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coward
parent
8dd264de76
commit
1996f736b8
233
cache.go
233
cache.go
@ -2,6 +2,7 @@ package rds_cache_go
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import (
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"context"
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"errors"
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"fmt"
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"github.com/go-redis/redis/v8"
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"time"
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@ -60,9 +61,9 @@ type Cache interface {
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// Exist 判断某个缓存是否存在
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Exist(key string) bool
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// Get 获取某个缓存的值
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Get(key string) interface{}
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Get(key string) (interface{}, error)
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// Delete 删除指定缓存
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Delete(keys ...string) int64
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Delete(keys ...string) (int64, error)
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// HPut hash put
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HPut(key string, value ...interface{}) error
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// HMPut hash put 兼容redis v3
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@ -70,25 +71,25 @@ type Cache interface {
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// HKeyExist 判断hash表中的key是否存在
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HKeyExist(key, field string) bool
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// HGet 获取hash表中指定field的值
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HGet(key, field string) interface{}
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HGet(key, field string) (interface{}, error)
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// HGetAll 获取hash表中的全部值
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HGetAll(key string) map[string]string
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HGetAll(key string) (map[string]string, error)
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// HGetKeyAll 获取hash表中的全部key
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HGetKeyAll(key string) []string
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HGetKeyAll(key string) ([]string, error)
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// HIncrBy 为哈希表 key 中的指定字段的整数值加上增量 increment 。
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HIncrBy(key, field string, incr int64) int64
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HIncrBy(key, field string, incr int64) (int64, error)
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// HFloatIncrBy 为哈希表 key 中的指定字段的浮点数值加上增量 increment 。
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HFloatIncrBy(key, field string, incr float64) float64
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HFloatIncrBy(key, field string, incr float64) (float64, error)
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// HGetValAll 获取hash表中全部的value值
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HGetValAll(key string) []string
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HGetValAll(key string) ([]string, error)
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// HDelete 删除hash表中一个或多个字段
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HDelete(key string, fields ...string) int64
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HDelete(key string, fields ...string) (int64, error)
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}
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// @method NewCache
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// @description: 初始化一个cache对象
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// @param opts ...Option
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// @return Cache
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// @method NewCache
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// @description: 初始化一个cache对象
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// @param opts ...Option
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// @return Cache
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func NewCache(opts ...Option) Cache {
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cha := new(config)
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@ -124,13 +125,13 @@ type cache struct {
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ctx context.Context
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}
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// @method Put
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// @description: 放入缓存
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// @receiver c
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// @param key string key
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// @param value interface{} 值
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// @param ttl time.Duration 过期时间
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// @return error
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// @method Put
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// @description: 放入缓存
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// @receiver c
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// @param key string key
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// @param value interface{} 值
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// @param ttl time.Duration 过期时间
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// @return error
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func (c *cache) Put(key string, value interface{}, ttl time.Duration) error {
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_, err := c.client.Set(c.ctx, key, value, TTL(ttl)).Result()
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@ -141,11 +142,11 @@ func (c *cache) Put(key string, value interface{}, ttl time.Duration) error {
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return nil
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}
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// @method Exist
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// @description: 判断指定缓存是否存在
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// @receiver c
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// @param key string 缓存key
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// @return bool
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// @method Exist
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// @description: 判断指定缓存是否存在
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// @receiver c
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// @param key string 缓存key
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// @return bool
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func (c *cache) Exist(key string) bool {
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result, err := c.client.Exists(c.ctx, key).Result()
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if err != nil {
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@ -159,65 +160,65 @@ func (c *cache) Exist(key string) bool {
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return true
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}
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// @method Get
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// @description: 获取指定缓存
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// @receiver c
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// @param key string 缓存key
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// @return interface{}
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func (c *cache) Get(key string) interface{} {
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// @method Get
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// @description: 获取指定缓存
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// @receiver c
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// @param key string 缓存key
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// @return interface{}
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func (c *cache) Get(key string) (interface{}, error) {
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result, err := c.client.Get(c.ctx, key).Result()
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if err != nil {
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panic("get cache by " + key + " failed: " + err.Error())
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return nil, errors.New("NOT FOUND " + key)
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}
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return result
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return result, nil
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}
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// @method Delete
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// @description: 删除指定缓存
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// @receiver c
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// @param keys ...string
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// @return int
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func (c *cache) Delete(keys ...string) int64 {
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// @method Delete
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// @description: 删除指定缓存
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// @receiver c
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// @param keys ...string
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// @return int
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func (c *cache) Delete(keys ...string) (int64, error) {
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result, err := c.client.Del(c.ctx, keys...).Result()
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if err != nil {
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panic("delete cache failed: " + err.Error())
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return 0, errors.New("DELETE CACHE FAILED " + err.Error())
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}
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return result
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return result, nil
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}
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// @method HPut
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// @description: hash put
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// @receiver c
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// @param key string
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// @param value ...interface{}
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// @return error
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// @method HPut
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// @description: hash put
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// @receiver c
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// @param key string
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// @param value ...interface{}
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// @return error
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func (c *cache) HPut(key string, value ...interface{}) error {
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_, err := c.client.HSet(c.ctx, key, value...).Result()
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return err
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}
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// @method HMPut
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// @description: hash put 用来兼容redis v3
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// @receiver c
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// @param key string
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// @param value interface{}
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// @return error
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// @method HMPut
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// @description: hash put 用来兼容redis v3
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// @receiver c
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// @param key string
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// @param value interface{}
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// @return error
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func (c *cache) HMPut(key string, value ...interface{}) error {
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_, err := c.client.HMSet(c.ctx, key, value).Result()
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return err
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}
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// @method HKeyExist
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// @description: 判断hash表中的key是否存在
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// @receiver c
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// @param key string
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// @return bool
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// @method HKeyExist
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// @description: 判断hash表中的key是否存在
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// @receiver c
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// @param key string
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// @return bool
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func (c *cache) HKeyExist(key, field string) bool {
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result, err := c.client.HExists(c.ctx, key, field).Result()
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@ -229,109 +230,109 @@ func (c *cache) HKeyExist(key, field string) bool {
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}
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// @method HGet
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// @description: 获取hash表中指定key，field的值
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// @receiver c
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// @param key string
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// @param field string
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// @return interface{}
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func (c *cache) HGet(key, field string) interface{} {
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// @method HGet
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// @description: 获取hash表中指定key，field的值
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// @receiver c
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// @param key string
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// @param field string
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// @return interface{}
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func (c *cache) HGet(key, field string) (interface{}, error) {
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result, err := c.client.HGet(c.ctx, key, field).Result()
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if err != nil {
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panic("get key : " + key + " from hash filed: " + field + " failed: " + err.Error())
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return nil, errors.New("GET HASH CACHE FAILED " + err.Error())
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}
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return result
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return result, nil
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}
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// @method HGetAll
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// @description: 获取hash表中的全部数据
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// @receiver c
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// @param key string
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// @return interface{}
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func (c *cache) HGetAll(key string) map[string]string {
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// @method HGetAll
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// @description: 获取hash表中的全部数据
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// @receiver c
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// @param key string
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// @return interface{}
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func (c *cache) HGetAll(key string) (map[string]string, error) {
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result, err := c.client.HGetAll(c.ctx, key).Result()
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if err != nil {
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panic("get hash by key: " + key + " failed: " + err.Error())
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return nil, errors.New("GET HASH CACHE ALL FAILED " + err.Error())
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}
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return result
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return result, nil
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}
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// @method HGetKeyAll
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// @description: 获取hash表中的全部key
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// @receiver c
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// @param key string
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func (c *cache) HGetKeyAll(key string) []string {
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// @method HGetKeyAll
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// @description: 获取hash表中的全部key
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// @receiver c
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// @param key string
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func (c *cache) HGetKeyAll(key string) ([]string, error) {
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result, err := c.client.HKeys(c.ctx, key).Result()
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if err != nil {
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panic("get hash all key failed :" + err.Error() + " by cache key :" + key)
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return nil, errors.New("get hash all key failed :" + err.Error() + " by cache key :" + key)
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}
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return result
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return result, nil
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}
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// @method HIncrBy
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// @description: 为哈希表 key 中的指定字段的整数值加上增量 increment
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// @receiver c
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// @param key string
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// @param field string
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// @param incr int64
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func (c *cache) HIncrBy(key, field string, incr int64) int64 {
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// @method HIncrBy
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// @description: 为哈希表 key 中的指定字段的整数值加上增量 increment
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// @receiver c
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// @param key string
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// @param field string
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// @param incr int64
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func (c *cache) HIncrBy(key, field string, incr int64) (int64, error) {
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result, err := c.client.HIncrBy(c.ctx, key, field, incr).Result()
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if err != nil {
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panic("hash incr by failed: " + err.Error())
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return 0, errors.New("hash incr by failed: " + err.Error())
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}
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return result
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return result, nil
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}
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// @method HFloatIncrBy
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// @description: 为哈希表 key 中的指定字段的浮点数值加上增量 increment
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// @receiver c
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// @param key string
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// @param field string
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// @param incr float64
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// @return float64
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func (c *cache) HFloatIncrBy(key, field string, incr float64) float64 {
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// @method HFloatIncrBy
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// @description: 为哈希表 key 中的指定字段的浮点数值加上增量 increment
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// @receiver c
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// @param key string
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// @param field string
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// @param incr float64
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// @return float64
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func (c *cache) HFloatIncrBy(key, field string, incr float64) (float64, error) {
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result, err := c.client.HIncrByFloat(c.ctx, key, field, incr).Result()
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if err != nil {
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panic("hash incr float by failed: " + err.Error())
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return 0, errors.New("hash incr float by failed: " + err.Error())
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}
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return result
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return result, nil
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}
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// @method HGetValAll
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// @description: 获取hash表中全部的value 值
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// @receiver c
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// @param key string
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func (c *cache) HGetValAll(key string) []string {
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// @method HGetValAll
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// @description: 获取hash表中全部的value 值
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// @receiver c
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// @param key string
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func (c *cache) HGetValAll(key string) ([]string, error) {
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result, err := c.client.HVals(c.ctx, key).Result()
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if err != nil {
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panic("get hash all value failed: " + err.Error())
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return nil, errors.New("get hash all value failed: " + err.Error())
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}
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return result
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return result, nil
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}
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// @method HDelete
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// @description: 删除hash表中一个或多个字段
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// @receiver c
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// @param key string
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// @param fields ...string
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func (c *cache) HDelete(key string, fields ...string) int64 {
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// @method HDelete
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// @description: 删除hash表中一个或多个字段
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// @receiver c
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// @param key string
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// @param fields ...string
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func (c *cache) HDelete(key string, fields ...string) (int64, error) {
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result, err := c.client.HDel(c.ctx, key, fields...).Result()
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if err != nil {
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panic("delete hash filed failed: " + err.Error())
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return 0, errors.New("delete hash filed failed: " + err.Error())
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}
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return result
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return result, nil
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}
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3
go.mod
3
go.mod
@ -2,8 +2,9 @@ module github.com/cowardmrx/rds_cache_go
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go 1.17
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require github.com/go-redis/redis/v8 v8.11.4
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require (
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github.com/cespare/xxhash/v2 v2.1.2 // indirect
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github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
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github.com/go-redis/redis/v8 v8.11.4 // indirect
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)
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