public bool Parse()
{
try
{
//Fix for mysql.
if (this._dbo.GetDatabaseConnector().getDBType() == DATABASETYPES.MYSQL)
{
this._dbo.GetDatabaseConnector().executeNonQuery("SET AUTOCOMMIT = 0");
this._dbo.GetDatabaseConnector().executeNonQuery("BEGIN");
}
odt = this._dbo.GetDatabaseConnector().GetRawConnectionObject().BeginTransaction();
this.oc = new OdbcCommand();
oc.Connection = odt.Connection;
oc.Transaction = odt;
foreach (string sql in this._transList)
{
//string tmpsql = this._dbo.CompileSQLToNative(sql);
string tmpsql = sql;
if ((tmpsql != "") && tmpsql.Length > 2)
{
if (this._dbo.GetDatabaseConnector().Open() != ERRORCODES.NONE)
{
throw (new Exception("Database connection lost."));
}
oc.CommandText = this._dbo.GetDatabaseConnector().DoTopLevelSqlTranslations(ref tmpsql);
oc.ExecuteNonQuery();
}
}
odt.Commit();
if (this._dbo.GetDatabaseConnector().getDBType() == DATABASETYPES.MYSQL)
this._dbo.GetDatabaseConnector().executeNonQuery("COMMIT");
return true;
}
catch(Exception e)
{
if(e.Message.IndexOf("parallel transactions") > 0) {
// Start new connection and try again.
this._dbo = this._dbo.getNewConnection();
this.Parse();
}
if(this.dbParent.GetDatabaseConnector().GetRawConnectionObject().State == ConnectionState.Closed)
this.dbParent.RaiseDBCloseClause();
try
{
odt.Rollback();
if (this._dbo.GetDatabaseConnector().getDBType() == DATABASETYPES.MYSQL)
this._dbo.GetDatabaseConnector().executeNonQuery("ROLLBACK");
}
catch { /**/ }
this._errorState = 1;
this._errorString = e.Message;
return false;
}
}
public DataTable ExecuteTable(string tableName, string query, OdbcTransaction transaction)
{
try
{
OdbcCommand dbCommand = transaction.Connection.CreateCommand();
dbCommand.Transaction = transaction;
dbCommand.CommandText = query;
OdbcDataAdapter dbDataAdapter = new OdbcDataAdapter(dbCommand);
DataTable dataTable = new DataTable(tableName);
dbDataAdapter.MissingSchemaAction = MissingSchemaAction.Add;
dbDataAdapter.FillSchema(dataTable, SchemaType.Source);
dbDataAdapter.Fill(dataTable);
return dataTable;
}
catch (Exception)
{
transaction.Rollback();
var trace = new System.Diagnostics.StackTrace(true);
var frame = trace.GetFrame(0);
var method = frame.GetMethod();
return null;
}
}
