private void LoadData()
{
using (var transaction = new DBTransaction())
{
var command = transaction.AddCommand("");
foreach (TableItemNode node in listObjects.Nodes)
{
if (node.Item is DBTable table && table.IsLoging && table.StatusKey != null)
{
var filter = table.GetStatusParam(DBStatus.New | DBStatus.Edit | DBStatus.Delete);
command.CommandText = table.BuildQuery("where " + filter.Format(), "a", null, "count(*)");
object count = transaction.ExecuteQuery(command, DBExecuteType.Scalar);
node.Count = int.Parse(count.ToString());
node.Visible = count.ToString() != "0";
}
}
}
}
public object Execute(ExecuteEventArgs arg)
{
object flag = null;
var regex = new Regex(@"\s*go\s*(\n|$)", RegexOptions.IgnoreCase);
string[] split = regex.Split(arg.Query);
foreach (string s in split)
{
string query = s.Trim();
if (query.Length == 0)
{
continue;
}
if (arg.Cancel)
{
break;
}
using (var transaction = new DBTransaction(arg.Schema.Connection))
{
var command = transaction.AddCommand(query);
command.CommandTimeout = 30000;
try
{
arg.Table.Access = null;
using (transaction.Reader = transaction.ExecuteQuery(command, DBExecuteType.Reader) as IDataReader)
{
arg.Table.CheckColumns(transaction);
Application.Invoke(() => list.ResetColumns());
while (transaction.Reader.Read())
{
if (arg.Cancel)
{
command.Cancel();
break;
}
if (arg.Table != null)
{
arg.Table.Add(arg.Table.LoadItemFromReader(transaction));
flag = arg.Table.Count;
}
else
{
flag = transaction.Reader.GetValue(0);
break;
}
}
transaction.Reader.Close();
}
if (GuiService.Main != null)
{
GuiService.Main.SetStatus(new StateInfo("Data Query", "Execution complete!", s));
}
}
catch (Exception ex)
{
if (GuiService.Main != null)
{
GuiService.Main.SetStatus(new StateInfo("Data Query", ex.Message, s, StatusType.Error));
}
flag = ex;
break;
}
if (!(flag is Exception))
{
transaction.Commit();
}
}
}
return(flag);
}
