx", key, newkey)
c.process(cmd)
return cmd
}
func (c *cmdable) Restore(key string, ttl time.Duration, value string) *StatusCmd {
cmd := NewStatusCmd(
"restore",
key,
formatMs(ttl),
value,
)
c.process(cmd)
return cmd
}
func (c *cmdable) RestoreReplace(key string, ttl time.Duration, value string) *StatusCmd {
cmd := NewStatusCmd(
"restore",
key,
formatMs(ttl),
value,
"replace",
)
c.process(cmd)
return cmd
}
type Sort struct {
By string
Offset, Count float64
Get []string
Order string
IsAlpha bool
Store string
}
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.IsAlpha {
args = append(args, "alpha")
}
if sort.Store != "" {
args = append(args, "store", sort.Store)
}
return args
}
func (c *cmdable) Sort(key string, sort Sort) *StringSliceCmd {
cmd := NewStringSliceCmd(sort.args(key)...)
c.process(cmd)
return cmd
}
func (c *cmdable) SortInterfaces(key string, sort Sort) *SliceCmd {
cmd := NewSliceCmd(sort.args(key)...)
c.process(cmd)
return cmd
}
func (c *cmdable) TTL(key string) *DurationCmd {
cmd := NewDurationCmd(time.Second, "ttl", key)
c.process(cmd)
return cmd
}
func (c *cmdable) Type(key string) *StatusCmd {
cmd := NewStatusCmd("type", key)
c.process(cmd)
return cmd
}
func (c *cmdable) Scan(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(c.process, args...)
c.process(cmd)
return cmd
}
func (c *cmdable) SScan(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(c.process, args...)
c.process(cmd)
return cmd
}
func (c *cmdable) HScan(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(c.process, args...)
c.process(cmd)
return cmd
}
func (c *cmdable) ZScan(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(c.process, args...)
c.process(cmd)
return cmd
}
//------------------------------------------------------------------------------
func (c *cmdable) Append(key, value string) *IntCmd {
cmd := NewIntCmd("append", key, value)
c.process(cmd)
return cmd
}
type BitCount struct {
Start, End int64
}
func (c *cmdable) BitCount(key string, bitCount *BitCount) *IntCmd {
args := []interface{}{"bitcount", key}
if bitCount != nil {
args = append(
args,
bitCount.Start,
bitCount.End,
)
}
cmd := NewIntCmd(args...)
c.process(cmd)
return cmd
}
func (c *cmdable) bitOp(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(args...)
c.process(cmd)
return cmd
}
func (c *cmdable) BitOpAnd(destKey string, keys ...string) *IntCmd {
return c.bitOp("and", destKey, keys...)
}
func (c *cmdable) BitOpOr(destKey string, keys ...string) *IntCmd {
return c.bitOp("or", destKey, keys...)
}
func (c *cmdable) BitOpXor(destKey string, keys ...string) *IntCmd {
return c.bitOp("xor", destKey, keys...)
}
func (c *cmdable) BitOpNot(destKey string, key string) *IntCmd {
return c.bitOp("not", destKey, key)
}
func (c *cmdable) BitPos(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(args...)
c.process(cmd)
return cmd
}
func (c *cmdable) Decr(key string) *IntCmd {
cmd := NewIntCmd("decr", key)
c.process(cmd)
return cmd
}
func (c *cmdable) DecrBy(key string, decrement int64) *IntCmd {
cmd := NewIntCmd("decrby", key, decrement)
c.process(cmd)
return cmd
}
func (c *cmdable) Get(key string) *StringCmd {
cmd := NewStringCmd("get", key)
c.process(cmd)
return cmd
}
func (c *cmdable) GetBit(key string, offset int64) *IntCmd {
cmd := NewIntCmd("getbit", key, offset)
c.process(cmd)
return cmd
}
func (c *cmdable) GetRange(key string, start, end int64) *StringCmd {
cmd := NewStringCmd("getrange", key, start, end)
c.process(cmd)
return cmd
}
func (c *cmdable) GetSet(key string, value interface{}) *StringCmd {
cmd := NewStringCmd("getset", key, value)
c.process(cmd)
return cmd
}
func (c *cmdable) Incr(key string) *IntCmd {
cmd := NewIntCmd("incr", key)
c.process(cmd)
return cmd
}
func (c *cmdable) IncrBy(key string, value int64) *IntCmd {
cmd := NewIntCmd("incrby", key, value)
c.process(cmd)
return cmd
}
func (c *cmdable) IncrByFloat(key string, value float64) *FloatCmd {
cmd := NewFloatCmd("incrbyfloat", key, value)
c.process(cmd)
return cmd
}
func (c *cmdable) MGet(keys ...string) *SliceCmd {
args := make([]interface{}, 1+len(keys))
args[0] = "mget"
for i, key := range keys {
args[1+i] = key
}
cmd := NewSliceCmd(args...)
c.process(cmd)
return cmd
}
func (c *cmdable) MSet(pairs ...interface{}) *StatusCmd {
args := make([]interface{}, 1+len(pairs))
args[0] = "mset"
for i, pair := range pairs {
args[1+i] = pair
}
cmd := NewStatusCmd(args...)
c.process(cmd)
return cmd
}
func (c *cmdable) MSetNX(pairs ...interface{}) *BoolCmd {
args := make([]interface{}, 1+len(pairs))
args[0] = "msetnx"
for i, pair := range pairs {
args[1+i] = pair
}
cmd := NewBoolCmd(args...)
c.process(cmd)
return cmd
}
// Redis `SET key value [expiration]` command.
//
// Use expiration for `SETEX`-like behavior.
// Zero expiration means the key has no expiration time.
func (c *cmdable) Set(key string, value interface{}, expiration time.Duration) *StatusCmd {
args := make([]interface{}, 3, 4)
args[0] = "set"
args[1] = key
args[2] = value
if expiration > 0 {
if usePrecise(expiration) {
args = append(args, "px", formatMs(expiration))
} else {
args = append(args, "ex", formatSec(expiration))
}
}
cmd := NewStatusCmd(args...)
c.process(cmd)
return cmd
}
func (c *cmdable) SetBit(key string, offset int64, value int) *IntCmd {
cmd := NewIntCmd(
"setbit",
key,
offset,
value,
)
c.process(cmd)
return cmd
}
// Redis `SET key value [expiration] NX` command.
//
// Zero expiration means the key has no expiration time.
func (c *cmdable) SetNX(key string, value interface{}, expiration time.Duration) *BoolCmd {
var cmd *BoolCmd
if expiration == 0 {
// Use old `SETNX` to support old Redis versions.
cmd = NewBoolCmd("setnx", key, value)
} else {
if usePrecise(expiration) {
cmd = NewBoolCmd("set", key, value, "px", formatMs(expiration), "nx")
} else {
cmd = NewBoolCmd("set", key, value, "ex", formatSec(expiration), "nx")
}
}
c.process(cmd)
return cmd
}
// Redis `SET key value [expiration] XX` command.
//
// Zero expiration means the key has no expiration time.
func (c *cmdable) SetXX(key string, value interface{}, expiration time.Duration) *BoolCmd {
var cmd *BoolCmd
if expiration == 0 {
cmd = NewBoolCmd("set", key, value, "xx")
} else {
if usePrecise(expiration) {
cmd = NewBoolCmd("set", key, value, "px", formatMs(expiration), "xx")
} else {
cmd = NewBoolCmd("set", key, value, "ex", formatSec(expiration), "xx")
}
}
c.process(cmd)
return cmd
}
func (c *cmdable) SetRange(key string, offset int64, value string) *IntCmd {
cmd := NewIntCmd("setrange", key, offset, value)
c.process(cmd)
return cmd
}
func (c *cmdable) StrLen(key string) *IntCmd {
cmd := NewIntCmd("strlen", key)
c.process(cmd)
return cmd
}
//------------------------------------------------------------------------------
func (c *cmdable) HDel(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(args...)
c.process(cmd)
return cmd
}
func (c *cmdable) HExists(key, field string) *BoolCmd {
cmd := NewBoolCmd("hexists", key, field)
c.process(cmd)
return cmd
}
func (c *cmdable) HGet(key, field string) *StringCmd {
cmd := NewStringCmd("hget", key, field)
c.process(cmd)
return cmd
}
func (c *cmdable) HGetAll(key string) *StringStringMapCmd {
cmd := NewStringStringMapCmd("hgetall", key)
c.process(cmd)
return cmd
}
func (c *cmdable) HIncrBy(key, field string, incr int64) *IntCmd {
cmd := NewIntCmd("hincrby", key, field, incr)
c.process(cmd)
return cmd
}
func (c *cmdable) HIncrByFloat(key, field string, incr float64) *FloatCmd {
cmd := NewFloatCmd("hincrbyfloat", key, field, incr)
c.process(cmd)
return cmd
}
func (c *cmdable) HKeys(key string) *StringSliceCmd {
cmd := NewStringSliceCmd("hkeys", key)
c.process(cmd)
return cmd
}
func (c *cmdable) HLen(key string) *IntCmd {
cmd := NewIntCmd("hlen", key)
c.process(cmd)
return cmd
}
func (c *cmdable) HMGet(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(args...)
c.process(cmd)
return cmd
}
func (c *cmdable) HMSet(key string, fields map[string]string) *StatusCmd {
args := make([]interface{}, 2+len(fields)*2)
args[0] = "hmset"
args[1] = key
i := 2
for k, v := range fields {
args[i] = k
args[i+1] = v
i += 2
}
cmd := NewStatusCmd(args...)
c.process(cmd)
return cmd
}
func (c *cmdable) HSet(key, field string, value interface{}) *BoolCmd {
cmd := NewBoolCmd("hset", key, field, value)
c.process(cmd)
return cmd
}
func (c *cmdable) HSetNX(key, field string, value interface{}) *BoolCmd {
cmd := NewBoolCmd("hsetnx", key, field, value)
c.process(cmd)
return cmd
}
func (c *cmdable) HVals(key string) *StringSliceCmd {
cmd := NewStringSliceCmd("hvals", key)
c.process(cmd)
return cmd
}
//------------------------------------------------------------------------------
func (c *cmdable) BLPop(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(timeout)
cmd := NewStringSliceCmd(args...)
cmd.setReadTimeout(readTimeout(timeout))
c.process(cmd)
return cmd
}
func (c *cmdable) BRPop(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(timeout)
cmd := NewStringSliceCmd(args...)
cmd.setReadTimeout(readTimeout(timeout))
c.process(cmd)
return cmd
}
func (c *cmdable) BRPopLPush(source, destination string, timeout time.Duration) *StringCmd {
cmd := NewStringCmd(
"brpoplpush",
source,
destination,
formatSec(timeout),
)
cmd.setReadTimeout(readTimeout(timeout))
c.process(cmd)
return cmd
}
func (c *cmdable) LIndex(key string, index int64) *StringCmd {
cmd := NewStringCmd("lindex", key, index)
c.process(cmd)
return cmd
}
func (c *cmdable) LInsert(key, op string, pivot, value interface{}) *IntCmd {
cmd := NewIntCmd("linsert", key, op, pivot, value)
c.process(cmd)
return cmd
}
func (c *cmdable) LInsertBefore(key string, pivot, value interface{}) *IntCmd {
cmd := NewIntCmd("linsert", key, "before", pivot, value)
c.process(cmd)
return cmd
}
func (c *cmdable) LInsertAfter(key string, pivot, value interface{}) *IntCmd {
cmd := NewIntCmd("linsert", key, "after", pivot, value)
c.process(cmd)
return cmd
}
func (c *cmdable) LLen(key string) *IntCmd {
cmd := NewIntCmd("llen", key)
c.process(cmd)
return cmd
}
func (c *cmdable) LPop(key string) *StringCmd {
cmd := NewStringCmd("lpop", key)
c.process(cmd)
return cmd
}
func (c *cmdable) LPush(key string, values ...interface{}) *IntCmd {
args := make([]interface{}, 2+len(values))
args[0] = "lpush"
args[1] = key
for i, value := range values {
args[2+i] = value
}
cmd := NewIntCmd(args...)