public override void InitializeRepository()
{
base.InitializeRepository();
if (_InitCommands == null)
CreateInitCommands();
if (_Connection.State != ConnectionState.Open)
{
_Connection.Open();
}
try
{
foreach (ISQLExpression expression in _InitCommands)
{
IDbCommand cmd = null;
CreateTableSQLCommand ctCommand = expression as CreateTableSQLCommand;
if (ctCommand != null)
{
DropTableSQLCommand delete_query = new DropTableSQLCommand(ctCommand.TagMapping, ctCommand.TableName);
foreach (string sql in _Dialect.RenderQueries(delete_query, _Driver))
{
try
{
_Transaction = _Connection.BeginTransaction();
cmd = _Driver.CreateCommand(sql, _Connection, _Transaction);
if (TraceSqlSwitch.Enabled)
{
TraceHelpler.Trace(cmd, _Dialect);
}
cmd.ExecuteNonQuery();
_Transaction.Commit();
}
catch (Exception e)
{
_Transaction.Rollback();
System.Diagnostics.Trace.WriteLine(e.Message + " on:\n" + sql);
}
}
foreach (string sql in _Dialect.RenderQueries(ctCommand, _Driver))
{
try
{
_Transaction = _Connection.BeginTransaction();
cmd = _Driver.CreateCommand(sql, _Connection, _Transaction);
if (TraceSqlSwitch.Enabled)
{
TraceHelpler.Trace(cmd, _Dialect);
}
cmd.ExecuteNonQuery();
_Transaction.Commit();
}
catch (Exception e)
{
_Transaction.Rollback();
System.Diagnostics.Trace.WriteLine(e.Message + " on:\n" + sql);
}
}
}
AlterTableSQLCommand atCommand = expression as AlterTableSQLCommand;
if (atCommand != null)
{
foreach (string sql in _Dialect.RenderQueries(atCommand, _Driver))
{
try
{
_Transaction = _Connection.BeginTransaction();
cmd = _Driver.CreateCommand(sql, _Connection, _Transaction);
if (TraceSqlSwitch.Enabled)
{
TraceHelpler.Trace(cmd, _Dialect);
}
cmd.ExecuteNonQuery();
_Transaction.Commit();
}
catch (Exception e)
{
_Transaction.Rollback();
System.Diagnostics.Trace.WriteLine(e.Message + " on:\n" + sql);
// Dropping a constraint might fail during InitializeRepository if it doesn't exist
}
}
}
}
}
finally
{
_Connection.Close();
}
}
public virtual void Visit(DropTableSQLCommand command)
{
// "DROP TABLE {0} "
//if (!string.IsNullOrEmpty(schema))
// _Query.Append(DROP).Append(TABLE).Append(FormatAttribute(schema + DBDialect.DOT + command.TableName)).Append(SPACE);
//else
_Query.Append(DROP).Append(TABLE).Append(FormatAttribute(command.TableName)).Append(SPACE);
}