public RaiderRoundMetaDataInfo AddNewRaiderRoundMetaDataInfo(RaiderRoundMetaDataInfo roundInfo)
{
MySqlConnection myconn = null;
MySqlCommand mycmd = null;
try
{
myconn = MyDBHelper.Instance.CreateConnection();
myconn.Open();
//1. Save to DB
string sqlTextA = "insert into raiderroundmetadatainfo (`State`) values ( @State) ;";
mycmd = myconn.CreateCommand();
mycmd.CommandText = sqlTextA;
mycmd.Parameters.AddWithValue("@State", (int)roundInfo.State);
mycmd.ExecuteNonQuery();
mycmd.Dispose();
//2. Select from DB
string sqlTextB = "SELECT * FROM raiderroundmetadatainfo order by id desc limit 1; ";
mycmd = myconn.CreateCommand();
mycmd.CommandText = sqlTextB;
DataTable table = new DataTable();
MySqlDataAdapter adapter = new MySqlDataAdapter(mycmd);
adapter.Fill(table);
var roundInfos = MetaDBAdapter <RaiderRoundMetaDataInfo> .GetRaiderRoundMetaDataInfoFromDataTable(table);
table.Clear();
table.Dispose();
adapter.Dispose();
if (roundInfos == null || roundInfos.Length == 0)
{
return(null);
}
return(roundInfos[0]);
}
finally
{
if (mycmd != null)
{
mycmd.Dispose();
}
MyDBHelper.Instance.DisposeConnection(myconn);
}
}
public RaiderRoundMetaDataInfo[] GetHistoryRaiderRoundRecords(int pageItemCount, int pageIndex)
{
MySqlConnection myconn = null;
MySqlCommand mycmd = null;
try
{
myconn = MyDBHelper.Instance.CreateConnection();
string sqlTextA = "SELECT * FROM raiderroundmetadatainfo where State = @State ";
string sqlOrderLimit = " order by id desc ";
if (pageItemCount > 0)
{
int start = pageIndex <= 0 ? 0 : (pageIndex - 1) * pageItemCount;
sqlOrderLimit += " limit " + start.ToString() + ", " + pageItemCount;
}
string sqlAllText = sqlTextA + sqlOrderLimit;
mycmd = myconn.CreateCommand();
mycmd.CommandText = sqlAllText;
mycmd.Parameters.AddWithValue("@State", (int)RaiderRoundState.Finished);
myconn.Open();
DataTable table = new DataTable();
MySqlDataAdapter adapter = new MySqlDataAdapter(mycmd);
adapter.Fill(table);
var lists = MetaDBAdapter <RaiderRoundMetaDataInfo> .GetRaiderRoundMetaDataInfoFromDataTable(table);
table.Clear();
table.Dispose();
adapter.Dispose();
return(lists);
}
finally
{
if (mycmd != null)
{
mycmd.Dispose();
}
if (myconn != null)
{
myconn.Close();
myconn.Dispose();
}
}
}
public RaiderRoundMetaDataInfo GetLastRaiderRoundMetaDataInfo()
{
MySqlConnection myconn = null;
MySqlCommand mycmd = null;
try
{
myconn = MyDBHelper.Instance.CreateConnection();
string sqlText = "SELECT * FROM raiderroundmetadatainfo order by id desc limit 1; ";
mycmd = myconn.CreateCommand();
mycmd.CommandText = sqlText;
myconn.Open();
DataTable table = new DataTable();
MySqlDataAdapter adapter = new MySqlDataAdapter(mycmd);
adapter.Fill(table);
var roundInfos = MetaDBAdapter <RaiderRoundMetaDataInfo> .GetRaiderRoundMetaDataInfoFromDataTable(table);
table.Clear();
table.Dispose();
adapter.Dispose();
if (roundInfos == null || roundInfos.Length == 0)
{
return(null);
}
return(roundInfos[0]);
}
finally
{
if (mycmd != null)
{
mycmd.Dispose();
}
if (myconn != null)
{
myconn.Close();
myconn.Dispose();
}
}
}
