xoonips/AL/commonal.cc

/*
 * 
 * $Revision: 1.22 $
 * $Log: commonal.cc,v $
 * Revision 1.22  2004/12/03 07:17:21  youi
 * isModerator縺ｧ繧｢繧ｯ繧ｻ繧ｹ縺吶ｋ繝??繧ｿ繝吶?繧ｹ繝??繝悶Ν蜷阪ｒ菫ｮ豁｣.
 *
 * Revision 1.21  2004/12/01 10:28:58  youi
 * DB繧ｫ繝ｩ繝?蜷阪?螟画峩縺ｫ莨ｴ縺?ｿｮ豁｣
 *     institute -> division
 *     organizaion -> company_name
 *
 * Revision 1.20  2004/12/01 04:37:04  youi
 * freeResult: unsigned int* 繧 int* 縺ｸ菫ｮ豁｣.
 * 繧ｳ繝｡繝ｳ繝磯Κ縺ｫ髢｢謨ｰ縺ｮ隱ｬ譏弱ｒ霑ｽ險?
 *
 * Revision 1.19  2004/11/30 06:40:11  youi
 * 髢｢謨ｰ繧定ｿｽ蜉?(gidExists, uidExists)
 * getGroupCount繧貞ｮ夂ｾｩ.
 * getGroupsByUid繧貞ｮ夂ｾｩ.
 * isGroupAdmin繧剃ｿｮ豁｣.
 * dumpGroupAdmins繧貞ｮ夂ｾｩ.
 * deleteMember繧貞ｮ夂ｾｩ.
 * insertMember繧貞ｮ夂ｾｩ.
 * getMembers繧貞ｮ夂ｾｩ.
 * isModerator繧貞ｮ夂ｾｩ.
 *
 * Revision 1.18  2004/11/30 05:46:32  aga
 * 繝ｻsession縺九ｉremoteHost繧貞炎髯､.
 *
 * Revision 1.17  2004/11/27 09:35:49  youi
 * isActivated繧貞ｮ夂ｾｩ.
 * activate繧貞ｮ夂ｾｩ.
 * dumpUid繧貞ｮ夂ｾｩ.
 *
 * Revision 1.16  2004/11/27 06:29:29  youi
 * getAccountCount繧貞ｮ夂ｾｩ.
 * dumpGids繧貞ｮ夂ｾｩ.
 * insertGroup, deleteGroup, updateGroup繧貞ｮ夂ｾｩ.
 * getGroup, getGroups繧貞ｮ夂ｾｩ.
 * 繝??繧ｿ繝吶?繧ｹ蛻晄悄蜑阪?蜻ｼ蜃ｺ縺ｫ蟇ｾ縺暦ｼ軍ES_DB_NOT_INITIALIZED繧定ｿ斐☆蜃ｦ逅?ｒ蜷?未謨ｰ縺ｫ霑ｽ蜉?
 * (譛ｪ蟇ｾ蠢懊?髢｢謨ｰ縺梧ｮ九▲縺ｦ縺?ｋ)
 *
 * Revision 1.15  2004/11/27 02:22:22  aga
 * 繝ｻinitializeDB蜑阪↓addSlashes()繧貞他縺ｶ縺ｨ關ｽ縺｡繧九?繧剃ｿｮ豁｣.
 *
 * Revision 1.14  2004/11/27 01:07:31  youi
 * criteria2str: LIMIT縺ｨORDER BY縺ｮ鬆?分繧貞?繧梧崛縺医◆.
 *
 * Revision 1.13  2004/11/27 00:35:39  youi
 * getAccounts繧貞ｮ夂ｾｩ.
 * getAccount繧剃ｿｮ豁｣?悟?驛ｨ縺ｧgetAccounts繧貞他縺ｳ蜃ｺ縺?
 * criteria2str繧貞ｮ夂ｾｩ.
 *
 * Revision 1.12  2004/11/26 09:45:28  youi
 * getAccount繧貞ｮ夂ｾｩ.
 *
 * Revision 1.11  2004/11/26 08:16:26  aga
 * 繝ｻgetSession, loginUser, createSession, freeResult(const session_t*) 菫ｮ豁｣.
 *
 * Revision 1.10  2004/11/26 07:57:42  youi
 * updateAccount, deleteAccount繧貞ｮ夂ｾｩ.
 * mysql_query螟ｱ謨玲凾縺ｯstderr縺ｸ繧ｨ繝ｩ繝ｼ繧ｳ繝ｼ繝峨→繧ｨ繝ｩ繝ｼ繝｡繝?そ繝ｼ繧ｸ繧貞?蜉?
 *
 * Revision 1.9  2004/11/26 07:38:02  aga
 * 繝ｻFAILUE -> FAILURE.
 *
 * Revision 1.8  2004/11/26 06:36:55  aga
 * 繝ｻcreateSession, getSession 繧剃ｽ懈?.
 *
 * Revision 1.7  2004/11/26 04:51:47  youi
 * dbprefix繧貞ｮ夂ｾｩ縺励◆.
 * insertAccount繧貞ｮ夂ｾｩ縺励◆.
 * isValidSessionID繧貞ｮ夂ｾｩ縺励◆.
 *
 * Revision 1.6  2004/11/26 04:35:55  aga
 * 繝ｻloginUser(), logoutUser()繧剃ｽ懈?.
 *
 * Revision 1.5  2004/11/26 01:08:25  aga
 * 繝ｻaddSlashes()菴懈?.
 *
 * Revision 1.4  2004/11/25 12:14:29  youi
 * getUid縺ｮ蜃ｦ逅?ｒ螳夂ｾｩ縺励◆.
 *
 * Revision 1.3  2004/11/25 11:13:59  youi
 * getLastErrorString/setLastErrorString繧貞ｮ夂ｾｩ.
 *
 * Revision 1.2  2004/11/25 08:55:19  youi
 * 蠑墓焚縺ｮ蝙九ｒ菫ｮ豁｣.
 * freeResult繧定ｿｽ蜉?.
 *
 * Revision 1.1  2004/11/25 05:14:58  youi
 * initial version
 *
 * 
 */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <mysql.h>
#include <errmsg.h>
#include <string>
using namespace std;

#include "common.h"
#include "account.h"
#include "group.h"
#include "session.h"
#include "criteria.h"
#include "commonal.h"


static MYSQL* mysql = NULL; //!< MySQL縺ｮ繝上Φ繝峨Ν
static string dbprefix; //!< XOOPS繝??繧ｿ繝吶?繧ｹ繝??繝悶Ν縺ｮPREFIX

/** 
 * 
 * php縺ｮaddslashes縺ｨ蜷後§縲?/span>
 * 
 * @param addslashes縺吶∋縺肴枚蟄怜?縲?ULL謖?ｮ壻ｸ榊庄縲?/span>
 * @return addslashes縺輔ｌ縺滓枚蟄怜?
 */
string addSlashes( const char *str )
{
        if ( mysql == NULL ){
                string s;
                return s;
        }
        int len = strlen(str);
        char *buf = new char[len*2+1];
        int bufLen = mysql_real_escape_string( mysql, buf, str, len );
        string s( buf, bufLen );
        return s;
}

/**
 * 
 * gid縺ｮ蟄伜惠繧偵メ繧ｧ繝?け.
 * DB縺ｮ繧｢繧ｯ繧ｻ繧ｹ螟ｱ謨励↑縺ｩ繧Ｇalse縺ｨ縺ｪ繧具ｼ?/span>
 * 
 * @param gid 繝√ぉ繝?け縺励◆縺ЖID
 * @return true 蟄伜惠縺吶ｋ
 * @return false 蟄伜惠縺励↑縺?/span>
 * 
 */
static bool gidExists( groupid_t gid )
{
    string sql;
    MYSQL_RES* result;
    MYSQL_ROW row;
    
    sql = "SELECT * FROM " + dbprefix + "_vpaccount_groups ";
    sql += "WHERE gid=" + string( unsignedIntToString( gid ) );
    if( mysql_query( mysql, sql.c_str( ) ) ){
        fprintf( stderr, "%d %s\n", mysql_errno(mysql), mysql_error(mysql) );
        return false;
    }
    result = mysql_store_result( mysql ) ;
    if( !mysql_fetch_row(result) ){
        mysql_free_result( result );
        return false;
    }
    mysql_free_result( result );
    return true;
}

    
/**
 * 
 * Platform繝ｦ繝ｼ繧ｶ諠??ｱ縺ｫuid縺悟ｭ伜惠縺吶ｋ縺九ｒ繝√ぉ繝?け.
 * DB縺ｮ繧｢繧ｯ繧ｻ繧ｹ螟ｱ謨励↑縺ｩ繧Ｇalse縺ｨ縺ｪ繧具ｼ?/span>
 * 
 * @param uid 繝√ぉ繝?け縺励◆縺ФID
 * @return true 蟄伜惠縺吶ｋ
 * @return false 蟄伜惠縺励↑縺?/span>
 * 
 */
static bool uidExists( userid_t uid )
{
    string sql;
    MYSQL_RES* result;
    MYSQL_ROW row;
    
    sql = "SELECT * FROM " + dbprefix + "_vpaccount_users ";
    sql += "WHERE uid=" + string( unsignedIntToString( uid ) );
    if( mysql_query( mysql, sql.c_str( ) ) ){
        fprintf( stderr, "%d %s\n", mysql_errno(mysql), mysql_error(mysql) );
        return false;
    }
    result = mysql_store_result( mysql ) ;
    if( !mysql_fetch_row(result) ){
        mysql_free_result( result );
        return false;
    }
    mysql_free_result( result );
    return true;
}

    
/**
 * 
 * criteria 繧 SQL縺ｫ螟画鋤縺吶ｋ
 * 
 * 
 * 
 */
string criteria2str( criteria* cri )
{
    string sql;
    
    const orderby* odrby = cri -> headOrderBy( );
    if( odrby != 0 ){
        sql += " ORDER BY " + string( odrby -> getColumn( ) );
        sql += ( odrby -> getOrder( ) == orderby::DESC ) ? " DESC" : " ";
        while( ( odrby = cri -> nextOrderBy( ) ) != 0 ){
            sql += ", " + string( odrby -> getColumn( ) );
            sql += ( odrby -> getOrder( ) == orderby::DESC ) ? " DESC" : " ";
        }
    }

    if( cri -> getLimitStart( ) != 0 || cri -> getLimitRows( ) != 0 ){
        sql += " LIMIT " + string( intToString( cri -> getLimitStart( ) ) )
            + ", " + string( intToString( cri -> getLimitRows( ) ) );
    }
    return sql;
}

/**
 * 
 * 繝??繧ｿ繝吶?繧ｹ縺ｮ蛻晄悄蛹?/span>
 * 
 * @param host 繝??繧ｿ繝吶?繧ｹ縺ｮ繝帙せ繝亥錐
 * @param user 繝??繧ｿ繝吶?繧ｹ縺ｫ繧｢繧ｯ繧ｻ繧ｹ縺吶ｋ繝ｦ繝ｼ繧ｶ蜷?/span>
 * @param password 荳願ｨ倥Θ繝ｼ繧ｶ縺ｮ繝代せ繝ｯ繝ｼ繝?/span>
 * @param dbname 繝??繧ｿ繝吶?繧ｹ縺ｮ蜷榊燕
 * @param prefix XOOPS繝??繧ｿ繝吶?繧ｹ繝??繝悶Ν縺ｮPREFIX
 * @return result_t
 * @refer result_t
 */
result_t initializeDB( const char* host, const char* user, const char* password, const char* dbname, const char* prefix )
{
    // 譌｢縺ｫ謗･邯壻ｸｭ縺ｪ繧峨?∽ｸ?譌ｦ蛻?妙
    if ( mysql != NULL )
        mysql_close( mysql );
    
    dbprefix = prefix;
    
    // 蛻晄悄蛹悶→謗･邯?/span>
    mysql = mysql_init(NULL);
    if ( mysql == NULL ){
        return RES_DB_INITIALIZE_ERROR;
    }
    char *unix_socket = NULL; // ?
    uint flag = 0;       // ?
    if ( NULL == mysql_real_connect( mysql, host, user, password, dbname, 3306, unix_socket, flag ) ){
        return RES_DB_CONNECT_ERROR;
    }
    
    return RES_OK;
}


/**
 * 
 * Platform繝ｦ繝ｼ繧ｶ謇ｿ隱咲憾諷句叙蠕?/span>
 * 
 * @param 
 * @return 
 * 
 */
bool isActivated( sessionid_t sid, userid_t uid )
{
    if( mysql == NULL ) return false;
    if( !isValidSessionID( sid ) ) return false;
    
    string sql;
    MYSQL_RES* result;
    MYSQL_ROW row;
    
    sql = "SELECT * FROM " + dbprefix + "_vpaccount_users ";
    sql += "WHERE activate=1 and uid=" + string( unsignedIntToString( uid ) );
    if( mysql_query( mysql, sql.c_str( ) ) ){
        fprintf( stderr, "%d %s\n", mysql_errno(mysql), mysql_error(mysql) );
        return false;
    }
    result = mysql_store_result( mysql ) ;
    if( row = mysql_fetch_row(result) ){
        mysql_free_result( result );
        return true;
    }
    return false;
}

/**
 * 
 * Platform繝ｦ繝ｼ繧ｶ謇ｿ隱咲憾諷句､画峩
 * 
 * @param 
 * @return 
 * 
 */
result_t activate( sessionid_t sid, userid_t uid, bool activate )
{
    if( mysql == NULL ) return RES_DB_NOT_INITIALIZED;
    if( !isValidSessionID( sid ) ) return RES_NO_SUCH_SESSION;
    
    string sql;
    MYSQL_RES* result;
    MYSQL_ROW row;
    
    sql = "UPDATE " + dbprefix + "_vpaccount_users ";
    sql += "SET activate=" + string( activate ? "1" : "0" );
    sql += " WHERE uid=" + string( unsignedIntToString( uid ) );
    if( mysql_query( mysql, sql.c_str( ) ) ){
        fprintf( stderr, "%d %s\n", mysql_errno(mysql), mysql_error(mysql) );
        return RES_DB_QUERY_ERROR;
    }
    if ( mysql_affected_rows(mysql) == 0 ){
        // 譖ｴ譁ｰ螟ｱ謨?/span>
        return RES_NO_SUCH_USER;
    }
    return RES_OK;
}

/**
 * 
 * 繧｢繧ｫ繧ｦ繝ｳ繝域焚
 * 
 * @param 
 * @return 
 * 
 */
int getAccountCount( sessionid_t sid )
{
    if( mysql == NULL ) return 0;
    if( !isValidSessionID( sid ) ) return 0;
    
    int ret = 0;
    string sql;
    MYSQL_RES* result;
    MYSQL_ROW row;
    
    //繧｢繧ｫ繧ｦ繝ｳ繝域焚繧呈ｱゅａ繧?/span>
    sql = "SELECT COUNT(*) FROM " + dbprefix + "_vpaccount_users ";
    if( mysql_query( mysql, sql.c_str( ) ) ){
        fprintf( stderr, "%d %s\n", mysql_errno(mysql), mysql_error(mysql) );
        return 0;
    }
    result = mysql_store_result( mysql ) ;
    if( row = mysql_fetch_row(result) ){
        ret = atoi( row[ 0 ] );
    }else{
        mysql_free_result( result );
        return 0;
    }
    mysql_free_result( result );
    return ret;
}

/**
 * 
 * 繧｢繧ｫ繧ｦ繝ｳ繝亥炎髯､
 * 
 * @param 
 * @return RES_OK
 * @return RES_NO_SUCH_SESSION
 * @return RES_DB_QUERY_ERROR
 * 
 */
result_t deleteAccount( sessionid_t sid, userid_t uid )
{
    if( mysql == NULL ) return RES_DB_NOT_INITIALIZED;
    if( !isValidSessionID( sid ) ) return RES_NO_SUCH_SESSION;
    
    string sql;
    sql = "DELETE FROM " + dbprefix + "_users ";
    sql += "WHERE uid = " + string( unsignedIntToString( uid ) );
    if( mysql_query( mysql, sql.c_str( ) ) ){
        fprintf( stderr, "%d %s\n", mysql_errno(mysql), mysql_error(mysql) );
        return RES_DB_QUERY_ERROR;
    }
    
    sql = "DELETE FROM " + dbprefix + "_vpaccount_users ";
    sql += "WHERE uid = " + string( unsignedIntToString( uid ) );
    if( mysql_query( mysql, sql.c_str( ) ) ){
        fprintf( stderr, "%d %s\n", mysql_errno(mysql), mysql_error(mysql) );
        return RES_DB_QUERY_ERROR;
    }
    
    return RES_OK;
}

/**
 * 
 * 繧｢繧ｫ繧ｦ繝ｳ繝域ュ蝣ｱ蜿門ｾ?/span>
 * 
 * @param sid 繧ｻ繝?す繝ｧ繝ｳID
 * @param uid 蜿門ｾ励＠縺溘＞繝ｦ繝ｼ繧ｶ縺ｮUID
 * @param acc 蜿門ｾ励＠縺溘い繧ｫ繧ｦ繝ｳ繝域ュ蝣ｱ(account_t)縺ｮ繝昴う繝ｳ繧ｿ繧呈嶌縺崎ｾｼ繧?蠑墓焚
 * @return RES_OK
 * @return RES_NO_SUCH_USER
 * @return RES_NO_SUCH_SESSION
 * @return RES_DB_QUERY_ERROR
 * @return RES_ERROR
 * 
 */
result_t getAccount( sessionid_t sid, userid_t uid, const account_t** acc )
{
    int len;
    static criteria c;
    result_t res = getAccounts( sid, &uid, 1, &c, acc, &len );
    if( len == 0 ) return RES_NO_SUCH_USER;
    return res;
}

/**
 * 
 * 繧｢繧ｫ繧ｦ繝ｳ繝域ュ蝣ｱ蜿門ｾ?/span>
 * 
 * @param sid 繧ｻ繝?す繝ｧ繝ｳID
 * @param uids 蜿門ｾ励＠縺溘＞繝ｦ繝ｼ繧ｶ縺ｮUID縺ｮ驟榊?
 * @param uidsLen uids驟榊?縺ｮ隕∫ｴ?謨ｰ
 * @param cri 邨先棡縺ｮ遽?峇謖?ｮ夲ｼ後た繝ｼ繝域擅莉ｶ謖?ｮ?/span>
 * @param accounts 讀懃ｴ｢邨先棡縺ｮ驟榊?縺ｮ繝昴う繝ｳ繧ｿ繧呈嶌縺崎ｾｼ繧?蠑墓焚
 * @param accountsLen 讀懃ｴ｢邨先棡縺ｮ謨ｰ(驟榊?*accounts縺ｮ隕∫ｴ?謨ｰ)
 * @return RES_OK| RES_DB_NOT_INITIALIZED| RES_NO_SUCH_SESSION
 * @return RES_DB_QUERY_ERROR
 * 
 */
result_t getAccounts( sessionid_t sid, const userid_t* uids, int uidsLen, criteria_t* cri, const account_t** accounts, int* accountsLen )
{
    if( mysql == NULL ) return RES_DB_NOT_INITIALIZED;
    if( !isValidSessionID( sid ) ) return RES_NO_SUCH_SESSION;
    
    string sql;
    MYSQL_RES* result;
    MYSQL_ROW row;
    account_t* dst = new account_t[ uidsLen ];
    
    sql += "SELECT u1.uid, u1.name, u1.uname, u1.email, u1.url, u1.user_avatar, u1.user_regdate, u1.user_icq, u1.user_from, u1.user_sig, u1.user_viewemail, u1.actkey, u1.user_aim, u1.user_yim, u1.user_msnm, u1.pass, u1.posts, u1.attachsig, u1.rank, u1.level, u1.theme, u1.timezone_offset, u1.last_login, u1.umode, u1.uorder, u1.notify_method, u1.notify_mode, u1.user_occ, u1.bio, u1.user_intrest, u1.user_mailok, u2.activate, u2.address, u2.division, u2.tel, u2.company_name, u2.country, u2.zipcode, u2.fax, u2.base_url, u2.notice_mail, u2.notice_mail_since ";
    sql += "FROM " + dbprefix + "_users AS u1, " + dbprefix + "_vpaccount_users AS u2 ";
    sql += "WHERE u1.uid = u2.uid AND ( u1.uid=" + string( unsignedIntToString( uids[ 0 ] ) );
    for( int i = 1; i < uidsLen; i++ ){
        sql += " OR u1.uid=" + string( unsignedIntToString( uids[ i ] ) );
    }
    sql += " ) ";
    sql += criteria2str( cri );
    if( mysql_query( mysql, sql.c_str( ) ) ){
        fprintf( stderr, "%s\n", sql.c_str( ) );
        fprintf( stderr, "%d %s\n", mysql_errno(mysql), mysql_error(mysql) );
        return RES_DB_QUERY_ERROR;
    }
    result = mysql_use_result( mysql ) ;
    *accountsLen=0;
    for( int i = 0; ( row = mysql_fetch_row(result) ) != 0 && i < uidsLen ; i++ ){
        dst[ i ].setUID( atoi( row[ 0 ] ) );
        dst[ i ].setName( row[ 1 ] );
        dst[ i ].setUname( row[ 2 ] );
        dst[ i ].setEmail( row[ 3 ] );
        dst[ i ].setURL( row[ 4 ] );
        dst[ i ].setUserAvatar( row[ 5 ] );
        dst[ i ].setUserRegdate( atoi( row[ 6 ] ) );
        dst[ i ].setUserIcq( row[ 7 ] );
        dst[ i ].setUserFrom( row[ 8 ] );
        dst[ i ].setUserSig( row[ 9 ] );
        dst[ i ].setUserViewemail( atoi( row[ 10 ] ) );
        dst[ i ].setActkey( row[ 11 ] );
        dst[ i ].setUserAim( row[ 12 ] );
        dst[ i ].setUserYim( row[ 13 ] );
        dst[ i ].setUserMsnm( row[ 14 ] );
        dst[ i ].setPass( row[ 15 ] );
        dst[ i ].setPosts( atoi( row[ 16 ] ) );
        dst[ i ].setAttachsig( atoi( row[ 17 ] ) );
        dst[ i ].setRank( atoi( row[ 18 ] ) );
        dst[ i ].setLevel( atoi( row[ 19 ] ) );
        dst[ i ].setTheme( row[ 20 ] );
        dst[ i ].setTimezoneOffset( atof( row[ 21 ] ) );
        dst[ i ].setLastLogin( atoi( row[ 22 ] ) );
        dst[ i ].setUmode( row[ 23 ] );
        dst[ i ].setUorder( atoi( row[ 24 ] ) );
        dst[ i ].setNotifyMethod( atoi( row[ 25 ] ) );
        dst[ i ].setNotifyMode( atoi( row[ 26 ] ) );
        dst[ i ].setUserOcc( row[ 27 ] );
        dst[ i ].setBio( row[ 28 ] );
        dst[ i ].setUserIntrest( row[ 29 ] );
        dst[ i ].setUserMailok( atoi( row[ 30 ] ) );
        dst[ i ].setActivate( atoi( row[ 31 ] ) );
        dst[ i ].setAddress( row[ 32 ] );
        dst[ i ].setDivision( row[ 33 ] );
        dst[ i ].setTel( row[ 34 ] );
        dst[ i ].setCompanyName( row[ 35 ] );
        dst[ i ].setCountry( row[ 36 ] );
        dst[ i ].setZipcode( row[ 37 ] );
        dst[ i ].setFax( row[ 38 ] );
        dst[ i ].setBaseURL( row[ 39 ] );
        dst[ i ].setNoticeMail( atoi( row[ 40 ] ) );
        dst[ i ].setNoticeMailSince( atoi( row[ 41 ] ) );
        ( *accountsLen )++;
    }
    mysql_free_result( result );
    *accounts = dst;
    return RES_OK;
}

/**
 * 
 * 繧｢繧ｫ繧ｦ繝ｳ繝育匳骭ｲ
 * 
 * @param sid 繧ｻ繝?す繝ｧ繝ｳ
 * @param account 逋ｻ骭ｲ縺吶ｋ繧｢繧ｫ繧ｦ繝ｳ繝域ュ蝣ｱ
 * @return RES_OK
 * @return RES_NO_SUCH_SESSION
 * @return RES_DB_QUERY_ERROR
 * @return RES_ERROR
 * 
 */
result_t insertAccount( sessionid_t sid, const account_t* account )
{
    if( mysql == NULL ) return RES_DB_NOT_INITIALIZED;
    if( !isValidSessionID( sid ) ) return RES_NO_SUCH_SESSION;
    
    string sql;
    string tmp;
    char buf[ 12 ];
    
    //xoops縺ｮ繝ｦ繝ｼ繧ｶ繝??繝悶Ν縺ｫ譖ｸ縺崎ｾｼ繧?
    sql = "INSERT INTO " + dbprefix + "_users (uname, name, email, url, user_avatar, user_regdate, user_icq, user_from, user_sig, user_viewemail, actkey, user_aim, user_yim, user_msnm, pass, posts, attachsig, rank, level, theme, timezone_offset, last_login, umode, uorder, notify_method, notify_mode, user_occ, bio, user_intrest, user_mailok) VALUES (";
    sql += "'" + string( addSlashes( account -> getUname( ) ) ) + "', ";
    sql += "'" + string( addSlashes( account -> getName( ) ) ) + "', ";
    sql += "'" + string( addSlashes( account -> getEmail( ) ) ) + "', ";
    sql += "'" + string( addSlashes( account -> getURL( ) ) ) + "', ";
    sql += "'" + string( addSlashes( account -> getUserAvatar( ) ) ) + "', ";
    snprintf( buf, 12, "%d", time( NULL ) );
    sql += string( buf ) + ", ";
    sql += "'" + string( addSlashes( account -> getUserIcq( ) ) ) + "', ";
    sql += "'" + string( addSlashes( account -> getUserFrom( ) ) ) + "', ";
    sql += "'" + string( addSlashes( account -> getUserSig( ) ) ) + "', ";
    snprintf( buf, 12, "%d", account -> getUserViewemail( ) );
    sql += string( buf ) + ", ";
    sql += "'" + string( addSlashes( account -> getActkey( ) ) ) + "', ";
    sql += "'" + string( addSlashes( account -> getUserAim( ) ) ) + "', ";
    sql += "'" + string( addSlashes( account -> getUserYim( ) ) ) + "', ";
    sql += "'" + string( addSlashes( account -> getUserMsnm( ) ) ) + "', ";
    sql += "'" + string( addSlashes( account -> getPass( ) ) ) + "', ";
    snprintf( buf, 12, "%d", account -> getPosts( ) );
    sql += string( buf ) + ", ";
    snprintf( buf, 12, "%d", account -> getAttachsig( ) );
    sql += string( buf ) + ", ";
    snprintf( buf, 12, "%d", account -> getRank( ) );
    sql += string( buf ) + ", ";
    snprintf( buf, 12, "%d", account -> getLevel( ) );
    sql += string( buf ) + ", ";
    sql += "'" + string( addSlashes( account -> getTheme( ) ) ) + "', ";
    snprintf( buf, 12, "%lf", account -> getTimezoneOffset( ) );
    sql += string( buf ) + ", ";
    sql += "0, "; //last login
    sql += "'" + string( addSlashes( account -> getUmode( ) ) ) + "', ";
    snprintf( buf, 12, "%d", account -> getUorder( ) );
    sql += string( buf ) + ", ";
    snprintf( buf, 12, "%d", account -> getNotifyMethod( ) );
    sql += string( buf ) + ", ";
    snprintf( buf, 12, "%d", account -> getNotifyMode( ) );
    sql += string( buf ) + ", ";
    sql += "'" + string( addSlashes( account -> getUserOcc( ) ) ) + "', ";
    sql += "'" + string( addSlashes( account -> getBio( ) ) ) + "', ";
    sql += "'" + string( addSlashes( account -> getUserIntrest( ) ) ) + "', ";
    snprintf( buf, 12, "%d", account -> getUserMailok( ) );
    sql += string( buf ) + ")";
    if( mysql_query( mysql, sql.c_str( ) ) ){
        fprintf( stderr, "%s\n", sql.c_str( ) );
        fprintf( stderr, "%d %s\n", mysql_errno(mysql), mysql_error(mysql) );
        return RES_DB_QUERY_ERROR;
    }
    
    //繝ｦ繝ｼ繧ｶID繧貞叙蠕励☆繧?/span>
    userid_t uid;
    if( getUid( account -> getUname( ), &uid ) != RES_OK ){
        return RES_ERROR;
    }
    
    //vpaccount縺ｮ繝ｦ繝ｼ繧ｶ繝??繝悶Ν縺ｫ谿九ｊ縺ｮ諠??ｱ繧呈嶌縺崎ｾｼ繧?
    sql = "INSERT INTO " + dbprefix + "_vpaccount_users (uid, activate, address, division, tel, company_name, country, zipcode, fax, base_url, notice_mail, notice_mail_since) VALUES (";
    snprintf( buf, 12, "%d", uid );
    sql += string( buf ) + ", ";
    if( account -> getActivate() ){
        sql += "1, ";
    }else{
        sql += "0, ";
    }
    sql += "'" + string( addSlashes( account -> getAddress() ) ) + "', ";
    sql += "'" + string( addSlashes( account -> getDivision() ) ) + "', ";
    sql += "'" + string( addSlashes( account -> getTel() ) ) + "', ";
    sql += "'" + string( addSlashes( account -> getCompanyName() ) ) + "', ";
    sql += "'" + string( addSlashes( account -> getCountry() ) ) + "', ";
    sql += "'" + string( addSlashes( account -> getZipcode() ) ) + "', ";
    sql += "'" + string( addSlashes( account -> getFax() ) ) + "', ";
    sql += "'" + string( addSlashes( account -> getBaseURL() ) ) + "', ";
    snprintf( buf, 12, "%d", account -> getNoticeMail( ) );
    sql += string( buf ) + ", ";
    snprintf( buf, 12, "%d", account -> getNoticeMailSince( ) );
    sql += string( buf ) + ")";
    if( mysql_query( mysql, sql.c_str( ) ) ){
        fprintf( stderr, "%s\n", sql.c_str( ) );
        fprintf( stderr, "%d %s\n", mysql_errno(mysql), mysql_error(mysql) );
        //xoops_users縺ｸinsert縺励◆繝ｬ繧ｳ繝ｼ繝峨ｒ蜑企勁縺吶ｋ
        sql = "DELETE FROM " + dbprefix + "_users where uid=";
        snprintf( buf, 12, "%d", uid );
        sql += string( buf );
        mysql_query( mysql, sql.c_str( ) );
        return RES_DB_QUERY_ERROR;
    }
    
    return RES_OK;
}

/**
 * 
 * 繧｢繧ｫ繧ｦ繝ｳ繝域ュ蝣ｱ繧貞､画峩縺吶ｋ.
 * 
 * 
 * @param sid 繧ｻ繝?す繝ｧ繝ｳID
 * @param account 螟画峩縺励◆縺?い繧ｫ繧ｦ繝ｳ繝域ュ蝣ｱ
 * @return RES_OK
 * @return RES_NO_SUCH_SESSION
 * @return RES_DB_QUERY_ERROR
 * @return RES_NO_SUCH_USER
 * 
 */
result_t updateAccount( sessionid_t sid, const account_t* account )
{
    if( mysql == NULL ) return RES_DB_NOT_INITIALIZED;
    if( account == NULL ) return RES_ERROR;
    if( !isValidSessionID( sid ) ) return RES_NO_SUCH_SESSION;
    if( !uidExists( account -> getUID( ) ) ) return RES_NO_SUCH_USER;
    
    string sql;
    string tmp;
    char buf[ 12 ];
    
    //xoops縺ｮ繝ｦ繝ｼ繧ｶ繝??繝悶Ν縺ｫ譖ｸ縺崎ｾｼ繧?
    sql = "UPDATE " + dbprefix + "_users SET ";
    sql += "uname='" + string( addSlashes( account -> getUname( ) ) ) + "', ";
    sql += "name='" + string( addSlashes( account -> getName( ) ) ) + "', ";
    sql += "email='" + string( addSlashes( account -> getEmail( ) ) ) + "', ";
    sql += "url='" + string( addSlashes( account -> getURL( ) ) ) + "', ";
    sql += "user_avatar='" + string( addSlashes( account -> getUserAvatar( ) ) ) + "', ";
    sql += "user_regdate=" + string( intToString( account -> getUserRegdate( ) ) ) + ", ";
    sql += "user_icq='" + string( addSlashes( account -> getUserIcq( ) ) ) + "', ";
    sql += "user_from='" + string( addSlashes( account -> getUserFrom( ) ) ) + "', ";
    sql += "user_sig='" + string( addSlashes( account -> getUserSig( ) ) ) + "', ";
    sql += "user_viewemail=" + string( intToString( account -> getUserViewemail( ) ) ) + ", ";
    sql += "actkey='" + string( addSlashes( account -> getActkey( ) ) ) + "', ";
    sql += "user_aim='" + string( addSlashes( account -> getUserAim( ) ) ) + "', ";
    sql += "user_yim='" + string( addSlashes( account -> getUserYim( ) ) ) + "', ";
    sql += "user_msnm='" + string( addSlashes( account -> getUserMsnm( ) ) ) + "', ";
    sql += "pass='" + string( account -> getPass( ) ) + "', ";
    sql += "posts=" + string( intToString( account -> getPosts( ) ) ) + ", ";
    sql += "attachsig=" + string( intToString( account -> getAttachsig( ) ) ) + ", ";
    sql += "rank=" + string( intToString( account -> getRank( ) ) ) + ", ";
    sql += "level=" + string( intToString( account -> getLevel( ) ) ) + ", ";
    sql += "theme='" + string( addSlashes( account -> getTheme( ) ) ) + "', ";
    snprintf( buf, 12, "%.2f", account -> getTimezoneOffset( ) );
    sql += "timezone_offset=" + string( buf ) + ", ";
    sql += "last_login=" + string( unsignedIntToString( account -> getLastLogin( ) ) ) + ", ";
    sql += "umode='" + string( account -> getUmode( ) ) + "', ";
    sql += "uorder=" + string( intToString( account -> getUorder( ) ) ) + ", ";
    sql += "notify_method=" + string( intToString( account -> getNotifyMethod( ) ) ) + ", ";
    sql += "notify_mode=" + string( intToString( account -> getNotifyMode( ) ) ) + ", ";
    sql += "user_occ='" + string( addSlashes( account -> getUserOcc( ) ) ) + "', ";
    sql += "bio='" + string( addSlashes( account -> getBio( ) ) ) + "', ";
    sql += "user_intrest='" + string( addSlashes( account -> getUserIntrest( ) ) ) + "', ";
    sql += "user_mailok=" + string( intToString( account -> getUserMailok( ) ) );
    sql += " WHERE uid = " + string( intToString( account -> getUID( ) ) );
    
    if( mysql_query( mysql, sql.c_str( ) ) ){
        fprintf( stderr, "%s\n", sql.c_str( ) );
        fprintf( stderr, "%d %s\n", mysql_errno(mysql), mysql_error(mysql) );
        return RES_DB_QUERY_ERROR;
    }
    
    //vpaccount縺ｮ繝ｦ繝ｼ繧ｶ繝??繝悶Ν縺ｫ谿九ｊ縺ｮ諠??ｱ繧剃ｸ頑嶌縺阪☆繧?/span>
    sql = "UPDATE " + dbprefix + "_vpaccount_users SET ";
    sql += "activate=";
    if( account -> getActivate() ){
        sql += "1, ";
    }else{
        sql += "0, ";
    }
    sql += "address='" + string( addSlashes( account -> getAddress() ) ) + "', ";
    sql += "division='" + string( addSlashes( account -> getDivision() ) ) + "', ";
    sql += "tel='" + string( addSlashes( account -> getTel() ) ) + "', ";
    sql += "company_name='" + string( addSlashes( account -> getCompanyName() ) ) + "', ";
    sql += "country='" + string( addSlashes( account -> getCountry() ) ) + "', ";
    sql += "zipcode='" + string( addSlashes( account -> getZipcode() ) ) + "', ";
    sql += "fax='" + string( addSlashes( account -> getFax() ) ) + "', ";
    sql += "base_url='" + string( addSlashes( account -> getBaseURL() ) ) + "', ";
    sql += "notice_mail=" + string( intToString( account -> getNoticeMail( ) ) ) + ", ";
    sql += "notice_mail_since=" + string( intToString( account -> getNoticeMailSince( ) ) );
    sql += " WHERE uid = " + string( intToString( account -> getUID( ) ) );
    
    if( mysql_query( mysql, sql.c_str( ) ) ){
        fprintf( stderr, "%s\n", sql.c_str( ) );
        fprintf( stderr, "%d %s\n", mysql_errno(mysql), mysql_error(mysql) );
        return RES_DB_QUERY_ERROR;
    }
    
    return RES_OK;
}

/**
 * 
 * criteria_t縺ｧ謖?ｮ壹＆繧後◆遽?峇縺ｮ繝ｦ繝ｼ繧ｶID繧定ｿ斐☆.
 * 繝ｦ繝ｼ繧ｶID縺ｮ驟榊?繧堤｢ｺ菫昴＠縺ｦ縺昴％縺ｫ譖ｸ縺崎ｾｼ縺ｿ?碁?蛻励?繧｢繝峨Ξ繧ｹ繧?uids縺ｫ譖ｸ縺崎ｾｼ繧?.
 * 驟榊?縺ｮ繧ｵ繧､繧ｺ繧?uidsLen縺ｫ譖ｸ縺崎ｾｼ繧?
 * 
 * @param sid 繧ｻ繝?す繝ｧ繝ｳID
 * @param cri 邨先棡縺ｮ遽?峇謖?ｮ夲ｼ後た繝ｼ繝域擅莉ｶ謖?ｮ?/span>
 * @param uids 繝ｦ繝ｼ繧ｶ縺ｮUID縺ｮ驟榊?
 * @param uidsLen uids驟榊?縺ｮ隕∫ｴ?謨ｰ
 * @return RES_OK| RES_DB_NOT_INITIALIZED| RES_NO_SUCH_SESSION
 * @return RES_DB_QUERY_ERROR| RES_ERROR
 * 
 */
result_t dumpUids( sessionid_t sid, criteria_t* cri, userid_t** uids, int* uidsLen )
{
    if( mysql == NULL ) return RES_DB_NOT_INITIALIZED;
    if( !isValidSessionID( sid ) ) return RES_NO_SUCH_SESSION;
    
    string sql;
    MYSQL_RES* result;
    MYSQL_ROW row;
    userid_t* dst = 0;
    
    sql = "SELECT uid FROM " + dbprefix + "_vpaccount_users ";
    sql += criteria2str( cri );
    if( mysql_query( mysql, sql.c_str( ) ) ){
        fprintf( stderr, "%d %s\n", mysql_errno(mysql), mysql_error(mysql) );
        return RES_DB_QUERY_ERROR;
    }
    result = mysql_store_result( mysql ) ;
    if( result == NULL ){
        fprintf( stderr, "%d %s\n", mysql_errno(mysql), mysql_error(mysql) );
        return RES_DB_QUERY_ERROR;
    }
    *uidsLen = mysql_num_rows( result );
    dst = new userid_t[ *uidsLen ];
    for( int i = 0; ( row = mysql_fetch_row(result) ) != 0 && i < *uidsLen ; i++ ){
        dst[ i ] = atoi( row[ 0 ] );
    }
    mysql_free_result( result );
    *uids = dst;
    
    return RES_OK;
}

/**
 * 
 * 繧ｰ繝ｫ繝ｼ繝玲焚繧定ｿ斐☆.
 * 荳肴ｭ｣縺ｪ繧ｻ繝?す繝ｧ繝ｳID縺ｪ繧?繧定ｿ斐☆.
 * 
 * @param sid 繧ｻ繝?す繝ｧ繝ｳID
 * @return 繧ｰ繝ｫ繝ｼ繝玲焚
 * 
 */
int getGroupCount( sessionid_t sid )
{
    if( mysql == NULL ) return 0;
    if( !isValidSessionID( sid ) ) return 0;
    
    string sql;
    MYSQL_RES* result;
    MYSQL_ROW row;
    int groupLen = 0;
    
    //繧ｰ繝ｫ繝ｼ繝玲焚繧呈ｱゅａ繧?/span>
    sql = "SELECT COUNT(*) FROM " + dbprefix + "_vpaccount_groups";
    if( mysql_query( mysql, sql.c_str( ) ) ){
        fprintf( stderr, "%d %s\n", mysql_errno(mysql), mysql_error(mysql) );
        return RES_DB_QUERY_ERROR;
    }
    result = mysql_store_result( mysql ) ;
    if( row = mysql_fetch_row(result) ){
        groupLen = atoi( row[ 0 ] );
    }
    mysql_free_result( result );
    return groupLen;
}

/**
 * 
 * 謇?螻槭げ繝ｫ繝ｼ繝嶺ｸ?隕ｧ蜿門ｾ?/span>
 * 
 * @param 
 * @return 
 * 
 */
result_t getGroupsByUid( sessionid_t sid, userid_t uid, criteria_t* cri, groupid_t** gids, int* gidsLen )
{
    if( mysql == NULL ) return RES_DB_NOT_INITIALIZED;
    if( !isValidSessionID( sid ) ) return RES_NO_SUCH_SESSION;
    if( !uidExists( uid ) ) return RES_NO_SUCH_USER; //uid縺ｮ蟄伜惠繧偵メ繧ｧ繝?け
    
    string sql;
    MYSQL_RES* result;
    MYSQL_ROW row;
    groupid_t* dst = 0;
    int len = 0;
    
    //謇?螻槭☆繧九げ繝ｫ繝ｼ繝励?譛?螟ｧ蛟区焚繧呈ｱゅａ繧?/span>
    sql = "SELECT count(*) FROM " + dbprefix + "_vpaccount_groups_users_link";
    sql += " WHERE uid=" + string( unsignedIntToString( uid ) );
    sql += criteria2str( cri );
    if( mysql_query( mysql, sql.c_str( ) ) ){
        fprintf( stderr, "%s\n", sql.c_str( ) );
        fprintf( stderr, "%d %s\n", mysql_errno(mysql), mysql_error(mysql) );
        return RES_DB_QUERY_ERROR;
    }
    result = mysql_store_result( mysql ) ;
    if( row = mysql_fetch_row(result) ){
        len = atoi( row[ 0 ] );
    }
    mysql_free_result( result );
    
    sql = "SELECT gid, uid, is_admin FROM " + dbprefix + "_vpaccount_groups_users_link";
    sql += " WHERE uid=" + string( unsignedIntToString( uid ) );
    sql += criteria2str( cri );
    if( mysql_query( mysql, sql.c_str( ) ) ){
        fprintf( stderr, "%s\n", sql.c_str( ) );
        fprintf( stderr, "%d %s\n", mysql_errno(mysql), mysql_error(mysql) );
        return RES_DB_QUERY_ERROR;
    }
    *gidsLen = 0;
    dst = new groupid_t[ len ];
    result = mysql_store_result( mysql ) ;
    for( int i = 0; ( row = mysql_fetch_row(result) ) != 0 && i < len ; i++ ){
        dst[ i ] = atoi( row[ 0 ] );
        ( *gidsLen )++;
    }
    mysql_free_result( result );
    *gids = dst;
    
    return RES_OK;
}

/**
 * 
 * 繧ｰ繝ｫ繝ｼ繝礼ｮ｡逅?ｨｩ髯仙撫蜷医○
 * 
 * @param 
 * @return 
 * 
 */
bool isGroupAdmin( sessionid_t sid, groupid_t gid, userid_t uid )
{
    if( mysql == NULL ) return false;
    if( !isValidSessionID( sid ) ) return false;
    if( !uidExists( uid ) ) return false;
    if( !gidExists( gid ) ) return false;
    
    string sql;
    MYSQL_RES* result;
    MYSQL_ROW row;
    groupid_t* dst = 0;
    result_t res;
    
    sql = "SELECT * FROM " + dbprefix + "_vpaccount_groups_users_link ";
    sql += "WHERE gid=" + string( unsignedIntToString( gid ) );
    sql += " AND uid=" + string( unsignedIntToString( uid ) );
    sql += " AND is_admin=1";
    if( mysql_query( mysql, sql.c_str( ) ) ){
        fprintf( stderr, "%d %s\n", mysql_errno(mysql), mysql_error(mysql) );
        return false;
    }
    result = mysql_store_result( mysql );
    if( !mysql_fetch_row(result) ){
        mysql_free_result( result );
        return false;
    }
    
    mysql_free_result( result );
    return true;;
}

/**
 * 
 * 繧ｰ繝ｫ繝ｼ繝悠D荳?隕ｧ
 * 
 * @param 
 * @return 
 * 
 */
result_t dumpGids( sessionid_t sid, criteria_t* cri, groupid_t** gids, int* gidsLen )
{
    if( mysql == NULL ) return RES_DB_NOT_INITIALIZED;
    if( !isValidSessionID( sid ) ) return RES_NO_SUCH_SESSION;
    
    string sql;
    MYSQL_RES* result;
    MYSQL_ROW row;
    groupid_t* dst = 0;
    
    sql = "SELECT gid FROM " + dbprefix + "_vpaccount_groups ";
    sql += criteria2str( cri );
    if( mysql_query( mysql, sql.c_str( ) ) ){
        fprintf( stderr, "%d %s\n", mysql_errno(mysql), mysql_error(mysql) );
        return RES_DB_QUERY_ERROR;
    }
    result = mysql_store_result( mysql ) ;
    if( result == NULL ){
        fprintf( stderr, "%d %s\n", mysql_errno(mysql), mysql_error(mysql) );
        return RES_DB_QUERY_ERROR;
    }
    *gidsLen = mysql_num_rows( result );
    dst = new groupid_t[ *gidsLen ];
    for( int i = 0; ( row = mysql_fetch_row(result) ) != 0 && i < *gidsLen ; i++ ){
        dst[ i ] = atoi( row[ 0 ] );
    }
    mysql_free_result( result );
    *gids = dst;
    
    return RES_OK;
/*
    if( mysql == NULL ) return RES_DB_NOT_INITIALIZED;
    if( !isValidSessionID( sid ) ) return RES_NO_SUCH_SESSION;
    
    string sql;
    MYSQL_RES* result;
    MYSQL_ROW row;
    groupid_t* dst = 0;
    
    //繧ｰ繝ｫ繝ｼ繝玲焚繧呈ｱゅａ繧?/span>
    sql = "SELECT COUNT(*) FROM " + dbprefix + "_vpaccount_groups ";
    sql += criteria2str( cri );
    if( mysql_query( mysql, sql.c_str( ) ) ){
        fprintf( stderr, "%d %s\n", mysql_errno(mysql), mysql_error(mysql) );
        return RES_DB_QUERY_ERROR;
    }
    result = mysql_store_result( mysql ) ;
    if( row = mysql_fetch_row(result) ){
        *gidsLen = atoi( row[ 0 ] );
        dst = new groupid_t[ *gidsLen ];
    }else{
        mysql_free_result( result );
        return RES_ERROR;
    }
    mysql_free_result( result );
    
    sql = "SELECT gid, gname, gdesc FROM " + dbprefix + "_vpaccount_groups ";
    sql += criteria2str( cri );
    if( mysql_query( mysql, sql.c_str( ) ) ){
        fprintf( stderr, "%d %s\n", mysql_errno(mysql), mysql_error(mysql) );
        return RES_DB_QUERY_ERROR;
    }
    
    result = mysql_use_result( mysql ) ;
    for( int i = 0; ( row = mysql_fetch_row(result) ) != 0 && i < *gidsLen ; i++ ){
        dst[ i ] = atoi( row[ 0 ] );
    }
    mysql_free_result( result );
    *gids = dst;
    
    return RES_OK;
*/
}

/**
 * 
 * 繧ｰ繝ｫ繝ｼ繝礼ｮ｡逅???D繧貞叙蠕励☆繧?/span>
 * 
 * @param sid 繧ｻ繝?す繝ｧ繝ｳID
 * @param gid 蝠上＞蜷医ｏ縺帙ｋ繧ｰ繝ｫ繝ｼ繝励ｒID縺ｧ謖?ｮ壹☆繧?/span>
 * @param cri 邨先棡縺ｮ遽?峇謖?ｮ夲ｼ後た繝ｼ繝域擅莉ｶ謖?ｮ?/span>
 * @param uids 邂｡逅????UID縺ｮ驟榊?繧貞女縺大叙繧九?繧､繝ｳ繧ｿ
 * @param uidsLen uids驟榊?縺ｮ隕∫ｴ?謨ｰ
 * @return RES_OK
 * @return RES_DB_NOT_INITIALIZED
 * @return RES_NO_SUCH_SESSION
 * @return RES_DB_QUERY_ERROR
 * @return RES_ERROR 
 * 
 */
result_t dumpGroupAdmins( sessionid_t sid, groupid_t gid, criteria_t* cri, userid_t** uids, int* uidsLen )
{
    if( mysql == NULL ) return RES_DB_NOT_INITIALIZED;
    if( !isValidSessionID( sid ) ) return RES_NO_SUCH_SESSION;
    
    string sql;
    MYSQL_RES* result;
    MYSQL_ROW row;
    userid_t* dst = 0;
    
    sql = "SELECT uid FROM " + dbprefix + "_vpaccount_groups_users_link ";
    sql += " WHERE is_admin=1";
    if( mysql_query( mysql, sql.c_str( ) ) ){
        fprintf( stderr, "%d %s\n", mysql_errno(mysql), mysql_error(mysql) );
        return RES_DB_QUERY_ERROR;
    }
    
    result = mysql_store_result( mysql );
    if( result == NULL ){
        fprintf( stderr, "%d %s\n", mysql_errno(mysql), mysql_error(mysql) );
        return RES_DB_QUERY_ERROR;
    }
    
    *uidsLen = mysql_num_rows( result );
    dst = new userid_t[ *uidsLen ];
    for( int i = 0; ( row = mysql_fetch_row(result) ) != 0 && i < *uidsLen ; i++ ){
        dst[ i ] = atoi( row[ 0 ] );
    }
    mysql_free_result( result );
    *uids = dst;
    
    return RES_OK;
}

/**
 * 
 * 繧ｰ繝ｫ繝ｼ繝玲園螻槭Θ繝ｼ繧ｶ蜑企勁
 * 
 * @param 
 * @return 
 * 
 */
result_t deleteMember( sessionid_t sid, groupid_t gid, userid_t uid )
{
    if( mysql == NULL ) return RES_DB_NOT_INITIALIZED;
    if( !isValidSessionID( sid ) ) return RES_NO_SUCH_SESSION;
    if( !uidExists( uid ) ) return RES_NO_SUCH_USER; //uid縺ｮ蟄伜惠繧偵メ繧ｧ繝?け
    if( !gidExists( gid ) ) return RES_NO_SUCH_GROUP; //gid縺ｮ蟄伜惠繧偵メ繧ｧ繝?け
    
    string sql;
    
    sql = "DELETE FROM " + dbprefix + "_vpaccount_groups_users_link ";
    sql += "WHERE gid=" + string( unsignedIntToString( gid ) );
    sql += " AND uid=" + string( unsignedIntToString( uid ) );
    if( mysql_query( mysql, sql.c_str( ) ) ){
        fprintf( stderr, "%d %s\n", mysql_errno(mysql), mysql_error(mysql) );
        return RES_DB_QUERY_ERROR;
    }
    return RES_OK;
}

/**
 * 
 * 繧ｰ繝ｫ繝ｼ繝玲園螻槭Θ繝ｼ繧ｶ霑ｽ蜉?
 * 
 * @param sid 繧ｻ繝?す繝ｧ繝ｳID
 * @param gid 謇?螻槫?繧ｰ繝ｫ繝ｼ繝励?ID
 * @param uid 謇?螻槭＆縺帙ｋ繝ｦ繝ｼ繧ｶ縺ｮID
 * @param admin 邂｡逅???ｨｩ髯舌ｒ荳弱∴繧九↑繧液rue
 * @return RES_OK
 * @return RES_DB_NOT_INITIALIZED
 * @return RES_NO_SUCH_SESSION
 * @return RES_DB_QUERY_ERROR
 * @return RES_ERROR 
 * 
 */
result_t insertMember( sessionid_t sid, groupid_t gid, userid_t uid, bool admin )
{
    if( mysql == NULL ) return RES_DB_NOT_INITIALIZED;
    if( !isValidSessionID( sid ) ) return RES_NO_SUCH_SESSION;
    if( !uidExists( uid ) ) return RES_NO_SUCH_USER; //uid縺ｮ蟄伜惠繧偵メ繧ｧ繝?け
    if( !gidExists( gid ) ) return RES_NO_SUCH_GROUP; //gid縺ｮ蟄伜惠繧偵メ繧ｧ繝?け
    
    string sql;
    MYSQL_RES* result;
    MYSQL_ROW row;
    groupid_t* dst = 0;
    result_t res;
    
    //繝｡繝ｳ繝舌?繧定ｿｽ蜉?
    sql = "INSERT INTO " + dbprefix + "_vpaccount_groups_users_link ( gid, uid, is_admin ) VALUES (";
    sql += string( unsignedIntToString( gid ) ) + ", ";
    sql += string( unsignedIntToString( uid ) ) + ", ";
    sql += string( admin ? "1" : "0" ) + ") ";
    if( mysql_query( mysql, sql.c_str( ) ) ){
        fprintf( stderr, "%d %s\n", mysql_errno(mysql), mysql_error(mysql) );
        return RES_DB_QUERY_ERROR;
    }
    return RES_OK;
}

/**
 * 
 * 繧ｰ繝ｫ繝ｼ繝玲園螻槭Θ繝ｼ繧ｶ蜿門ｾ?/span>
 * 
 * @param 
 * @return 
 * 
 */
result_t getMembers( sessionid_t sid, groupid_t gid, criteria_t* cri, userid_t** uids, int* uidsLen )
{
    if( mysql == NULL ) return RES_DB_NOT_INITIALIZED;
    if( !isValidSessionID( sid ) ) return RES_NO_SUCH_SESSION;
    if( !gidExists( gid ) ) return RES_NO_SUCH_GROUP; //gid縺ｮ蟄伜惠繧偵メ繧ｧ繝?け
    
    string sql;
    MYSQL_RES* result;
    MYSQL_ROW row;
    userid_t* dst = 0;
    int len = 0;
    
    //繝｡繝ｳ繝舌?謨ｰ繧呈ｱゅａ縺ｦ繝｡繝｢繝ｪ遒ｺ菫?/span>
    sql = "SELECT COUNT(*) FROM " + dbprefix + "_vpaccount_groups_users_link ";
    sql += " WHERE gid=" + string( unsignedIntToString( gid ) );
    if( mysql_query( mysql, sql.c_str( ) ) ){
        fprintf( stderr, "%s\n", sql.c_str( ) );
        fprintf( stderr, "%d %s\n", mysql_errno(mysql), mysql_error(mysql) );
        return RES_DB_QUERY_ERROR;
    }
    result = mysql_store_result( mysql ) ;
    if( row = mysql_fetch_row(result) ){
        len = atoi( row[ 0 ] );
        dst = new userid_t[ len ];
    }else{
        mysql_free_result( result );
        return RES_ERROR;
    }
    mysql_free_result( result );
    
    sql = "SELECT uid, gid, is_admin FROM " + dbprefix + "_vpaccount_groups_users_link ";
    sql += " WHERE gid=" + string( unsignedIntToString( gid ) );
    sql += " " + string( criteria2str( cri ) );
    if( mysql_query( mysql, sql.c_str( ) ) ){
        fprintf( stderr, "%d %s\n", mysql_errno(mysql), mysql_error(mysql) );
        delete[] dst;
        *uidsLen = 0;
        return RES_DB_QUERY_ERROR;
    }
    *uidsLen = 0;
    result = mysql_use_result( mysql ) ;
    for( int i = 0; ( row = mysql_fetch_row(result) ) != 0 && i < len ; i++ ){
        dst[ i ] = atoi( row[ 0 ] );
        ( *uidsLen )++;
    }
    mysql_free_result( result );
    *uids = dst;
    return RES_OK;
}

/**
 * 
 * 繧ｰ繝ｫ繝ｼ繝励?蜑企勁
 * 
 * @param 
 * @return RES_OK
 * @return RES_DB_QUERY_ERROR
 * @return RES_NO_SUCH_SESSION
 * @return RES_DB_NOT_INITIALIZED
 * 
 */
result_t deleteGroup( sessionid_t sid, groupid_t gid )
{
    if( mysql == NULL ) return RES_DB_NOT_INITIALIZED;
    if( !isValidSessionID( sid ) ) return RES_NO_SUCH_SESSION;
    
    string sql;
    sql = "DELETE FROM " + dbprefix + "_vpaccount_groups ";
    sql += "WHERE gid = " + string( unsignedIntToString( gid ) );
    if( mysql_query( mysql, sql.c_str( ) ) ){
        fprintf( stderr, "%s\n", sql.c_str( ) );
        fprintf( stderr, "%d %s\n", mysql_errno(mysql), mysql_error(mysql) );
        return RES_DB_QUERY_ERROR;
    }
    return RES_OK;
}

/**
 * 
 * 繧ｰ繝ｫ繝ｼ繝励?逋ｻ骭ｲ
 * 
 * @param sid 繧ｻ繝?す繝ｧ繝ｳID
 * @param group 逋ｻ骭ｲ縺励◆縺?げ繝ｫ繝ｼ繝励?諠??ｱ
 * @return RES_OK
 * @return RES_DB_NOT_INITIALIZED
 * @return RES_NO_SUCH_SESSION
 * @return RES_DB_QUERY_ERROR
 * 
 */
result_t insertGroup( sessionid_t sid, const group_t* group )
{
    if( mysql == NULL ) return RES_DB_NOT_INITIALIZED;
    if( !isValidSessionID( sid ) ) return RES_NO_SUCH_SESSION;
    
    string sql;
    sql = "INSERT INTO " + dbprefix + "_vpaccount_groups ( gname, gdesc ) VALUES (";
    sql += "'" + string( addSlashes( group -> getGname( ) ) ) + "', ";
    sql += "'" + string( addSlashes( group -> getDesc( ) ) ) + "' )";
    if( mysql_query( mysql, sql.c_str( ) ) ){
        fprintf( stderr, "%s\n", sql.c_str( ) );
        fprintf( stderr, "%d %s\n", mysql_errno(mysql), mysql_error(mysql) );
        return RES_DB_QUERY_ERROR;
    }
    return RES_OK;
}

/**
 * 
 * 繧ｰ繝ｫ繝ｼ繝玲ュ蝣ｱ繧貞､画峩縺吶ｋ
 * 
 * @param sid 繧ｻ繝?す繝ｧ繝ｳID
 * @param group 譁ｰ縺励＞繧ｰ繝ｫ繝ｼ繝玲ュ蝣ｱ
 * @return RES_OK
 * @return RES_ERROR
 * @return RES_DB_NOT_INITIALIZED
 * @return RES_NO_SUCH_SESSION
 * @return RES_NO_SUCH_GROUP
 * @return RES_DB_QUERY_ERROR
 * 
 */
result_t updateGroup( sessionid_t sid, const group_t* group )
{
    if( mysql == NULL ) return RES_DB_NOT_INITIALIZED;
    if( group == NULL ) return RES_ERROR;
    if( !isValidSessionID( sid ) ) return RES_NO_SUCH_SESSION;
    if( !gidExists( group -> getGID( ) ) ) return RES_NO_SUCH_GROUP;
    
    string sql;
    sql = "UPDATE " + dbprefix + "_vpaccount_groups SET ";
    sql += "gname='" + string( addSlashes( group -> getGname( ) ) ) + "', ";
    sql += "gdesc='" + string( addSlashes( group -> getDesc( ) ) ) + "' ";
    sql += "WHERE gid=" + string( unsignedIntToString( group -> getGID( ) ) );
    if( mysql_query( mysql, sql.c_str( ) ) ){
        fprintf( stderr, "%s\n", sql.c_str( ) );
        fprintf( stderr, "%d %s\n", mysql_errno(mysql), mysql_error(mysql) );
        return RES_DB_QUERY_ERROR;
    }
    return RES_OK;
}

/**
 * 
 * 繧ｰ繝ｫ繝ｼ繝玲ュ蝣ｱ蜿門ｾ?/span>
 * 
 * @param sid 繧ｻ繝?す繝ｧ繝ｳID
 * @param gid 蜿門ｾ励＠縺溘＞繧ｰ繝ｫ繝ｼ繝励?GID
 * @param group 蜿門ｾ励＠縺溘げ繝ｫ繝ｼ繝玲ュ蝣ｱ縺ｮ繧｢繝峨Ξ繧ｹ繧呈嶌縺崎ｾｼ繧?繝昴う繝ｳ繧ｿ
 * @return RES_OK
 * @return RES_DB_NOT_INITIALIZED
 * @return RES_NO_SUCH_SESSION
 * @return RES_NO_SUCH_GROUP
 * @return RES_DB_QUERY_ERROR
 * 
 */
result_t getGroup( sessionid_t sid, groupid_t gid, const group_t** group )
{
    int len;
    static criteria c;
    result_t res = getGroups( sid, &gid, 1, &c, group, &len );
    if( len == 0 ) return RES_NO_SUCH_GROUP;
    return res;
}

/**
 * 
 * 隍?焚縺ｮ繧ｰ繝ｫ繝ｼ繝玲ュ蝣ｱ繧剃ｸ?蠎ｦ縺ｫ蜿門ｾ励☆繧?
 * 
 * @param sid 繧ｻ繝?す繝ｧ繝ｳID
 * @param gids 蜿門ｾ励＠縺溘＞繧ｰ繝ｫ繝ｼ繝励?GID縺ｮ驟榊?
 * @param gidsLen gids驟榊?縺ｮ隕∫ｴ?謨ｰ
 * @param cri 邨先棡縺ｮ蜿門ｾ礼ｯ?峇?後た繝ｼ繝域擅莉ｶ繧呈欠螳?/span>
 * @param groups 蜿門ｾ礼ｵ先棡縺ｮ繧ｰ繝ｫ繝ｼ繝玲ュ蝣ｱ縺ｮ驟榊?縺ｮ繧｢繝峨Ξ繧ｹ繧呈嶌縺崎ｾｼ繧?繝昴う繝ｳ繧ｿ
 * @param groupsLen 蜿門ｾ礼ｵ先棡縺ｮ驟榊?縺ｮ隕∫ｴ?謨ｰ
 * @return RES_OK
 * @return RES_DB_NOT_INITIALIZED
 * @return RES_NO_SUCH_SESSION
 * @return RES_DB_QUERY_ERROR
 * 
 */
result_t getGroups( sessionid_t sid, groupid_t* gids, int gidsLen, criteria_t* cri, const group_t** groups, int* groupsLen )
{
    if( mysql == NULL ) return RES_DB_NOT_INITIALIZED;
    if( !isValidSessionID( sid ) ) return RES_NO_SUCH_SESSION;
    
    string sql;
    MYSQL_RES* result;
    MYSQL_ROW row;
    group_t* dst = new group_t[ gidsLen ];
    
    sql += "SELECT gid, gname, gdesc ";
    sql += "FROM " + dbprefix + "_vpaccount_groups ";
    sql += "WHERE gid=" + string( unsignedIntToString( gids[ 0 ] ) );
    for( int i = 1; i < gidsLen; i++ ){
        sql += " OR gid=" + string( unsignedIntToString( gids[ i ] ) );
    }
    sql += criteria2str( cri );
    if( mysql_query( mysql, sql.c_str( ) ) ){
        fprintf( stderr, "%s\n", sql.c_str( ) );
        fprintf( stderr, "%d %s\n", mysql_errno(mysql), mysql_error(mysql) );
        return RES_DB_QUERY_ERROR;
    }
    result = mysql_use_result( mysql ) ;
    *groupsLen=0;
    for( int i = 0; ( row = mysql_fetch_row(result) ) != 0 && i < gidsLen ; i++ ){
        dst[ i ].setGID( atoi( row[ 0 ] ) );
        dst[ i ].setGname( row[ 1 ] );
        dst[ i ].setDesc( row[ 2 ] );
        ( *groupsLen )++;
    }
    mysql_free_result( result );
    *groups = dst;
    return RES_OK;
}

/**
 * 
 * 繝｢繝?Ξ繝ｼ繧ｿ讓ｩ髯舌?譛臥┌繧定ｿ斐☆
 * 
 * @param sid 繧ｻ繝?す繝ｧ繝ｳID
 * @param uid 蝠上＞蜷医ｏ縺帙◆縺?Θ繝ｼ繧ｶ縺ｮUID
 * @return true 讓ｩ髯舌≠繧?/span>
 * @return false 讓ｩ髯舌↑縺?/span>
 * 
 */
bool isModerator( sessionid_t sid, userid_t uid )
{
    if( mysql == NULL ) return false;
    if( !isValidSessionID( sid ) ) return false;
    //if( !uidExists( uid ) ) return false;
    
    string sql;
    MYSQL_RES* result;
    MYSQL_ROW row;
    groupid_t* dst = 0;
    result_t res;
    
    sql = "SELECT value FROM " + dbprefix + "_vpaccount_config";
    sql += " WHERE name='moderator_gid'";
    if( mysql_query( mysql, sql.c_str( ) ) ){
        fprintf( stderr, "%s\n", sql.c_str( ) );
        fprintf( stderr, "%d %s\n", mysql_errno(mysql), mysql_error(mysql) );
        return false;
    }
    result = mysql_store_result( mysql ) ;
    if( result == NULL ){
        fprintf( stderr, "%d %s\n", mysql_errno(mysql), mysql_error(mysql) );
        return false;
    }
    if( row = mysql_fetch_row(result) ){
        sql = "SELECT * from " + dbprefix + "_groups_users_link ";
        sql += "WHERE groupid=" + string( row[ 0 ] );
        sql += " AND uid=" + string( unsignedIntToString( uid ) );
        mysql_free_result( result );
        
        if( mysql_query( mysql, sql.c_str( ) ) ){
            fprintf( stderr, "%d %s\n", mysql_errno(mysql), mysql_error(mysql) );
            return false;
        }
        result = mysql_store_result( mysql );
        if( result == NULL ){
            fprintf( stderr, "%d %s\n", mysql_errno(mysql), mysql_error(mysql) );
            return false;
        }
        if( !mysql_fetch_row(result) ){
            mysql_free_result( result );
            return false;
        }
        mysql_free_result( result );
        return true;
    }else{
        mysql_free_result( result );
        return false;
    }
}

/**
 * 
 * 繝ｦ繝ｼ繧ｶID蜿門ｾ?/span>
 * 
 * @param uname ID繧貞叙蠕励＠縺溘＞繝ｦ繝ｼ繧ｶ繝ｼ蜷?/span>
 * @param uid ID繧剃ｻ｣蜈･縺励◆縺?､画焚縺ｮ繝昴う繝ｳ繧ｿ
 * @return RES_ERROR
 * @return RES_OK 
 * @refer result_t
 * 
 */
result_t getUid( const char* uname, userid_t* uid )
{
    if( mysql == NULL ) return RES_DB_NOT_INITIALIZED;
    if( uname == NULL ) return RES_ERROR;
    
    string sql;
    string uname2 = addSlashes( uname );
    sql = "SELECT uid FROM " + dbprefix + "_users WHERE uname='" + uname2 + "';";
    if( mysql_query( mysql, sql.c_str( ) ) ){
        fprintf( stderr, "%d %s\n", mysql_errno(mysql), mysql_error(mysql) );
        return RES_DB_QUERY_ERROR;
    }
    MYSQL_RES* result = mysql_store_result( mysql ) ;
    MYSQL_ROW row = mysql_fetch_row(result);
    if( row ){
        *uid = atoi( row[0] );
        mysql_free_result( result );
        return RES_OK;
    }else{
        mysql_free_result( result );
        return RES_NO_SUCH_USER;
    }
}

/**
 * 
 * 繧ｻ繝?す繝ｧ繝ｳ繧剃ｽ懈?縺踊oops_vpaccount_session縺ｫ譖ｸ縺崎ｾｼ繧?縲 sessionid_t繧痴ession縺ｫ霑斐☆縲?/span>
 * 
 * @param uid xoops_users縺ｮuid
 * @param session sessionid_t繧貞女縺大叙繧九◆繧√?繝昴う繝ｳ繧ｿ縲?/span>
 * @return RES_OK 謌仙粥
 * @return RES_DB_QUERY_ERROR DB蝠上＞蜷医ｏ縺帑ｸｭ縺ｮ繧ｨ繝ｩ繝ｼ
 */
static result_t addSession( userid_t uid, sessionid_t* session )
{
    result_t ret;
    string sql = "INSERT INTO " + dbprefix + "_vpaccount_session (uid) values (" + 
      unsignedIntToString(uid) + ")";
    if ( 0 == mysql_query( mysql, sql.c_str() ) ){
        *session = (int)mysql_insert_id(mysql);
        ret = RES_OK;
    }
    else {
        ret = RES_DB_QUERY_ERROR;
    }
    return ret;
}


/**
 * 
 * 繝ｭ繧ｰ繧､繝ｳ隱崎ｨｼ縺ｨ繧ｻ繝?す繝ｧ繝ｳ菴懈?
 * 
 * @param uname 繝ｭ繧ｰ繧､繝ｳ蜷?/span>
 * @param passwd 繝代せ繝ｯ繝ｼ繝?/span>
 * @param session sessionid_t繧貞女縺大叙繧九◆繧√?繝昴う繝ｳ繧ｿ縲?/span>
 * @return RES_OK 繝ｭ繧ｰ繧､繝ｳ謌仙粥縲Ｔession縺ｫsessionid_t繧呈嶌縺崎ｾｼ繧薙□縲?/span>
 * @return RES_LOGIN_FAILURE uname縺ｾ縺溘?passwd縺檎焚蟶ｸ
 * @return RES_DB_QUERY_ERROR DB蝠上＞蜷医ｏ縺帑ｸｭ縺ｮ繧ｨ繝ｩ繝ｼ
 * 
 */
result_t loginUser(const char* uname, const char* passwd, sessionid_t* session )
{
    if( mysql == NULL ) return RES_DB_NOT_INITIALIZED;
    
    result_t ret;
    string sql;
    
    // uname, passwd -> uid
    string escUname = addSlashes( uname );
    string escPasswd = addSlashes( passwd );
    sql = "SELECT uid FROM " + dbprefix + "_users WHERE uname='" + escUname + "' and pass=md5('" + escPasswd + "')";
    if( 0 == mysql_query( mysql, sql.c_str( ) ) ){
        MYSQL_RES* result = mysql_store_result( mysql );
        if( result ){
            MYSQL_ROW row = mysql_fetch_row(result);
            if( row ){
                userid_t uid = atoi(row[0]);
                ret = addSession( uid, session );
            }else{
                ret = RES_LOGIN_FAILURE;
            }
            mysql_free_result( result );
        }else {
            ret = RES_DB_QUERY_ERROR;
        }
    }else{
        ret = RES_DB_QUERY_ERROR;
    }
    
    return ret;
}

/**
 * 
 * 繝ｭ繧ｰ繧｢繧ｦ繝医→繧ｻ繝?す繝ｧ繝ｳ邨ゆｺ?/span>
 * 
 * @param sid session id
 * @return 縺ｪ縺?/span>
 * 
 */
void logoutUser( sessionid_t sid )
{
    result_t ret;
    string sql;
    
    sql = "DELETE FROM " + dbprefix + "_vpaccount_session WHERE sid=" + intToString((int)sid);
    if ( 0 == mysql_query( mysql, sql.c_str() ) ){
        if ( mysql_affected_rows(mysql) == 1 ){
            // 繝ｭ繧ｰ繧｢繧ｦ繝医＠縺?/span>
        }
        else {
            // sid縺檎┌蜉ｹ
        }
    }
    else {
        // DB蝠上＞蜷医ｏ縺帑ｸｭ縺ｮ繧ｨ繝ｩ繝ｼ
    }
}

/**
 * 
 * 繧ｻ繝?す繝ｧ繝ｳ縺ｮ菴懈?.<br>
 * XOOPS縺ｮsession繝??繝悶Ν縺ｫ險倬鹸縺輔ｌ縺殱ess_id縺ｨ蠑墓焚sessionid縺檎ｭ峨＠縺代ｌ
 * 縺ｰ?茎ession_t繧剃ｽ懈?縺吶ｋ縲?/span>
 * 繝??繧ｿ繝吶?繧ｹ縺ｫ繧ｻ繝?す繝ｧ繝ｳ縺ｨ蠑墓焚縺ｮ諠??ｱ繧定ｨ倬鹸縺吶ｋ
 * 
 * @param sessionid xoops縺ｮsession_id
 * @param uid  xoops_users縺ｮuid
 * @param session sessionid_t繧貞女縺大叙繧九◆繧√?繝昴う繝ｳ繧ｿ縲?/span>
 * @return RES_OK
 * @return RES_ERROR
 * @return RES_DB_QUERY_ERROR
 *
 */
result_t createSession( const char* sessionid, userid_t uid, sessionid_t* session )
{
    if( mysql == NULL ) return RES_DB_NOT_INITIALIZED;
    
    result_t ret;
    string sql;
    
    string escSessionid = addSlashes(sessionid);
    sql = "SELECT sess_id from " + dbprefix + "_session where sess_id='" + escSessionid + "'";
    if( 0 == mysql_query( mysql, sql.c_str( ) ) ){
        MYSQL_RES* result = mysql_store_result( mysql );
        if( result ){
            MYSQL_ROW row = mysql_fetch_row(result);
            if( row ){
                ret = addSession( uid, session );
            }else{
                ret = RES_ERROR;
            }
            mysql_free_result( result );
        }else {
            ret = RES_DB_QUERY_ERROR;
        }
    }else{
        ret = RES_DB_QUERY_ERROR;
    }
    
    return ret;
}

/**
 * 
 * 繧ｻ繝?す繝ｧ繝ｳ縺ｮ隧ｳ邏ｰ繧痴ession_t縺ｧ蜿門ｾ励☆繧?<br>
 * 
 * @param sess_id
 * @param session
 * @return 
 *
 */
result_t getSession( sessionid_t sess_id, const session_t** ppsession )
{
    if( mysql == NULL ) return RES_DB_NOT_INITIALIZED;
    
    result_t ret;
    string sql;
    
    sql = "SELECT sid, uid, unix_timestamp(timestamp) from " + dbprefix + 
      "_vpaccount_session where sid=" + unsignedIntToString((unsigned int)sess_id);
    if( 0 == mysql_query( mysql, sql.c_str( ) ) ){
        MYSQL_RES* result = mysql_store_result( mysql );
        if( result ){
            MYSQL_ROW row = mysql_fetch_row(result);
            if( row ){
                session_t *p = new session[1];
                p->setSessionID(sess_id);
                p->setUserID(atoi(row[1]));
                p->setDate(atoi(row[2]));
                *ppsession = p;
                ret = RES_OK;
            }else{
                ret = RES_NO_SUCH_SESSION;
            }
            mysql_free_result( result );
        }else {
            ret = RES_DB_QUERY_ERROR;
        }
    }else{
        ret = RES_DB_QUERY_ERROR;
    }
    
    return ret;
}

/**
 * 
 * 繧ｻ繝?す繝ｧ繝ｳ縺ｮ豁｣蠖捺?ｧ繧偵メ繧ｧ繝?け縺吶ｋ.
 * 
 * @param sid 繝√ぉ繝?け縺励◆縺гession
 * @return true 豁｣蠖?/span>
 * @return false 荳肴ｭ｣
 *
 */
bool isValidSessionID( sessionid_t sid )
{
    if( mysql == NULL ) return false;
    
    string sql;
    string sidstr;
    char buf[ 12 ];
    snprintf( buf, 12, "%d", sid );
    
    sql = "SELECT * FROM " + dbprefix + "_vpaccount_session WHERE sid=" + string( buf );
    if( mysql_query( mysql, sql.c_str( ) ) ){
        return false;
    }
    MYSQL_RES* result = mysql_store_result( mysql ) ;
    MYSQL_ROW row = mysql_fetch_row(result);
    if( row ){
        return true;
    }else{
        return false;
    }
    mysql_free_result( result );
}

void freeResult( const account_t* ptr ){ delete[] ( account_t* )ptr; }
void freeResult( const group_t* ptr ){ delete[] ( group_t* )ptr; }
void freeResult( const session_t* ptr ){ delete[] ( session_t* )ptr; }
void freeResult( const int* ptr ){ delete[] ( int* )ptr; }

static string errstr;
const char* getLastErrorString()
{
    return errstr.c_str( );
}

void setLastErrorString( const char* str )
{
    errstr = str;
}