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

#pragma once
#include "acl_cpp/acl_cpp_define.hpp"
#include "acl_cpp/stdlib/string.hpp"
#include "acl_cpp/db/db_handle.hpp"

typedef struct sqlite3 sqlite3;

namespace acl {

class charset_conv;

class ACL_CPP_API db_sqlite : public db_handle
{
public:
	db_sqlite(const char* dbfile);
	~db_sqlite(void);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD>ص<EFBFBD>ǰ<EFBFBD><EFBFBD> sqlite <EFBFBD>İ汾<EFBFBD><EFBFBD>Ϣ
	 */
	const char* version(void) const;

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD><EFBFBD>򿪺<EFBFBD>ͨ<EFBFBD><EFBFBD><EFBFBD>˺<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD><EFBFBD>IJ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ã<EFBFBD>
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD>ϸ<EFBFBD><EFBFBD><EFBFBD>ѭ sqlite <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѡ<EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD>
	 * @param pragma {const char*} <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD><EFBFBD><EFBFBD>ʽΪ<EFBFBD><EFBFBD>
	 *  PRAGMA xxx=xxx
	 *  <EFBFBD>磺PRAGMA synchronous = NORMAL
	 * @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD>
	 */
	bool set_conf(const char* pragma);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD><EFBFBD>򿪵<EFBFBD><EFBFBD>ô˺<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѡ<EFBFBD><EFBFBD>
	 * @param pragma {const char*} <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD><EFBFBD><EFBFBD>ʽΪ<EFBFBD><EFBFBD>
	 *  PRAGMA xxx
	 *  <EFBFBD>磺PRAGMA synchronous
	 * @param out {string&} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD>ǿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>洢<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return {const char*} Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ò<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD>δ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 */
	const char* get_conf(const char* pragma, string& out);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD><EFBFBD>򿪵<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѡ<EFBFBD><EFBFBD>
	 * @param pragma {const char*} ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ò<EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD>գ<EFBFBD>
	 *  <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѡ<EFBFBD><EFBFBD><EFBFBD>ʽΪ<EFBFBD><EFBFBD>PRAGMA xxx<EFBFBD><EFBFBD><EFBFBD>磺PRAGMA synchronous
	 */
	void show_conf(const char* pragma = NULL);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD><EFBFBD>򿪺<EFBFBD><EFBFBD><EFBFBD><EFBFBD>е<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>
	 */
	int affect_total_count() const;

	/**
	 * ֱ<EFBFBD>ӻ<EFBFBD><EFBFBD><EFBFBD> sqlite <EFBFBD>ľ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> NULL <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ sqlite <EFBFBD><EFBFBD>û<EFBFBD>д<EFBFBD><EFBFBD><EFBFBD>
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD>ڲ<EFBFBD><EFBFBD>Զ<EFBFBD><EFBFBD>ر<EFBFBD><EFBFBD><EFBFBD> sqlite
	 * @return {sqlite3*}
	 */
	sqlite3* get_conn() const
	{
		return db_;
	}

	/************************************************************************/
	/*            <20><><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD> db_handle <20><><EFBFBD><EFBFBD><EFBFBD>ӿ<EFBFBD>                             */
	/************************************************************************/

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return {const char*}
	 */
	const char* dbtype() const;

	/**
	 * <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}
	 */
	int get_errno() const;

	/**
	 * <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*}
	 */
	const char* get_error() const;

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD> db_handle <EFBFBD>Ĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӿ<EFBFBD>
	 * @param local_charset {const char*} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>(gbk, utf-8, ...)
	 * @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD>
	 */
	bool dbopen(const char* local_charset);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD> db_handle <EFBFBD>Ĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӿڣ<EFBFBD><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>
	 */
	bool is_opened() const;

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD> db_handle <EFBFBD>Ĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӿ<EFBFBD>
	 * @return {bool} <EFBFBD>ر<EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD>
	 */
	bool close(void);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD> db_handle <EFBFBD>Ĵ<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>
	 */
	bool tbl_exists(const char* tbl_name);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD> db_handle <EFBFBD>Ĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӿ<EFBFBD>
	 * @param sql {const char*} <EFBFBD><EFBFBD>׼<EFBFBD><EFBFBD> SELECT SQL <EFBFBD><EFBFBD><EFBFBD>䣬<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ
	 *  ע<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>
	 */
	bool sql_select(const char* sql);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD> db_handle <EFBFBD>Ĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӿ<EFBFBD>
	 * @param sql {const char*} <EFBFBD><EFBFBD>׼<EFBFBD><EFBFBD> INSERT/UPDATE/DELETE SQL <EFBFBD><EFBFBD><EFBFBD>䣬
	 *  <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>
	 */
	bool sql_update(const char* sql);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD> db_handle <EFBFBD>Ĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӿڣ<EFBFBD><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>
	 */
	int affect_count() const;

private:
	// sqlite <20><><EFBFBD><EFBFBD>
	sqlite3* db_;

	// <20><><EFBFBD>ݴ洢<DDB4>ļ<EFBFBD>
	string dbfile_;

	// <20>ַ<EFBFBD><D6B7><EFBFBD>ת<EFBFBD><D7AA><EFBFBD><EFBFBD>
	charset_conv* conv_;

	// <20><><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD>
	string local_charset_;

	// <20><><EFBFBD><EFBFBD>ִ<EFBFBD><D6B4>SQL<51><4C>ѯ<EFBFBD>ĺ<EFBFBD><C4BA><EFBFBD>
	bool exec_sql(const char* sql);
};

} // namespace acl