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acl/lib_acl_cpp/include/acl_cpp/db/db_handle.hpp

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整理了一些文件格式
2014-11-19 00:25:21 +08:00
#pragma once
#include "acl_cpp/acl_cpp_define.hpp"
#include <vector>
#include "acl_cpp/stdlib/string.hpp"
namespace acl {
/**
* <EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD><EFBFBD><EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>м<EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD>Ͷ<EFBFBD><EFBFBD><EFBFBD>
*/
class ACL_CPP_API db_row
{
public:
/**
* <EFBFBD><EFBFBD><EFBFBD>캯<EFBFBD><EFBFBD>
* @param names {const std::vector<const char*>&} <EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD>
*/
db_row(const std::vector<const char*>& names);
~db_row();
/**
* ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݱ<EFBFBD><EFBFBD>е<EFBFBD>ij<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>±<EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD><EFBFBD><EFBFBD>
* @param ifield {size_t} <EFBFBD>±<EFBFBD>ֵ
* @return {const char*} <EFBFBD><EFBFBD><EFBFBD>ؿ<EFBFBD>˵<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>±<EFBFBD>ֵԽ<EFBFBD><EFBFBD>
*/
const char* field_name(size_t ifield) const;
/**
* <EFBFBD>Ӳ<EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD>и<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD>ֵ
* @param name {const char*} <EFBFBD><EFBFBD><EFBFBD>ݱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD><EFBFBD><EFBFBD>
* @return {const char*} <EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD>ֵ<EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD>ֶ<EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڻ<EFBFBD>
* <EFBFBD>ֶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD>
*/
const char* field_value(const char* name) const;
/**
* <EFBFBD>Ӳ<EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD>и<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD>ֵ<EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> field_value <EFBFBD><EFBFBD>ͬ
* @param name {const char*} <EFBFBD><EFBFBD><EFBFBD>ݱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD><EFBFBD><EFBFBD>
* @return {const char*} <EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD>ֵ<EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD>ֶ<EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڻ<EFBFBD>
* <EFBFBD>ֶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD>
*/
const char* operator[](const char* name) const;
/**
* <EFBFBD>Ӳ<EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD>ö<EFBFBD>Ӧ<EFBFBD>±<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD>ֵ
* @param ifield {size_t} <EFBFBD>±<EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵӦ < <EFBFBD>ֶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĸ<EFBFBD><EFBFBD><EFBFBD>
* @return {const char*} <EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD>ֵ<EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD>±<EFBFBD>ֵ<EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD>ֶ<EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*/
const char* field_value(size_t ifield) const;
/**
* <EFBFBD>Ӳ<EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD>ö<EFBFBD>Ӧ<EFBFBD>±<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> field_value <EFBFBD><EFBFBD>ͬ
* @param ifield {size_t} <EFBFBD>±<EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵӦ < <EFBFBD>ֶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĸ<EFBFBD><EFBFBD><EFBFBD>
* @return {const char*} <EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD>ֵ<EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD>±<EFBFBD>ֵ<EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD>ֶ<EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*/
const char* operator[](size_t ifield) const;
/**
* <EFBFBD>Ӳ<EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD>ö<EFBFBD>Ӧ<EFBFBD>±<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>͵<EFBFBD><EFBFBD>ֶ<EFBFBD>ֵ
* @param ifield {size_t} <EFBFBD>±<EFBFBD>ֵ
* @param null_value {int} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ش<EFBFBD>ֵ<EFBFBD><EFBFBD>ʾδ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @return {int} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> null_value ֵ<EFBFBD><EFBFBD>ͬʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD>в鵽<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*/
int field_int(size_t ifield, int null_value = 0) const;
/**
* <EFBFBD>Ӳ<EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>͵<EFBFBD><EFBFBD>ֶ<EFBFBD>ֵ
* @param name {const char*} <EFBFBD>±<EFBFBD>ֵ
* @param null_value {int} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ش<EFBFBD>ֵ<EFBFBD><EFBFBD>ʾδ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @return {int} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> null_value ֵ<EFBFBD><EFBFBD>ͬʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD>в鵽<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*/
int field_int(const char* name, int null_value = 0) const;
/**
* <EFBFBD>Ӳ<EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD>ö<EFBFBD>Ӧ<EFBFBD>±<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>͵<EFBFBD><EFBFBD>ֶ<EFBFBD>ֵ
* @param ifield {size_t} <EFBFBD>±<EFBFBD>ֵ
* @param null_value {acl_int64} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ش<EFBFBD>ֵ<EFBFBD><EFBFBD>ʾδ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @return {acl_int64} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> null_value ֵ<EFBFBD><EFBFBD>ͬʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD>в鵽<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*/
all samples can be built by vc2012 in x64 mode
2015-06-29 17:33:11 +08:00
#if defined(_WIN32) || defined(_WIN64)
整理了一些文件格式
2014-11-19 00:25:21 +08:00
__int64 field_int64(size_t ifield, __int64 null_value = 0) const;
#else
long long int field_int64(size_t ifield, long long int null_value = 0) const;
#endif
/**
* <EFBFBD>Ӳ<EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>͵<EFBFBD><EFBFBD>ֶ<EFBFBD>ֵ
* @param name {const char*} <EFBFBD>±<EFBFBD>ֵ
* @param null_value {acl_int64} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ش<EFBFBD>ֵ<EFBFBD><EFBFBD>ʾδ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @return {acl_int64} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> null_value ֵ<EFBFBD><EFBFBD>ͬʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD>в鵽<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*/
all samples can be built by vc2012 in x64 mode
2015-06-29 17:33:11 +08:00
#if defined(_WIN32) || defined(_WIN64)
整理了一些文件格式
2014-11-19 00:25:21 +08:00
__int64 field_int64(const char* name, __int64 null_value = 0) const;
#else
long long int field_int64(const char* name, long long int null_value = 0) const;
#endif
add thread queue sample: samples/thread_queue
2015-06-18 14:54:58 +08:00
double field_double(size_t ifield, double null_value = 0) const;
double field_double(const char* name, double null_value = 0) const;
整理了一些文件格式
2014-11-19 00:25:21 +08:00
/**
* <EFBFBD>Ӳ<EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD>ö<EFBFBD>Ӧ<EFBFBD>±<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>͵<EFBFBD><EFBFBD>ֶ<EFBFBD>ֵ
* @param ifield {size_t} <EFBFBD>±<EFBFBD>ֵ
* @return {const char*} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ NULL ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD>в鵽<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*/
const char* field_string(size_t ifield) const;
/**
* <EFBFBD>Ӳ<EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>͵<EFBFBD><EFBFBD>ֶ<EFBFBD>ֵ
* @param name {const char*} <EFBFBD>±<EFBFBD>ֵ
* @return {const char*} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ NULL ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD>в鵽<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*/
const char* field_string(const char* name) const;
/**
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD>ֵ<EFBFBD><EFBFBD>˳<EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˳<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>
* @param value {const char*} <EFBFBD><EFBFBD><EFBFBD>м<EFBFBD>¼<EFBFBD><EFBFBD>ij<EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD>ֵ
*/
void push_back(const char* value);
/**
* <EFBFBD>м<EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD>ֵ<EFBFBD>ĸ<EFBFBD><EFBFBD><EFBFBD>
* @return {size_t}
*/
size_t length() const;
protected:
private:
// <20><><EFBFBD>ݱ<EFBFBD><DDB1><EFBFBD><EFBFBD>ֶ<EFBFBD><D6B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵ<EFBFBD><CFB5><EFBFBD><EFBFBD><EFBFBD>
const std::vector<const char*>& names_;
// <20><><EFBFBD>ݽ<EFBFBD><DDBD><EFBFBD><EFBFBD>е<EFBFBD><D0B5>ֶμ<D6B6><CEBC><EFBFBD>
std::vector<const char*> values_;
};
/**
* <EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD><EFBFBD><EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>м<EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ͷ<EFBFBD><EFBFBD><EFBFBD>
*/
class ACL_CPP_API db_rows
{
public:
db_rows();
virtual ~db_rows();
/**
* <EFBFBD>Ӳ<EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD>м<EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>и<EFBFBD><EFBFBD>ݱ<EFBFBD><EFBFBD>ֶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD>ֵȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @param name {const char*} <EFBFBD><EFBFBD><EFBFBD>ݱ<EFBFBD><EFBFBD>ֶ<EFBFBD><EFBFBD><EFBFBD>(<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD>Сд)
* @param value {const char*} <EFBFBD><EFBFBD><EFBFBD>ݱ<EFBFBD><EFBFBD>ֶ<EFBFBD>ֵ(<EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD>Сд)
* @return {const std::vector<const db_row*>&} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>м<EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ͷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> db_rows.empty() <EFBFBD><EFBFBD><EFBFBD>жϽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD>Ϊ<EFBFBD><EFBFBD>
*/
const std::vector<const db_row*>& get_rows(
const char* name, const char* value);
/**
* ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>еIJ<EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @return {const std::vector<db_row*>&} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>м<EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ͷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> db_rows.empty() <EFBFBD><EFBFBD><EFBFBD>жϽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD>Ϊ<EFBFBD><EFBFBD>
*/
const std::vector<db_row*>& get_rows() const;
/**
* <EFBFBD>Ӳ<EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD>м<EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>и<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>±<EFBFBD>ȡ<EFBFBD>ö<EFBFBD>Ӧ<EFBFBD><EFBFBD>ij<EFBFBD>м<EFBFBD>¼
* @param idx {size_t} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>±꣬<EFBFBD><EFBFBD>ֵӦ<EFBFBD><EFBFBD> < <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С
* @return {const db_row*} <EFBFBD><EFBFBD><EFBFBD>ؿձ<EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>±<EFBFBD>ֵ<EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* Ϊ<EFBFBD><EFBFBD>
*/
const db_row* operator[](size_t idx) const;
/**
* <EFBFBD>жϽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD>Ϊ<EFBFBD><EFBFBD>
* @return {bool} <EFBFBD>Ƿ<EFBFBD>Ϊ<EFBFBD><EFBFBD>
*/
bool empty() const;
/**
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>м<EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @return {size_t} <EFBFBD>м<EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*/
size_t length() const;
protected:
// <20><><EFBFBD>ݱ<EFBFBD><DDB1>ֶ<EFBFBD><D6B6><EFBFBD>
std::vector<const char*> names_;
// <20><>ѯ<EFBFBD><D1AF><EFBFBD><EFBFBD><EFBFBD>м<EFBFBD><D0BC>ϣ<EFBFBD><CFA3><EFBFBD><EFBFBD>е<EFBFBD>Ԫ<EFBFBD><D4AA> db_row <20><><EFBFBD><EFBFBD><EFBFBD>Ƕ<EFBFBD>̬<EFBFBD><CCAC><EFBFBD>ӽ<EFBFBD>ȥ<EFBFBD>ģ<EFBFBD>
// <20><>Ϊ<EFBFBD>ڱ<EFBFBD><DAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD>Զ<EFBFBD> delete rows_ <20>е<EFBFBD><D0B5><EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD>ض<EFBFBD><D8B6><EFBFBD>
std::vector<db_row*> rows_;
// <20><>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD>м<EFBFBD><D0BC><EFBFBD>
std::vector<const db_row*> rows_tmp_;
private:
};
class db_pool;
class query;
/**
* <EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*/
class ACL_CPP_API db_handle
{
public:
db_handle(void);
virtual ~db_handle(void);
/**
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @return {const char*}
*/
virtual const char* dbtype() const = 0;
/**
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ij<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @return {int}
*/
virtual int get_errno() const
{
return -1;
}
/**
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ij<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @return {const char*}
*/
virtual const char* get_error() const
{
return "unkonwn error";
}
/**
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӿڣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD>ִ˽ӿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD>
* @param local_charset {const char*} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>(GBK, UTF8, ...)
* @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD>
*/
virtual bool open(const char* local_charset = "GBK") = 0;
/**
* <EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>Ѿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD> true <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD><EFBFBD>Ѿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*/
virtual bool is_opened() const = 0;
/**
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӿڣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD>ִ˽ӿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݱ<EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @return {bool} <EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*/
virtual bool tbl_exists(const char* tbl_name) = 0;
/**
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӿڣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD>ִ˽ӿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڹر<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD>
* @return {bool} <EFBFBD>ر<EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD>
*/
virtual bool close() = 0;
/**
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӿڣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD>ִ˽ӿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD><EFBFBD> SQL <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @param sql {const char*} <EFBFBD><EFBFBD>׼<EFBFBD><EFBFBD> SQL <EFBFBD><EFBFBD><EFBFBD>䣬<EFBFBD>ǿգ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫע<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* SQL <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>뾭<EFBFBD><EFBFBD>ת<EFBFBD>崦<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Է<EFBFBD>ֹ SQL ע<EFBFBD>빥<EFBFBD><EFBFBD>
* @return {bool} ִ<EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD>
*/
virtual bool sql_select(const char* sql) = 0;
/**
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӿڣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD>ִ˽ӿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD><EFBFBD> SQL <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @param sql {const char*} <EFBFBD><EFBFBD>׼<EFBFBD><EFBFBD> SQL <EFBFBD><EFBFBD><EFBFBD>䣬<EFBFBD>ǿգ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫע<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* SQL <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>뾭<EFBFBD><EFBFBD>ת<EFBFBD>崦<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Է<EFBFBD>ֹ SQL ע<EFBFBD>빥<EFBFBD><EFBFBD>
* @return {bool} ִ<EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD>
*/
virtual bool sql_update(const char* sql) = 0;
/**
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȫ<EFBFBD><EFBFBD><EFBFBD>õIJ<EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD>̣<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ô˺<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܵ<EFBFBD>ͬ<EFBFBD><EFBFBD> sql_select<EFBFBD><EFBFBD>ֻ<EFBFBD>Dz<EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD><EFBFBD> query
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> sql <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǰ<EFBFBD>ȫ<EFBFBD>ģ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Է<EFBFBD>ֹ sql ע<EFBFBD><EFBFBD>
* @param query {query&}
* @return {bool} ִ<EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD>
*/
bool exec_select(query& query);
/**
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȫ<EFBFBD><EFBFBD><EFBFBD>õĸ<EFBFBD><EFBFBD>¹<EFBFBD><EFBFBD>̣<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ô˺<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܵ<EFBFBD>ͬ<EFBFBD><EFBFBD> sql_update<EFBFBD><EFBFBD>ֻ<EFBFBD>Dz<EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD><EFBFBD> query
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> sql <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǰ<EFBFBD>ȫ<EFBFBD>ģ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Է<EFBFBD>ֹ sql ע<EFBFBD><EFBFBD>
* @param query {query&}
* @return {bool} ִ<EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD>
*/
bool exec_update(query& query);
/**
* <EFBFBD><EFBFBD><EFBFBD>ӿڣ<EFBFBD>Ϊ<EFBFBD><EFBFBD>ֹ sql ע<EFBFBD>룬<EFBFBD>û<EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֶε<EFBFBD><EFBFBD>ô˺<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һЩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת<EFBFBD>壬<EFBFBD>ýӿڶԳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת<EFBFBD>壬<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD><EFBFBD><EFBFBD>Լ<EFBFBD>
* <EFBFBD><EFBFBD>ת<EFBFBD>巽<EFBFBD><EFBFBD>
* @param in {const char*} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>
* @param len {size_t} <EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @param out {string&} <EFBFBD>洢ת<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @return {string&} <EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>÷<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ã<EFBFBD><EFBFBD>Ա<EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD>ƴ<EFBFBD><EFBFBD>
* SQL <EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD>ȽϷ<EFBFBD><EFBFBD><EFBFBD>
*/
virtual string& escape_string(const char* in, size_t len, string& out);
/**
* <EFBFBD>ϴ<EFBFBD> sql <EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӱ<EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @return {int} Ӱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>-1 <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*/
virtual int affect_count() const = 0;
/////////////////////////////////////////////////////////////////////
/**
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD><EFBFBD> SQL <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ľ<EFBFBD><EFBFBD><EFBFBD>
* @return {const db_rows*}<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ؽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǿգ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* free_result() <EFBFBD><EFBFBD><EFBFBD>ͷŽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*/
const db_rows* get_result() const;
/**
* <EFBFBD>Ӳ<EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD>м<EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>и<EFBFBD><EFBFBD>ݱ<EFBFBD><EFBFBD>ֶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD>ֵȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @param name {const char*} <EFBFBD><EFBFBD><EFBFBD>ݱ<EFBFBD><EFBFBD>ֶ<EFBFBD><EFBFBD><EFBFBD>(<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD>Сд)
* @param value {const char*} <EFBFBD><EFBFBD><EFBFBD>ݱ<EFBFBD><EFBFBD>ֶ<EFBFBD>ֵ(<EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD>Сд)
* @return {const std::vector<const db_row*>*} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>м<EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ͷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ؽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǿգ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> free_result() <EFBFBD><EFBFBD><EFBFBD>ͷŽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*/
const std::vector<const db_row*>* get_rows(
const char* name, const char* value);
/**
* ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>еIJ<EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @return {const std::vector<db_row*>*} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>м<EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ͷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ؽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǿգ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> free_result() <EFBFBD><EFBFBD><EFBFBD>ͷŽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*/
const std::vector<db_row*>* get_rows() const;
/**
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD><EFBFBD> SQL <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD>һ<EFBFBD>н<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ψһ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݲ<EFBFBD>ѯʱ<EFBFBD>ԵñȽϱ<EFBFBD><EFBFBD><EFBFBD>Щ
* @return {const db_row*} <EFBFBD><EFBFBD><EFBFBD>ؿձ<EFBFBD>ʾ<EFBFBD><EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD>գ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ؽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǿգ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD> free_result() <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷ<EFBFBD><EFBFBD>м<EFBFBD><EFBFBD>Ľ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ棬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD>й
*/
const db_row* get_first_row() const;
/**
* <EFBFBD>ͷ<EFBFBD><EFBFBD>ϴβ<EFBFBD>ѯ<EFBFBD>Ľ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD>ɺ󣬱<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>øú<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷ<EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD>β<EFBFBD>ѯ<EFBFBD>Ľ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ú<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ε<EFBFBD><EFBFBD>ò<EFBFBD><EFBFBD>޺<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> result_ <EFBFBD>ÿ<EFBFBD>
*/
void free_result();
/**
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ij<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>±<EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD>м<EFBFBD>¼
* @param idx {size_t} <EFBFBD>±<EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD>ڲ<EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @return {const db_row*} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD>գ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>п<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>±<EFBFBD>Խ<EFBFBD>磬
* Ҳ<EFBFBD>п<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǽ<EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD>
*/
const db_row* operator[](size_t idx) const;
/**
* ȡ<EFBFBD>ò<EFBFBD>ѯ(sql_select)<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>м<EFBFBD>¼<EFBFBD><EFBFBD>
* @return {size_t} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>м<EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ 0 <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD>
*/
size_t length() const;
/**
* <EFBFBD><EFBFBD>ѯ(sql_select)ִ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD>Ϊ<EFBFBD><EFBFBD>
* @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD> true <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD>
*/
bool empty() const;
/**
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD><EFBFBD><EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @param max {size_t} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļ<EFBFBD><EFBFBD><EFBFBD>м<EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD>ƣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵΪ 0
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>еĽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*/
void print_out(size_t max = 0) const;
/////////////////////////////////////////////////////////////////
/**
* <EFBFBD><EFBFBD><EFBFBD>ñ<EFBFBD>ʵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ψһ ID
* @param id {const char*} Ψһ ID
* @return {db_handle&}
*/
db_handle& set_id(const char* id);
/**
* <EFBFBD><EFBFBD><EFBFBD>ñ<EFBFBD>ʵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ψһ ID
* @return {const char*} Ϊ<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾδ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ù<EFBFBD>ΨһID
*/
const char* get_id() const
{
return id_;
}
/**
* <EFBFBD><EFBFBD><EFBFBD>ñ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǰ<EFBFBD><EFBFBD>ʹ<EFBFBD>õ<EFBFBD>ʱ<EFBFBD><EFBFBD>
* @param now {time_t}
* @return {db_handle&}
*/
db_handle& set_when(time_t now);
/**
* <EFBFBD><EFBFBD><EFBFBD>ø<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϴα<EFBFBD>ʹ<EFBFBD>õ<EFBFBD>ʱ<EFBFBD><EFBFBD>
* @return {time_t}
*/
time_t get_when() const
{
return when_;
}
protected:
// <20><>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
db_rows* result_;
// ʵ<><CAB5>Ψһ ID
char* id_;
// <20><><EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD><DDBF><EFBFBD><EFBFBD>Ӿ<EFBFBD><D3BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD>õ<EFBFBD>ʱ<EFBFBD><CAB1>
time_t when_;
};
} // namespace acl
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