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1878 lines
39 KiB
Go
1878 lines
39 KiB
Go
package redis
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import (
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"errors"
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"fmt"
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"strconv"
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"time"
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red "github.com/go-redis/redis"
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"github.com/tal-tech/go-zero/core/breaker"
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"github.com/tal-tech/go-zero/core/mapping"
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"github.com/tal-tech/go-zero/core/syncx"
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)
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const (
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// ClusterType means redis cluster.
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ClusterType = "cluster"
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// NodeType means redis node.
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NodeType = "node"
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// Nil is an alias of redis.Nil.
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Nil = red.Nil
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blockingQueryTimeout = 5 * time.Second
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readWriteTimeout = 2 * time.Second
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defaultSlowThreshold = time.Millisecond * 100
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)
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var (
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// ErrNilNode is an error that indicates a nil redis node.
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ErrNilNode = errors.New("nil redis node")
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slowThreshold = syncx.ForAtomicDuration(defaultSlowThreshold)
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)
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type (
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// Option defines the method to customize a Redis.
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Option func(r *Redis)
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// A Pair is a key/pair set used in redis zset.
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Pair struct {
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Key string
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Score int64
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}
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// Redis defines a redis node/cluster. It is thread-safe.
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Redis struct {
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Addr string
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Type string
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Pass string
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tls bool
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brk breaker.Breaker
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}
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// RedisNode interface represents a redis node.
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RedisNode interface {
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red.Cmdable
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}
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// GeoLocation is used with GeoAdd to add geospatial location.
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GeoLocation = red.GeoLocation
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// GeoRadiusQuery is used with GeoRadius to query geospatial index.
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GeoRadiusQuery = red.GeoRadiusQuery
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// GeoPos is used to represent a geo position.
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GeoPos = red.GeoPos
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// Pipeliner is an alias of redis.Pipeliner.
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Pipeliner = red.Pipeliner
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// Z represents sorted set member.
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Z = red.Z
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// ZStore is an alias of redis.ZStore.
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ZStore = red.ZStore
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// IntCmd is an alias of redis.IntCmd.
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IntCmd = red.IntCmd
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// FloatCmd is an alias of redis.FloatCmd.
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FloatCmd = red.FloatCmd
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// StringCmd is an alias of redis.StringCmd.
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StringCmd = red.StringCmd
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)
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// New returns a Redis with given options.
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func New(addr string, opts ...Option) *Redis {
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r := &Redis{
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Addr: addr,
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Type: NodeType,
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brk: breaker.NewBreaker(),
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}
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for _, opt := range opts {
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opt(r)
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}
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return r
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}
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// Deprecated: use New instead, will be removed in v2.
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// NewRedis returns a Redis.
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func NewRedis(redisAddr, redisType string, redisPass ...string) *Redis {
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var opts []Option
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if redisType == ClusterType {
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opts = append(opts, Cluster())
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}
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for _, v := range redisPass {
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opts = append(opts, WithPass(v))
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}
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return New(redisAddr, opts...)
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}
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// BitCount is redis bitcount command implementation.
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func (s *Redis) BitCount(key string, start, end int64) (val int64, err error) {
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err = s.brk.DoWithAcceptable(func() error {
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conn, err := getRedis(s)
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if err != nil {
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return err
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}
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val, err = conn.BitCount(key, &red.BitCount{
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Start: start,
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End: end,
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}).Result()
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return err
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}, acceptable)
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return
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}
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// BitOpAnd is redis bit operation (and) command implementation.
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func (s *Redis) BitOpAnd(destKey string, keys ...string) (val int64, err error) {
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err = s.brk.DoWithAcceptable(func() error {
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conn, err := getRedis(s)
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if err != nil {
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return err
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}
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val, err = conn.BitOpAnd(destKey, keys...).Result()
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return err
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}, acceptable)
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return
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}
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// BitOpNot is redis bit operation (not) command implementation.
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func (s *Redis) BitOpNot(destKey, key string) (val int64, err error) {
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err = s.brk.DoWithAcceptable(func() error {
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conn, err := getRedis(s)
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if err != nil {
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return err
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}
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val, err = conn.BitOpNot(destKey, key).Result()
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return err
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}, acceptable)
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return
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}
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// BitOpOr is redis bit operation (or) command implementation.
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func (s *Redis) BitOpOr(destKey string, keys ...string) (val int64, err error) {
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err = s.brk.DoWithAcceptable(func() error {
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conn, err := getRedis(s)
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if err != nil {
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return err
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}
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val, err = conn.BitOpOr(destKey, keys...).Result()
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return err
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}, acceptable)
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return
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}
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// BitOpXor is redis bit operation (xor) command implementation.
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func (s *Redis) BitOpXor(destKey string, keys ...string) (val int64, err error) {
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err = s.brk.DoWithAcceptable(func() error {
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conn, err := getRedis(s)
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if err != nil {
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return err
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}
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val, err = conn.BitOpXor(destKey, keys...).Result()
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return err
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}, acceptable)
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return
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}
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// BitPos is redis bitpos command implementation.
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func (s *Redis) BitPos(key string, bit, start, end int64) (val int64, err error) {
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err = s.brk.DoWithAcceptable(func() error {
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conn, err := getRedis(s)
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if err != nil {
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return err
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}
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val, err = conn.BitPos(key, bit, start, end).Result()
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return err
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}, acceptable)
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return
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}
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// Blpop uses passed in redis connection to execute blocking queries.
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// Doesn't benefit from pooling redis connections of blocking queries
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func (s *Redis) Blpop(redisNode RedisNode, key string) (string, error) {
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if redisNode == nil {
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return "", ErrNilNode
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}
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vals, err := redisNode.BLPop(blockingQueryTimeout, key).Result()
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if err != nil {
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return "", err
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}
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if len(vals) < 2 {
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return "", fmt.Errorf("no value on key: %s", key)
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}
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return vals[1], nil
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}
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// BlpopEx uses passed in redis connection to execute blpop command.
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// The difference against Blpop is that this method returns a bool to indicate success.
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func (s *Redis) BlpopEx(redisNode RedisNode, key string) (string, bool, error) {
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if redisNode == nil {
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return "", false, ErrNilNode
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}
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vals, err := redisNode.BLPop(blockingQueryTimeout, key).Result()
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if err != nil {
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return "", false, err
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}
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if len(vals) < 2 {
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return "", false, fmt.Errorf("no value on key: %s", key)
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}
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return vals[1], true, nil
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}
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// Decr is the implementation of redis decr command.
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func (s *Redis) Decr(key string) (val int64, err error) {
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err = s.brk.DoWithAcceptable(func() error {
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conn, err := getRedis(s)
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if err != nil {
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return err
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}
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val, err = conn.Decr(key).Result()
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return err
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}, acceptable)
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return
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}
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// Decrby is the implementation of redis decrby command.
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func (s *Redis) Decrby(key string, increment int64) (val int64, err error) {
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err = s.brk.DoWithAcceptable(func() error {
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conn, err := getRedis(s)
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if err != nil {
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return err
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}
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val, err = conn.DecrBy(key, increment).Result()
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return err
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}, acceptable)
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return
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}
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// Del deletes keys.
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func (s *Redis) Del(keys ...string) (val int, err error) {
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err = s.brk.DoWithAcceptable(func() error {
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conn, err := getRedis(s)
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if err != nil {
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return err
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}
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v, err := conn.Del(keys...).Result()
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if err != nil {
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return err
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}
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val = int(v)
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return nil
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}, acceptable)
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return
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}
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// Eval is the implementation of redis eval command.
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func (s *Redis) Eval(script string, keys []string, args ...interface{}) (val interface{}, err error) {
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err = s.brk.DoWithAcceptable(func() error {
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conn, err := getRedis(s)
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if err != nil {
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return err
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}
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val, err = conn.Eval(script, keys, args...).Result()
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return err
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}, acceptable)
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return
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}
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// EvalSha is the implementation of redis evalsha command.
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func (s *Redis) EvalSha(sha string, keys []string, args ...interface{}) (val interface{}, err error) {
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err = s.brk.DoWithAcceptable(func() error {
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conn, err := getRedis(s)
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if err != nil {
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return err
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}
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val, err = conn.EvalSha(sha, keys, args...).Result()
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return err
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}, acceptable)
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return
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}
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// Exists is the implementation of redis exists command.
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func (s *Redis) Exists(key string) (val bool, err error) {
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err = s.brk.DoWithAcceptable(func() error {
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conn, err := getRedis(s)
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if err != nil {
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return err
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}
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v, err := conn.Exists(key).Result()
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if err != nil {
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return err
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}
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val = v == 1
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return nil
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}, acceptable)
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return
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}
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// Expire is the implementation of redis expire command.
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func (s *Redis) Expire(key string, seconds int) error {
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return s.brk.DoWithAcceptable(func() error {
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conn, err := getRedis(s)
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if err != nil {
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return err
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}
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return conn.Expire(key, time.Duration(seconds)*time.Second).Err()
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}, acceptable)
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}
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// Expireat is the implementation of redis expireat command.
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func (s *Redis) Expireat(key string, expireTime int64) error {
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return s.brk.DoWithAcceptable(func() error {
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conn, err := getRedis(s)
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if err != nil {
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return err
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}
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return conn.ExpireAt(key, time.Unix(expireTime, 0)).Err()
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}, acceptable)
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}
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// GeoAdd is the implementation of redis geoadd command.
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func (s *Redis) GeoAdd(key string, geoLocation ...*GeoLocation) (val int64, err error) {
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err = s.brk.DoWithAcceptable(func() error {
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conn, err := getRedis(s)
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if err != nil {
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return err
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}
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v, err := conn.GeoAdd(key, geoLocation...).Result()
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if err != nil {
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return err
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}
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val = v
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return nil
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}, acceptable)
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return
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}
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// GeoDist is the implementation of redis geodist command.
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func (s *Redis) GeoDist(key, member1, member2, unit string) (val float64, err error) {
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err = s.brk.DoWithAcceptable(func() error {
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conn, err := getRedis(s)
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if err != nil {
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return err
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}
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v, err := conn.GeoDist(key, member1, member2, unit).Result()
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if err != nil {
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return err
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}
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val = v
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return nil
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}, acceptable)
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return
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}
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// GeoHash is the implementation of redis geohash command.
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func (s *Redis) GeoHash(key string, members ...string) (val []string, err error) {
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err = s.brk.DoWithAcceptable(func() error {
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conn, err := getRedis(s)
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if err != nil {
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return err
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}
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v, err := conn.GeoHash(key, members...).Result()
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if err != nil {
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return err
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}
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val = v
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return nil
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}, acceptable)
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return
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}
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// GeoRadius is the implementation of redis georadius command.
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func (s *Redis) GeoRadius(key string, longitude, latitude float64, query *GeoRadiusQuery) (val []GeoLocation, err error) {
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err = s.brk.DoWithAcceptable(func() error {
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conn, err := getRedis(s)
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if err != nil {
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return err
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}
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v, err := conn.GeoRadius(key, longitude, latitude, query).Result()
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if err != nil {
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return err
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}
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val = v
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return nil
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}, acceptable)
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return
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}
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// GeoRadiusByMember is the implementation of redis georadiusbymember command.
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func (s *Redis) GeoRadiusByMember(key, member string, query *GeoRadiusQuery) (val []GeoLocation, err error) {
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err = s.brk.DoWithAcceptable(func() error {
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conn, err := getRedis(s)
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if err != nil {
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return err
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}
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v, err := conn.GeoRadiusByMember(key, member, query).Result()
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if err != nil {
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return err
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}
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val = v
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return nil
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}, acceptable)
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return
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}
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// GeoPos is the implementation of redis geopos command.
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func (s *Redis) GeoPos(key string, members ...string) (val []*GeoPos, err error) {
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err = s.brk.DoWithAcceptable(func() error {
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conn, err := getRedis(s)
|
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if err != nil {
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return err
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}
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v, err := conn.GeoPos(key, members...).Result()
|
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if err != nil {
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return err
|
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}
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val = v
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return nil
|
|
}, acceptable)
|
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return
|
|
}
|
|
|
|
// Get is the implementation of redis get command.
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|
func (s *Redis) Get(key string) (val string, err error) {
|
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err = s.brk.DoWithAcceptable(func() error {
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conn, err := getRedis(s)
|
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if err != nil {
|
|
return err
|
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}
|
|
|
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if val, err = conn.Get(key).Result(); err == red.Nil {
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return nil
|
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} else if err != nil {
|
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return err
|
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} else {
|
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return nil
|
|
}
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// GetBit is the implementation of redis getbit command.
|
|
func (s *Redis) GetBit(key string, offset int64) (val int, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
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v, err := conn.GetBit(key, offset).Result()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
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val = int(v)
|
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return nil
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Hdel is the implementation of redis hdel command.
|
|
func (s *Redis) Hdel(key string, fields ...string) (val bool, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
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conn, err := getRedis(s)
|
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if err != nil {
|
|
return err
|
|
}
|
|
|
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v, err := conn.HDel(key, fields...).Result()
|
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if err != nil {
|
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return err
|
|
}
|
|
|
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val = v == 1
|
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return nil
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Hexists is the implementation of redis hexists command.
|
|
func (s *Redis) Hexists(key, field string) (val bool, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
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|
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val, err = conn.HExists(key, field).Result()
|
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return err
|
|
}, acceptable)
|
|
|
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return
|
|
}
|
|
|
|
// Hget is the implementation of redis hget command.
|
|
func (s *Redis) Hget(key, field string) (val string, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
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val, err = conn.HGet(key, field).Result()
|
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return err
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Hgetall is the implementation of redis hgetall command.
|
|
func (s *Redis) Hgetall(key string) (val map[string]string, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
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conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
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val, err = conn.HGetAll(key).Result()
|
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return err
|
|
}, acceptable)
|
|
|
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return
|
|
}
|
|
|
|
// Hincrby is the implementation of redis hincrby command.
|
|
func (s *Redis) Hincrby(key, field string, increment int) (val int, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
v, err := conn.HIncrBy(key, field, int64(increment)).Result()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val = int(v)
|
|
return nil
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Hkeys is the implementation of redis hkeys command.
|
|
func (s *Redis) Hkeys(key string) (val []string, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val, err = conn.HKeys(key).Result()
|
|
return err
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Hlen is the implementation of redis hlen command.
|
|
func (s *Redis) Hlen(key string) (val int, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
v, err := conn.HLen(key).Result()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val = int(v)
|
|
return nil
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Hmget is the implementation of redis hmget command.
|
|
func (s *Redis) Hmget(key string, fields ...string) (val []string, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
v, err := conn.HMGet(key, fields...).Result()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val = toStrings(v)
|
|
return nil
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Hset is the implementation of redis hset command.
|
|
func (s *Redis) Hset(key, field, value string) error {
|
|
return s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
return conn.HSet(key, field, value).Err()
|
|
}, acceptable)
|
|
}
|
|
|
|
// Hsetnx is the implementation of redis hsetnx command.
|
|
func (s *Redis) Hsetnx(key, field, value string) (val bool, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val, err = conn.HSetNX(key, field, value).Result()
|
|
return err
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Hmset is the implementation of redis hmset command.
|
|
func (s *Redis) Hmset(key string, fieldsAndValues map[string]string) error {
|
|
return s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
vals := make(map[string]interface{}, len(fieldsAndValues))
|
|
for k, v := range fieldsAndValues {
|
|
vals[k] = v
|
|
}
|
|
|
|
return conn.HMSet(key, vals).Err()
|
|
}, acceptable)
|
|
}
|
|
|
|
// Hscan is the implementation of redis hscan command.
|
|
func (s *Redis) Hscan(key string, cursor uint64, match string, count int64) (keys []string, cur uint64, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
keys, cur, err = conn.HScan(key, cursor, match, count).Result()
|
|
return err
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Hvals is the implementation of redis hvals command.
|
|
func (s *Redis) Hvals(key string) (val []string, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val, err = conn.HVals(key).Result()
|
|
return err
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Incr is the implementation of redis incr command.
|
|
func (s *Redis) Incr(key string) (val int64, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val, err = conn.Incr(key).Result()
|
|
return err
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Incrby is the implementation of redis incrby command.
|
|
func (s *Redis) Incrby(key string, increment int64) (val int64, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val, err = conn.IncrBy(key, int64(increment)).Result()
|
|
return err
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Keys is the implementation of redis keys command.
|
|
func (s *Redis) Keys(pattern string) (val []string, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val, err = conn.Keys(pattern).Result()
|
|
return err
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Llen is the implementation of redis llen command.
|
|
func (s *Redis) Llen(key string) (val int, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
v, err := conn.LLen(key).Result()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val = int(v)
|
|
return nil
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Lindex is the implementation of redis lindex command.
|
|
func (s *Redis) Lindex(key string, index int64) (val string, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val, err = conn.LIndex(key, index).Result()
|
|
return err
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Lpop is the implementation of redis lpop command.
|
|
func (s *Redis) Lpop(key string) (val string, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val, err = conn.LPop(key).Result()
|
|
return err
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Lpush is the implementation of redis lpush command.
|
|
func (s *Redis) Lpush(key string, values ...interface{}) (val int, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
v, err := conn.LPush(key, values...).Result()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val = int(v)
|
|
return nil
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Lrange is the implementation of redis lrange command.
|
|
func (s *Redis) Lrange(key string, start, stop int) (val []string, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val, err = conn.LRange(key, int64(start), int64(stop)).Result()
|
|
return err
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Lrem is the implementation of redis lrem command.
|
|
func (s *Redis) Lrem(key string, count int, value string) (val int, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
v, err := conn.LRem(key, int64(count), value).Result()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val = int(v)
|
|
return nil
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Mget is the implementation of redis mget command.
|
|
func (s *Redis) Mget(keys ...string) (val []string, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
v, err := conn.MGet(keys...).Result()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val = toStrings(v)
|
|
return nil
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Persist is the implementation of redis persist command.
|
|
func (s *Redis) Persist(key string) (val bool, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val, err = conn.Persist(key).Result()
|
|
return err
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Pfadd is the implementation of redis pfadd command.
|
|
func (s *Redis) Pfadd(key string, values ...interface{}) (val bool, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
v, err := conn.PFAdd(key, values...).Result()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val = v == 1
|
|
return nil
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Pfcount is the implementation of redis pfcount command.
|
|
func (s *Redis) Pfcount(key string) (val int64, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val, err = conn.PFCount(key).Result()
|
|
return err
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Pfmerge is the implementation of redis pfmerge command.
|
|
func (s *Redis) Pfmerge(dest string, keys ...string) error {
|
|
return s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
_, err = conn.PFMerge(dest, keys...).Result()
|
|
return err
|
|
}, acceptable)
|
|
}
|
|
|
|
// Ping is the implementation of redis ping command.
|
|
func (s *Redis) Ping() (val bool) {
|
|
// ignore error, error means false
|
|
_ = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
val = false
|
|
return nil
|
|
}
|
|
|
|
v, err := conn.Ping().Result()
|
|
if err != nil {
|
|
val = false
|
|
return nil
|
|
}
|
|
|
|
val = v == "PONG"
|
|
return nil
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Pipelined lets fn to execute pipelined commands.
|
|
func (s *Redis) Pipelined(fn func(Pipeliner) error) (err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
_, err = conn.Pipelined(fn)
|
|
return err
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Rpop is the implementation of redis rpop command.
|
|
func (s *Redis) Rpop(key string) (val string, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val, err = conn.RPop(key).Result()
|
|
return err
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Rpush is the implementation of redis rpush command.
|
|
func (s *Redis) Rpush(key string, values ...interface{}) (val int, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
v, err := conn.RPush(key, values...).Result()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val = int(v)
|
|
return nil
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Sadd is the implementation of redis sadd command.
|
|
func (s *Redis) Sadd(key string, values ...interface{}) (val int, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
v, err := conn.SAdd(key, values...).Result()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val = int(v)
|
|
return nil
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Scan is the implementation of redis scan command.
|
|
func (s *Redis) Scan(cursor uint64, match string, count int64) (keys []string, cur uint64, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
keys, cur, err = conn.Scan(cursor, match, count).Result()
|
|
return err
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// SetBit is the implementation of redis setbit command.
|
|
func (s *Redis) SetBit(key string, offset int64, value int) error {
|
|
return s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
_, err = conn.SetBit(key, offset, value).Result()
|
|
return err
|
|
}, acceptable)
|
|
}
|
|
|
|
// Sscan is the implementation of redis sscan command.
|
|
func (s *Redis) Sscan(key string, cursor uint64, match string, count int64) (keys []string, cur uint64, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
keys, cur, err = conn.SScan(key, cursor, match, count).Result()
|
|
return err
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Scard is the implementation of redis scard command.
|
|
func (s *Redis) Scard(key string) (val int64, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val, err = conn.SCard(key).Result()
|
|
return err
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// ScriptLoad is the implementation of redis script load command.
|
|
func (s *Redis) ScriptLoad(script string) (string, error) {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
return conn.ScriptLoad(script).Result()
|
|
}
|
|
|
|
// Set is the implementation of redis set command.
|
|
func (s *Redis) Set(key, value string) error {
|
|
return s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
return conn.Set(key, value, 0).Err()
|
|
}, acceptable)
|
|
}
|
|
|
|
// Setex is the implementation of redis setex command.
|
|
func (s *Redis) Setex(key, value string, seconds int) error {
|
|
return s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
return conn.Set(key, value, time.Duration(seconds)*time.Second).Err()
|
|
}, acceptable)
|
|
}
|
|
|
|
// Setnx is the implementation of redis setnx command.
|
|
func (s *Redis) Setnx(key, value string) (val bool, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val, err = conn.SetNX(key, value, 0).Result()
|
|
return err
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// SetnxEx is the implementation of redis setnx command with expire.
|
|
func (s *Redis) SetnxEx(key, value string, seconds int) (val bool, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val, err = conn.SetNX(key, value, time.Duration(seconds)*time.Second).Result()
|
|
return err
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Sismember is the implementation of redis sismember command.
|
|
func (s *Redis) Sismember(key string, value interface{}) (val bool, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val, err = conn.SIsMember(key, value).Result()
|
|
return err
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Smembers is the implementation of redis smembers command.
|
|
func (s *Redis) Smembers(key string) (val []string, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val, err = conn.SMembers(key).Result()
|
|
return err
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Spop is the implementation of redis spop command.
|
|
func (s *Redis) Spop(key string) (val string, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val, err = conn.SPop(key).Result()
|
|
return err
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Srandmember is the implementation of redis srandmember command.
|
|
func (s *Redis) Srandmember(key string, count int) (val []string, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val, err = conn.SRandMemberN(key, int64(count)).Result()
|
|
return err
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Srem is the implementation of redis srem command.
|
|
func (s *Redis) Srem(key string, values ...interface{}) (val int, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
v, err := conn.SRem(key, values...).Result()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val = int(v)
|
|
return nil
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// String returns the string representation of s.
|
|
func (s *Redis) String() string {
|
|
return s.Addr
|
|
}
|
|
|
|
// Sunion is the implementation of redis sunion command.
|
|
func (s *Redis) Sunion(keys ...string) (val []string, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val, err = conn.SUnion(keys...).Result()
|
|
return err
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Sunionstore is the implementation of redis sunionstore command.
|
|
func (s *Redis) Sunionstore(destination string, keys ...string) (val int, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
v, err := conn.SUnionStore(destination, keys...).Result()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val = int(v)
|
|
return nil
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Sdiff is the implementation of redis sdiff command.
|
|
func (s *Redis) Sdiff(keys ...string) (val []string, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val, err = conn.SDiff(keys...).Result()
|
|
return err
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Sdiffstore is the implementation of redis sdiffstore command.
|
|
func (s *Redis) Sdiffstore(destination string, keys ...string) (val int, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
v, err := conn.SDiffStore(destination, keys...).Result()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val = int(v)
|
|
return nil
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Sinter is the implementation of redis sinter command.
|
|
func (s *Redis) Sinter(keys ...string) (val []string, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val, err = conn.SInter(keys...).Result()
|
|
return err
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Sinterstore is the implementation of redis sinterstore command.
|
|
func (s *Redis) Sinterstore(destination string, keys ...string) (val int, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
v, err := conn.SInterStore(destination, keys...).Result()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val = int(v)
|
|
return nil
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Ttl is the implementation of redis ttl command.
|
|
func (s *Redis) Ttl(key string) (val int, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
duration, err := conn.TTL(key).Result()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val = int(duration / time.Second)
|
|
return nil
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Zadd is the implementation of redis zadd command.
|
|
func (s *Redis) Zadd(key string, score int64, value string) (val bool, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
v, err := conn.ZAdd(key, red.Z{
|
|
Score: float64(score),
|
|
Member: value,
|
|
}).Result()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val = v == 1
|
|
return nil
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Zadds is the implementation of redis zadds command.
|
|
func (s *Redis) Zadds(key string, ps ...Pair) (val int64, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
var zs []red.Z
|
|
for _, p := range ps {
|
|
z := red.Z{Score: float64(p.Score), Member: p.Key}
|
|
zs = append(zs, z)
|
|
}
|
|
|
|
v, err := conn.ZAdd(key, zs...).Result()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val = v
|
|
return nil
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Zcard is the implementation of redis zcard command.
|
|
func (s *Redis) Zcard(key string) (val int, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
v, err := conn.ZCard(key).Result()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val = int(v)
|
|
return nil
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Zcount is the implementation of redis zcount command.
|
|
func (s *Redis) Zcount(key string, start, stop int64) (val int, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
v, err := conn.ZCount(key, strconv.FormatInt(start, 10), strconv.FormatInt(stop, 10)).Result()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val = int(v)
|
|
return nil
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Zincrby is the implementation of redis zincrby command.
|
|
func (s *Redis) Zincrby(key string, increment int64, field string) (val int64, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
v, err := conn.ZIncrBy(key, float64(increment), field).Result()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val = int64(v)
|
|
return nil
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Zscore is the implementation of redis zscore command.
|
|
func (s *Redis) Zscore(key, value string) (val int64, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
v, err := conn.ZScore(key, value).Result()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val = int64(v)
|
|
return nil
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Zrank is the implementation of redis zrank command.
|
|
func (s *Redis) Zrank(key, field string) (val int64, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val, err = conn.ZRank(key, field).Result()
|
|
return err
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Zrem is the implementation of redis zrem command.
|
|
func (s *Redis) Zrem(key string, values ...interface{}) (val int, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
v, err := conn.ZRem(key, values...).Result()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val = int(v)
|
|
return nil
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Zremrangebyscore is the implementation of redis zremrangebyscore command.
|
|
func (s *Redis) Zremrangebyscore(key string, start, stop int64) (val int, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
v, err := conn.ZRemRangeByScore(key, strconv.FormatInt(start, 10),
|
|
strconv.FormatInt(stop, 10)).Result()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val = int(v)
|
|
return nil
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Zremrangebyrank is the implementation of redis zremrangebyrank command.
|
|
func (s *Redis) Zremrangebyrank(key string, start, stop int64) (val int, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
v, err := conn.ZRemRangeByRank(key, start, stop).Result()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val = int(v)
|
|
return nil
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Zrange is the implementation of redis zrange command.
|
|
func (s *Redis) Zrange(key string, start, stop int64) (val []string, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val, err = conn.ZRange(key, start, stop).Result()
|
|
return err
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// ZrangeWithScores is the implementation of redis zrange command with scores.
|
|
func (s *Redis) ZrangeWithScores(key string, start, stop int64) (val []Pair, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
v, err := conn.ZRangeWithScores(key, start, stop).Result()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val = toPairs(v)
|
|
return nil
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// ZRevRangeWithScores is the implementation of redis zrevrange command with scores.
|
|
func (s *Redis) ZRevRangeWithScores(key string, start, stop int64) (val []Pair, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
v, err := conn.ZRevRangeWithScores(key, start, stop).Result()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val = toPairs(v)
|
|
return nil
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// ZrangebyscoreWithScores is the implementation of redis zrangebyscore command with scores.
|
|
func (s *Redis) ZrangebyscoreWithScores(key string, start, stop int64) (val []Pair, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
v, err := conn.ZRangeByScoreWithScores(key, red.ZRangeBy{
|
|
Min: strconv.FormatInt(start, 10),
|
|
Max: strconv.FormatInt(stop, 10),
|
|
}).Result()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val = toPairs(v)
|
|
return nil
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// ZrangebyscoreWithScoresAndLimit is the implementation of redis zrangebyscore command with scores and limit.
|
|
func (s *Redis) ZrangebyscoreWithScoresAndLimit(key string, start, stop int64, page, size int) (
|
|
val []Pair, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
if size <= 0 {
|
|
return nil
|
|
}
|
|
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
v, err := conn.ZRangeByScoreWithScores(key, red.ZRangeBy{
|
|
Min: strconv.FormatInt(start, 10),
|
|
Max: strconv.FormatInt(stop, 10),
|
|
Offset: int64(page * size),
|
|
Count: int64(size),
|
|
}).Result()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val = toPairs(v)
|
|
return nil
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Zrevrange is the implementation of redis zrevrange command.
|
|
func (s *Redis) Zrevrange(key string, start, stop int64) (val []string, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val, err = conn.ZRevRange(key, start, stop).Result()
|
|
return err
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// ZrevrangebyscoreWithScores is the implementation of redis zrevrangebyscore command with scores.
|
|
func (s *Redis) ZrevrangebyscoreWithScores(key string, start, stop int64) (val []Pair, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
v, err := conn.ZRevRangeByScoreWithScores(key, red.ZRangeBy{
|
|
Min: strconv.FormatInt(start, 10),
|
|
Max: strconv.FormatInt(stop, 10),
|
|
}).Result()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val = toPairs(v)
|
|
return nil
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// ZrevrangebyscoreWithScoresAndLimit is the implementation of redis zrevrangebyscore command with scores and limit.
|
|
func (s *Redis) ZrevrangebyscoreWithScoresAndLimit(key string, start, stop int64, page, size int) (
|
|
val []Pair, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
if size <= 0 {
|
|
return nil
|
|
}
|
|
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
v, err := conn.ZRevRangeByScoreWithScores(key, red.ZRangeBy{
|
|
Min: strconv.FormatInt(start, 10),
|
|
Max: strconv.FormatInt(stop, 10),
|
|
Offset: int64(page * size),
|
|
Count: int64(size),
|
|
}).Result()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val = toPairs(v)
|
|
return nil
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Zrevrank is the implementation of redis zrevrank command.
|
|
func (s *Redis) Zrevrank(key, field string) (val int64, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val, err = conn.ZRevRank(key, field).Result()
|
|
return err
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Zunionstore is the implementation of redis zunionstore command.
|
|
func (s *Redis) Zunionstore(dest string, store ZStore, keys ...string) (val int64, err error) {
|
|
err = s.brk.DoWithAcceptable(func() error {
|
|
conn, err := getRedis(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
val, err = conn.ZUnionStore(dest, store, keys...).Result()
|
|
return err
|
|
}, acceptable)
|
|
|
|
return
|
|
}
|
|
|
|
// Cluster customizes the given Redis as a cluster.
|
|
func Cluster() Option {
|
|
return func(r *Redis) {
|
|
r.Type = ClusterType
|
|
}
|
|
}
|
|
|
|
// SetSlowThreshold sets the slow threshold.
|
|
func SetSlowThreshold(threshold time.Duration) {
|
|
slowThreshold.Set(threshold)
|
|
}
|
|
|
|
// WithPass customizes the given Redis with given password.
|
|
func WithPass(pass string) Option {
|
|
return func(r *Redis) {
|
|
r.Pass = pass
|
|
}
|
|
}
|
|
|
|
// WithTLS customizes the given Redis with TLS enabled.
|
|
func WithTLS() Option {
|
|
return func(r *Redis) {
|
|
r.tls = true
|
|
}
|
|
}
|
|
|
|
func acceptable(err error) bool {
|
|
return err == nil || err == red.Nil
|
|
}
|
|
|
|
func getRedis(r *Redis) (RedisNode, error) {
|
|
switch r.Type {
|
|
case ClusterType:
|
|
return getCluster(r)
|
|
case NodeType:
|
|
return getClient(r)
|
|
default:
|
|
return nil, fmt.Errorf("redis type '%s' is not supported", r.Type)
|
|
}
|
|
}
|
|
|
|
func toPairs(vals []red.Z) []Pair {
|
|
pairs := make([]Pair, len(vals))
|
|
for i, val := range vals {
|
|
switch member := val.Member.(type) {
|
|
case string:
|
|
pairs[i] = Pair{
|
|
Key: member,
|
|
Score: int64(val.Score),
|
|
}
|
|
default:
|
|
pairs[i] = Pair{
|
|
Key: mapping.Repr(val.Member),
|
|
Score: int64(val.Score),
|
|
}
|
|
}
|
|
}
|
|
return pairs
|
|
}
|
|
|
|
func toStrings(vals []interface{}) []string {
|
|
ret := make([]string, len(vals))
|
|
for i, val := range vals {
|
|
if val == nil {
|
|
ret[i] = ""
|
|
} else {
|
|
switch val := val.(type) {
|
|
case string:
|
|
ret[i] = val
|
|
default:
|
|
ret[i] = mapping.Repr(val)
|
|
}
|
|
}
|
|
}
|
|
return ret
|
|
}
|