Hello all! Im am programming on С++ for mysql. I've got a problem with
mysql_fetch_row() function. When I want to make a query foe MySQL
server I do this:
mysql_real_query()
then
mysql_store_result()
and then
mysql_fetch_row()
All was well, but today my program has fallen with an error in
mysql_fetch_row(). mysql_real_query() mysql_store_result() work
properly, but mysql_fetch_row returns NULL. I just don't know what to
do. I've watched all my code near this function and mde query from
another client and it is well. This is my code:
MYSQL_RES *res;
MYSQL_ROW row;
std::stringstream ost;
ost <<"SELECT
Uid,Login,Password,Server,Ips,Logged_in,Locked,Deleted,Multilogin FROM
user_auth WHERE Login = '"<<login<<"';";
string query(ost.str());
if( mysql_real_query( mysql, query.c_str(), query.length() ) != 0)
{
syslog(LOG_ERR,"Tbilling Error. Mysql_real_query() call: %s",
mysql_error( mysql ));
return -1;
}
if( (res = mysql_store_result(mysql) ) == NULL)
{
syslog(LOG_ERR,"Tbilling Error. Mysql_store_result() call: %s",
mysql_error( mysql ));
return -1;
}
syslog(LOG_ERR,"Number of rows is %d",mysql_num_rows(res));
if( ( row = mysql_fetch_row(res)) == NULL)
{
syslog(LOG_ERR,"Tbilling Error. Mysql_fetch_row() call:%s",
mysql_errno( mysql ));
return -1;
}
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