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acl/lib_acl_cpp/include/acl_cpp/redis/redis_string.hpp

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format code style
2020-05-09 23:31:44 +08:00
#pragma once
#include "../acl_cpp_define.hpp"
#include <map>
#include <vector>
#include "redis_command.hpp"
#if !defined(ACL_CLIENT_ONLY) && !defined(ACL_REDIS_DISABLE)
namespace acl
{
/**
* <EFBFBD><EFBFBD><EFBFBD>е<EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD><EFBFBD>
* all the commands in redis Strings are be implemented.
*/
class ACL_CPP_API redis_string : virtual public redis_command
{
public:
/**
* see redis_command::redis_command()
*/
redis_string(void);
/**
* see redis_command::redis_command(redis_client*)
*/
redis_string(redis_client* conn);
/**
rewrite redis_client_cluster/redis_command classes.
2020-07-20 11:21:47 +08:00
* see redis_command::redis_command(redis_client_cluster*)
format code style
2020-05-09 23:31:44 +08:00
*/
rewrite redis_client_cluster/redis_command classes.
2020-07-20 11:21:47 +08:00
redis_string(redis_client_cluster* cluster);
add redis_client_pipeline in all redis commands
2021-01-09 23:16:15 +08:00
redis_string(redis_client_pipeline* pipeline);
rewrite redis_client_cluster/redis_command classes.
2020-07-20 11:21:47 +08:00
ACL_CPP_DEPRECATED
redis_string(redis_client_cluster* cluster, size_t max_conns);
format code style
2020-05-09 23:31:44 +08:00
virtual ~redis_string(void);
/////////////////////////////////////////////////////////////////////
/**
* <EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>ֵ value <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key
* set the string value of a key
* @param key {const char*} <EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key
* the key of a string
* @param value {const char*} <EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> value
* the value of a string
* @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> false <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* true if SET was executed correctly, false if error happened or
* the key's object isn't a string.
*/
bool set(const char* key, const char* value);
bool set(const char* key, size_t key_len,
const char* value, size_t value_len);
#define SETFLAG_EX 0x02
#define SETFLAG_PX 0x03
#define SETFLAG_NX 0x08
#define SETFLAG_XX 0x0C
/**
* <EFBFBD><EFBFBD> Redis 2.6.12 <EFBFBD>汾<EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD> SET <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><EFBFBD>һϵ<EFBFBD>в<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>޸ģ<EFBFBD>
* EX seconds <EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĺ<EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ seconds <EFBFBD>롣 ִ<EFBFBD><EFBFBD> SET key value
* EX seconds <EFBFBD><EFBFBD>Ч<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬ<EFBFBD><EFBFBD>ִ<EFBFBD><EFBFBD> SETEX key seconds value <EFBFBD><EFBFBD>
* PX milliseconds <EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĺ<EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ milliseconds <EFBFBD><EFBFBD><EFBFBD>롣
* ִ<EFBFBD><EFBFBD> SET key value PX milliseconds <EFBFBD><EFBFBD>Ч<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬ<EFBFBD><EFBFBD>ִ<EFBFBD><EFBFBD>
* PSETEX key milliseconds value <EFBFBD><EFBFBD>
* NX <EFBFBD><EFBFBD>ֻ<EFBFBD>ڼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD>ŶԼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ò<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD><EFBFBD> SET key value NX <EFBFBD><EFBFBD>
* Ч<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬ<EFBFBD><EFBFBD>ִ<EFBFBD><EFBFBD> SETNX key value <EFBFBD><EFBFBD>
* XX <EFBFBD><EFBFBD>ֻ<EFBFBD>ڼ<EFBFBD><EFBFBD>Ѿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD> <EFBFBD>ŶԼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ò<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @Note <EFBFBD><EFBFBD>Ϊ SET <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD><EFBFBD> SETNX <EFBFBD><EFBFBD> SETEX <EFBFBD>Լ<EFBFBD> PSETEX
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ч<EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD> Redis <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>İ汾<EFBFBD><EFBFBD><EFBFBD>ܻ<EFBFBD><EFBFBD>Ƴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> SETNX <EFBFBD><EFBFBD> SETEX
* <EFBFBD><EFBFBD> PSETEX <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @param key {const char*} <EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key
* the key of a string
* @param value {const char*} <EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> value
* the value of a string
* @param timeout {int} <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>λΪ<EFBFBD><EFBFBD>(EX)/<EFBFBD><EFBFBD><EFBFBD><EFBFBD>(PX)
* the timeout in seconds of a string
* @param flag {int} <EFBFBD><EFBFBD><EFBFBD>ǣ<EFBFBD>EX/PX | NX/XX
* the flag of a string
* @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> false <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* true if SET was executed correctly, false if error happened or
* the key's object isn't a string.
*/
bool set(const char* key, const char* value, int timeout, int flag);
bool set(const char* key, size_t key_len, const char* value,
size_t value_len, int timeout, int flag);
/**
* <EFBFBD><EFBFBD>ֵ value <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ timeout (<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD>λ)<EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD> key <EFBFBD>Ѿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڣ<EFBFBD> SETEX <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><EFBFBD>ֵ
* set key to hold the strnig value, and set key to timeout after
* a given number of seconds.
* @param key {const char*} <EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key
* the key of a string
* @param value {const char*} <EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> value
* the value of a string
* @param timeout {int} <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>λΪ<EFBFBD><EFBFBD>
* the timeout in seconds of a string
* @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> false <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* true if SETEX was executed correctly, false if error happened
* or the object specified by the key is not a string
*/
bool setex(const char* key, const char* value, int timeout);
bool setex(const char* key, size_t key_len, const char* value,
size_t value_len, int timeout);
/**
* <EFBFBD><EFBFBD>ֵ value <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ timeout (<EFBFBD>Ժ<EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD>λ)<EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD> key <EFBFBD>Ѿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڣ<EFBFBD> SETEX <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><EFBFBD>ֵ
* set key to hold the string value, and set key to timeout after
* a given number of milliseconds.
* @param key {const char*} <EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key
* the key of a string
* @param value {const char*} <EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> value
* the value of a string
* @param timeout {int} <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>λΪ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* the timeout in milliseconds of a string
* @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> false <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* true if SETEX was executed correctly, false if error happened
* or the object specified by the key is not a string
*/
bool psetex(const char* key, const char* value, int timeout);
bool psetex(const char* key, size_t key_len, const char* value,
size_t value_len, int timeout);
/**
* <EFBFBD><EFBFBD> key <EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>Ϊ value <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҽ<EFBFBD><EFBFBD><EFBFBD> key <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key <EFBFBD>Ѿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڣ<EFBFBD>
* <EFBFBD><EFBFBD> SETNX <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>κζ<EFBFBD><EFBFBD><EFBFBD>
* set the value of a key, only if the key does not exist.
* @param key {const char*} <EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key
* the key of the string
* @param value {const char*} <EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> value
* the value of the string
* @return {int} <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>£<EFBFBD>
* return the value as below:
* -1<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key <EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* error happened or the object by the key isn't a string
* 0<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key <EFBFBD>Ķ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* the string of the key already exists
* 1<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӳɹ<EFBFBD>
* the command was executed correctly
*/
int setnx(const char* key, const char* value);
int setnx(const char* key, size_t key_len,
const char* value, size_t value_len);
/**
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD> key <EFBFBD>Ѿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> APPEND <EFBFBD><EFBFBD><EFBFBD> value ׷<EFBFBD>ӵ<EFBFBD> key ԭ<EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>ĩβ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڣ<EFBFBD> APPEND <EFBFBD>ͼ򵥵ؽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key <EFBFBD><EFBFBD>Ϊ value
* append a value to a key
* @param key {const char*} <EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key
* the key of a string
* @param value {const char*} <EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ
* the value to be appended to a key
* @return {int} <EFBFBD><EFBFBD><EFBFBD>ص<EFBFBD>ǰ<EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ij<EFBFBD><EFBFBD>ȣ<EFBFBD>-1 <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key <EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* return the length of the string after appending, -1 if error
* happened or the key's object isn't a string
*/
int append(const char* key, const char* value);
int append(const char* key, const char* value, size_t size);
/**
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD> key <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>ֵ
* get the value of a key
* @param key {const char*} <EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key
* the key of a string
* @param buf {string&} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>洢<EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> true <EFBFBD><EFBFBD>
* <EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD>Ӧ key <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* store the value of a key after GET executed correctly, key not
* exist if the buf is empty when return true
* @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> false <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key <EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* if the GET was executed correctly, false if error happened or
* is is not a string of the key
*/
bool get(const char* key, size_t len, string& buf);
bool get(const char* key, string& buf);
/**
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD> key <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ص<EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD>Ƚϴ<EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƭ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD><EFBFBD>г<EFBFBD>һЩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD>ڴ棬ʹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD>ݷ<EFBFBD><EFBFBD>صĽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Խ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݽ<EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD>װ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ե<EFBFBD><EFBFBD>ã<EFBFBD> redis_result::get(size_t, size_t*) <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ij<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* Ƭ<EFBFBD><EFBFBD>Ƭ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> redis_result::get_size() <EFBFBD><EFBFBD><EFBFBD>÷<EFBFBD>Ƭ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ij<EFBFBD><EFBFBD><EFBFBD>
* @param key {const char*} <EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key
* @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> false <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key <EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*/
const redis_result* get(const char* key);
const redis_result* get(const char* key, size_t len);
/**
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key <EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>Ϊ value <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key <EFBFBD>ľ<EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD> key <EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* set the string value of a key and and return its old value
* @param key {const char*} <EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key
* the key of string
* @param value {const char*} <EFBFBD>趨<EFBFBD><EFBFBD><EFBFBD>µĶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ
* the new string value of the key
* @param buf {string&} <EFBFBD>洢<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ľɵ<EFBFBD>ֵ
* store the old string value of the key
* @return {bool} <EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD>
* if GETSET was executed correctly.
*/
bool getset(const char* key, const char* value, string& buf);
bool getset(const char* key, size_t key_len, const char* value,
size_t value_len, string& buf);
/////////////////////////////////////////////////////////////////////
/**
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD> key <EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݳ<EFBFBD><EFBFBD><EFBFBD>
* get the length of value stored in a key
* @param key {const char*} <EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key
* the key of the string
* @return {int} <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>£<EFBFBD>
* return value as below:
* -1<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* error happened or the it isn't a string of the key
* 0<EFBFBD><EFBFBD><EFBFBD><EFBFBD> key <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* the key doesn't exist
* >0<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݵij<EFBFBD><EFBFBD><EFBFBD>
* the length of the value stored in a key
*/
int get_strlen(const char* key);
int get_strlen(const char* key, size_t key_len);
/**
* <EFBFBD><EFBFBD> value <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д(overwrite)<EFBFBD><EFBFBD><EFBFBD><EFBFBD> key <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD> offset <EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD> key <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>հ<EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* overwrite part of a string at key starting at the specified offset
* @param key {const char*} <EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key
* the key of a string
* @param offset {unsigned} ƫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼλ<EFBFBD>ã<EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݳ<EFBFBD><EFBFBD>ȣ<EFBFBD><EFBFBD><EFBFBD>ʱ
* <EFBFBD>Ǽ<EFBFBD><EFBFBD>Ŀն<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> \0 <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* the specified offset of the string
* @param value {const char*} <EFBFBD><EFBFBD><EFBFBD>ǵ<EFBFBD>ֵ
* the value to be set
* @return {int} <EFBFBD><EFBFBD>ǰ<EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݳ<EFBFBD><EFBFBD><EFBFBD>
* the length of the string after SETRANGE
*/
int setrange(const char* key, unsigned offset, const char* value);
int setrange(const char* key, size_t key_len, unsigned offset,
const char* value, size_t value_len);
/**
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD> key <EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ľ<EFBFBD>ȡ<EFBFBD><EFBFBD>Χ<EFBFBD><EFBFBD> start <EFBFBD><EFBFBD> end <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* (<EFBFBD><EFBFBD><EFBFBD><EFBFBD> start <EFBFBD><EFBFBD> end <EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
* get substring of the string stored at a key
* @param key {const char*} <EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key
* the key of string
* @param start {int} <EFBFBD><EFBFBD>ʼ<EFBFBD>±<EFBFBD>ֵ
* the starting offset of the string
* @param end {int} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>±<EFBFBD>ֵ
* the ending offset of the string
* @param buf {string&} <EFBFBD>ɹ<EFBFBD>ʱ<EFBFBD>洢<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* store the substring result
* @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD>
* if GETRANGE was executed correctly.
* ע<EFBFBD><EFBFBD><EFBFBD>±<EFBFBD>λ<EFBFBD>ÿ<EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>β<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǰ<EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> -1 <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>Ԫ<EFBFBD><EFBFBD>
*/
bool getrange(const char* key, int start, int end, string& buf);
bool getrange(const char* key, size_t key_len,
int start, int end, string& buf);
/////////////////////////////////////////////////////////////////////
/**
* <EFBFBD><EFBFBD> key <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD>ƫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵ<EFBFBD>λ(bit)<EFBFBD><EFBFBD>
* λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD> value <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 0 Ҳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 1
* set or clear the bit at offset in the string value stored at key
* @param key {const char*} <EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key
* the key of the string
* @param offset {unsigned} ָ<EFBFBD><EFBFBD>ƫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD>
* the offset at the string value
* @param bit {bool} Ϊ true <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD>ñ<EFBFBD>־λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>־λ
* set bit if true, or clear bit if false at the specified offset
* @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD>
* if the command was executed correctly
*/
bool setbit_(const char* key, unsigned offset, bool bit);
bool setbit_(const char* key, size_t len, unsigned offset, bool bit);
/**
* <EFBFBD><EFBFBD> key <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡָ<EFBFBD><EFBFBD>ƫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵ<EFBFBD>λ(bit)<EFBFBD><EFBFBD><EFBFBD><EFBFBD> offset <EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>ֵ
* <EFBFBD>ij<EFBFBD><EFBFBD>ȴ󣬻<EFBFBD><EFBFBD><EFBFBD> key <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 0
* get the bit at offset in the string value stored at key
* @param key {const char*} <EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key
* the key of the string
* @param offset {unsigned} ָ<EFBFBD><EFBFBD>ƫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD>
* the offset in the string value
* @param bit {int&} <EFBFBD>ɹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>洢ָ<EFBFBD><EFBFBD>λ<EFBFBD>õı<EFBFBD>־λ
* on success it will stored the bit at the specified offset
* @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> false <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key <EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* if the GETBIT was executed correctly, false if error happened,
* or the key doesn't store a string object
*/
bool getbit(const char* key, unsigned offset, int& bit);
bool getbit(const char* key, size_t len, unsigned offset, int& bit);
/**
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>У<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ 1 <EFBFBD>ı<EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD> start/end<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڽ<EFBFBD><EFBFBD><EFBFBD>
* count set bits in a string
* @param key {const char*} <EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key
* the key of a string
* @return {int} <EFBFBD><EFBFBD>־λΪ 1 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>-1 <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* the count of bits been set, -1 if error happened or it's not
* a string
*/
int bitcount(const char* key);
int bitcount(const char* key, size_t len);
int bitcount(const char* key, int start, int end);
int bitcount(const char* key, size_t len, int start, int end);
/**
* <EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key <EFBFBD><EFBFBD><EFBFBD>߼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>浽 destkey
* BITOP AND on multiple source keys and save the result to another key
* @param destkey {const char*} Ŀ<EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key
* the key storing the result
* @param keys Դ<EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>󼯺<EFBFBD>
* the source keys
* @return {int} <EFBFBD>洢<EFBFBD><EFBFBD>Ŀ<EFBFBD><EFBFBD> key <EFBFBD>е<EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ij<EFBFBD><EFBFBD><EFBFBD>
* the size of the string stored in the destination key, that is
* equal to the size of the longest input string
*/
int bitop_and(const char* destkey, const std::vector<string>& keys);
int bitop_and(const char* destkey, const std::vector<const char*>& keys);
int bitop_and(const char* destkey, const char* key, ...);
int bitop_and(const char* destkey, const char* keys[], size_t size);
/**
* <EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key <EFBFBD><EFBFBD><EFBFBD>߼<EFBFBD><EFBFBD>򣬲<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>浽 destkey
* BITOP OR on multiple source keys and save the result to another key
* @param destkey {const char*} Ŀ<EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key
* the destination key
* @param keys Դ<EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>󼯺<EFBFBD>
* the source keys
* @return {int}
* the size of the string stored in the destination key
*/
int bitop_or(const char* destkey, const std::vector<string>& keys);
int bitop_or(const char* destkey, const std::vector<const char*>& keys);
int bitop_or(const char* destkey, const char* key, ...);
int bitop_or(const char* destkey, const char* keys[], size_t size);
/**
* <EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key <EFBFBD><EFBFBD><EFBFBD>߼<EFBFBD><EFBFBD><EFBFBD><EFBFBD>򣬲<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>浽 destkey
* BITOP XOR on multiple source keys and save the result to another key
* @param destkey {const char*} Ŀ<EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key
* the destination key
* @param keys Դ<EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>󼯺<EFBFBD>
* the source keys
* @return {int}
* the size of the string stored in the destination key
*/
int bitop_xor(const char* destkey, const std::vector<string>& keys);
int bitop_xor(const char* destkey, const std::vector<const char*>& keys);
int bitop_xor(const char* destkey, const char* key, ...);
int bitop_xor(const char* destkey, const char* keys[], size_t size);
/////////////////////////////////////////////////////////////////////
/**
* ͬʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key-value <EFBFBD><EFBFBD>
* set multiple key-value pair
* @param objs key-value <EFBFBD>Լ<EFBFBD><EFBFBD><EFBFBD>
* the collection of multiple key-value pair
* @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD>
* if the command was executed correctly
*/
bool mset(const std::map<string, string>& objs);
bool mset(const std::vector<string>& keys,
const std::vector<string>& values);
bool mset(const char* keys[], const char* values[], size_t argc);
bool mset(const char* keys[], const size_t keys_len[],
const char* values[], const size_t values_len[], size_t argc);
/////////////////////////////////////////////////////////////////////
/**
* <EFBFBD><EFBFBD><EFBFBD>ҽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>и<EFBFBD><EFBFBD><EFBFBD> key <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱͬʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key-value <EFBFBD><EFBFBD>
* set multiple keys to multiple values only if none of the keys exist
* @param objs key-value <EFBFBD>Լ<EFBFBD><EFBFBD><EFBFBD>
* the collection of multile key-value pair
* @return {int} <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>£<EFBFBD>
* return value as below:
* -1<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* error happened or there were a object of not a string.
* 0<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD> key <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>Ѿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* none be set because some of the keys already exist
* 1<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӳɹ<EFBFBD>
* add ok.
*/
int msetnx(const std::map<string, string>& objs);
int msetnx(const std::vector<string>& keys,
const std::vector<string>& values);
int msetnx(const char* keys[], const char* values[], size_t argc);
int msetnx(const char* keys[], const size_t keys_len[],
const char* values[], const size_t values_len[], size_t argc);
/////////////////////////////////////////////////////////////////////
/**
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)<EFBFBD><EFBFBD><EFBFBD><EFBFBD> key <EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key <EFBFBD><EFBFBD><EFBFBD>棬<EFBFBD><EFBFBD>ij<EFBFBD><EFBFBD> key <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڣ<EFBFBD>
* <EFBFBD><EFBFBD>ô<EFBFBD><EFBFBD><EFBFBD><EFBFBD> key <EFBFBD><EFBFBD><EFBFBD>ؿմ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* get the values of the given keys
* @param keys {const std::vector<string>&} <EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD> key <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* the given keys
* @param out {std::vector<acl::string>*} <EFBFBD>ǿ<EFBFBD>ʱ<EFBFBD>洢<EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>飬
* <EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD> key Ҳ<EFBFBD><EFBFBD><EFBFBD>洢һ<EFBFBD><EFBFBD><EFBFBD>մ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* acl::string array storing the result. if one key not exists,
* a empty string "" will also be stored in the array.
* @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD>ַ<EFBFBD>ʽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD>
* if successul, one of below ways can be used to get the result:
*
* 1<EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD><EFBFBD>÷<EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǿյĴ洢<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD>ַ
* input the no-NULL result parameter when call hmget, when
* success, the result will store the values of the given fileds
*
* 2<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>෽<EFBFBD><EFBFBD> get_value <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD>±<EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* call redis_command::result_value with the specified subscript
*
* 3<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>෽<EFBFBD><EFBFBD> get_child <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD>±<EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD>ض<EFBFBD><EFBFBD><EFBFBD>(redis_result<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ȼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><EFBFBD>
* redis_result::argv_to_string <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* redis_result::argv_to_string <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* call redis_command::result_child with specified subscript to
* get redis_result object, then call redis_result::argv_to_string
* with above result to get the values of the give fileds
*
* 4<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>෽<EFBFBD><EFBFBD> get_result <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD>ܽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> redis_result<EFBFBD><EFBFBD>Ȼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><EFBFBD>
* redis_result::get_child <EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>Ԫ<EFBFBD>ض<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ȼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ 2 <EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD>
* <EFBFBD>ķ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ø<EFBFBD>Ԫ<EFBFBD>ص<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* call redis_command::get_result with the specified subscript to
* get redis_result object, and use redis_result::get_child to
* get one result object, then call redis_result::argv_to_string
* to get the value of one filed.
*
* 5<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>෽<EFBFBD><EFBFBD> get_children <EFBFBD><EFBFBD><EFBFBD>ý<EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><EFBFBD> redis_result <EFBFBD><EFBFBD>
* <EFBFBD>ķ<EFBFBD><EFBFBD><EFBFBD> argv_to_string <EFBFBD><EFBFBD>ÿһ<EFBFBD><EFBFBD>Ԫ<EFBFBD>ض<EFBFBD><EFBFBD><EFBFBD><EFBFBD>л<EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* use redis_command::get_children to get the redis_result array,
* then use redis_result::argv_to_string to get every value of
* the given fileds
*/
bool mget(const std::vector<string>& keys,
std::vector<string>* out = NULL);
bool mget(const std::vector<const char*>& keys,
std::vector<string>* out = NULL);
bool mget(std::vector<string>* result, const char* first_key, ...);
bool mget(const char* keys[], size_t argc,
std::vector<string>* out = NULL);
bool mget(const char* keys[], const size_t keys_len[], size_t argc,
std::vector<string>* out = NULL);
/////////////////////////////////////////////////////////////////////
/**
* <EFBFBD><EFBFBD> key <EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>һ
* 1<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڣ<EFBFBD><EFBFBD><EFBFBD>ô key <EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD>ȱ<EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>Ϊ 0 <EFBFBD><EFBFBD>Ȼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD><EFBFBD> INCR <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* 2<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>͵<EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD>ܱ<EFBFBD>ʾΪ<EFBFBD><EFBFBD><EFBFBD>֣<EFBFBD><EFBFBD><EFBFBD>ô<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* 3<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 64 λ(bit)<EFBFBD>з<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD>ʾ֮<EFBFBD><EFBFBD>
* increment the integer value of a key by one
* 1) if key not exists, the key's value will be set 0 and INCR
* 2) if key's value is not a number an error will be returned
* 3) the number is a 64 signed integer
* @param key {const char*} <EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key
* the given key
* @param result {long long int*} <EFBFBD>ǿ<EFBFBD>ʱ<EFBFBD>洢<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* store the result after INCR if it isn't NULL
* @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD>
* if the INCR was executed correctly
*/
bool incr(const char* key, long long int* result = NULL);
/**
* <EFBFBD><EFBFBD> key <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> increment
* 1<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڣ<EFBFBD><EFBFBD><EFBFBD>ô key <EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD>ȱ<EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>Ϊ 0 <EFBFBD><EFBFBD>Ȼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD><EFBFBD> INCRBY <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* 2<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>͵<EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD>ܱ<EFBFBD>ʾΪ<EFBFBD><EFBFBD><EFBFBD>֣<EFBFBD><EFBFBD><EFBFBD>ô<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* 3<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 64 λ(bit)<EFBFBD>з<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD>ʾ֮<EFBFBD><EFBFBD>
* increment the integer value of a key by a given amount
* 1) if key not exists, the key's value will be set 0 and INCRBY
* 2) if key's value is not a number an error will be returned
* 3) the number is a 64 signed integer
* @param key {const char*} <EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key
* the given key
* @param inc {long long int} <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ
* the given amount
* @param result {long long int*} <EFBFBD>ǿ<EFBFBD>ʱ<EFBFBD>洢<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* store the result after INCR if it isn't NULL
* @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD>
* if the INCRBY was executed correctly
*/
bool incrby(const char* key, long long int inc,
long long int* result = NULL);
/**
* Ϊ key <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD>ϸ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* 1) <EFBFBD><EFBFBD><EFBFBD><EFBFBD> key <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڣ<EFBFBD><EFBFBD><EFBFBD>ô INCRBYFLOAT <EFBFBD><EFBFBD><EFBFBD>Ƚ<EFBFBD> key <EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>Ϊ 0 <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD>мӷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* 2) <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD>гɹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ô key <EFBFBD><EFBFBD>ֵ<EFBFBD>ᱻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD>ִ<EFBFBD>мӷ<EFBFBD>֮<EFBFBD><EFBFBD><EFBFBD>ģ<EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><EFBFBD><EFBFBD>ظ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* 3) <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֻ<EFBFBD>ܱ<EFBFBD>ʾС<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĺ<EFBFBD>ʮ<EFBFBD><EFBFBD>λ
* increment the float value of a key by the given amount
* 1) if key not exists, the key's value will be set 0 and INCRBYFLOAT
* 2) if key's value is not a float an error will be returned
* @param key {const char*} <EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key
* the given key
* @param inc {double} <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ
* the given amount
* @param result {double*} <EFBFBD>ǿ<EFBFBD>ʱ<EFBFBD>洢<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* store the result after INCR if it isn't NULL
* @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD>
* if the INCRBYFLOAT was executed correctly
*/
bool incrbyfloat(const char* key, double inc, double* result = NULL);
/**
* <EFBFBD><EFBFBD> key <EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>һ
* 1) <EFBFBD><EFBFBD><EFBFBD><EFBFBD> key <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڣ<EFBFBD><EFBFBD><EFBFBD>ô key <EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD>ȱ<EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>Ϊ 0 <EFBFBD><EFBFBD>Ȼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD><EFBFBD> DECR <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* 2) <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>͵<EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD>ܱ<EFBFBD>ʾΪ<EFBFBD><EFBFBD><EFBFBD>֣<EFBFBD><EFBFBD><EFBFBD>ô<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* 3) <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 64 λ(bit)<EFBFBD>з<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD>ʾ֮<EFBFBD><EFBFBD>
* decrement the integer value of a key by one
* 1) if key not exists, the key's value will be set 0 and DECR
* 2) if key's value is not a number an error will be returned
* 3) the number is a 64 signed integer
* @param key {const char*} <EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key
* the given key
* @param result {long long int*} <EFBFBD>ǿ<EFBFBD>ʱ<EFBFBD>洢<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* store the result after INCR if it isn't NULL
* @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD>
* if the DECR was executed correctly
*/
bool decr(const char* key, long long int* result = NULL);
/**
* <EFBFBD><EFBFBD> key <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>ȥ<EFBFBD><EFBFBD><EFBFBD><EFBFBD> decrement
* 1) <EFBFBD><EFBFBD><EFBFBD><EFBFBD> key <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڣ<EFBFBD><EFBFBD><EFBFBD>ô key <EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD>ȱ<EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>Ϊ 0 <EFBFBD><EFBFBD>Ȼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD><EFBFBD> DECRBY <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* 2) <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>͵<EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD>ܱ<EFBFBD>ʾΪ<EFBFBD><EFBFBD><EFBFBD>֣<EFBFBD><EFBFBD><EFBFBD>ô<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* 3) <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 64 λ(bit)<EFBFBD>з<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD>ʾ֮<EFBFBD><EFBFBD>
* decrement the integer value of a key by the given amount
* @param key {const char*} <EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> key
* the given key
* @param dec {long long int} <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ
* the given amount
* @param result {long long int*} <EFBFBD>ǿ<EFBFBD>ʱ<EFBFBD>洢<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* store the result after INCR if it isn't NULL
* @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD>
* if the DECRBY was executed correctly
*/
bool decrby(const char* key, long long int dec,
long long int* result = NULL);
private:
int bitop(const char* op, const char* destkey,
const std::vector<string>& keys);
int bitop(const char* op, const char* destkey,
const std::vector<const char*>& keys);
int bitop(const char* op, const char* destkey,
const char* keys[], size_t size);
bool incoper(const char* cmd, const char* key, long long int* inc,
long long int* result);
};
} // namespace acl
#endif // !defined(ACL_CLIENT_ONLY) && !defined(ACL_REDIS_DISABLE)
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