private async void ShowColumnMappingSelector(string referenceTableName, List <ForeignKeyColumn> mappings)
{
frmColumnMapping form = new frmColumnMapping()
{
ReferenceTableName = referenceTableName, TableName = this.txtTableName.Text.Trim(), Mappings = mappings
};
IEnumerable <TableColumnDesingerInfo> columns = this.ucColumns.GetColumns().Where(item => !string.IsNullOrEmpty(item.Name));
form.TableColumns = columns.OrderBy(item => item.Name).Select(item => item.Name).ToList();
DbInterpreter dbInterpreter = this.GetDbInterpreter();
dbInterpreter.Option.ObjectFetchMode = DatabaseObjectFetchMode.Simple;
SchemaInfoFilter filter = new SchemaInfoFilter()
{
TableNames = new string[] { referenceTableName }
};
List <TableColumn> referenceTableColumns = await dbInterpreter.GetTableColumnsAsync(filter);
if (referenceTableName == this.selfTableName)
{
form.ReferenceTableColumns = this.ucColumns.GetColumns().Select(item => item.Name).ToList();
}
else
{
form.ReferenceTableColumns = referenceTableColumns.Select(item => item.Name).ToList();
}
if (form.ShowDialog() == DialogResult.OK)
{
this.ucForeignKeys.SetRowColumns(form.Mappings);
}
}
public virtual async Task <DiagnoseResult> DiagnoseNotNullWithEmpty()
{
this.Feedback("Begin to diagnose not null fields with empty value...");
DiagnoseResult result = new DiagnoseResult();
DbInterpreterOption option = new DbInterpreterOption()
{
ObjectFetchMode = DatabaseObjectFetchMode.Simple
};
DbInterpreter interpreter = DbInterpreterHelper.GetDbInterpreter(this.DatabaseType, this.connectionInfo, option);
this.Feedback("Begin to get table columns...");
List <TableColumn> columns = await interpreter.GetTableColumnsAsync();
this.Feedback("End get table columns.");
var groups = columns.Where(item => DataTypeHelper.IsCharType(item.DataType) && !item.IsNullable)
.GroupBy(item => new { item.Owner, item.TableName });
using (DbConnection dbConnection = interpreter.CreateConnection())
{
foreach (var group in groups)
{
foreach (TableColumn column in group)
{
string countSql = this.GetTableColumnEmptySql(interpreter, column, true);
this.Feedback($@"Begin to get invalid record count for column ""{column.Name}"" of table ""{column.TableName}""...");
int count = Convert.ToInt32(await interpreter.GetScalarAsync(dbConnection, countSql));
this.Feedback($@"End get invalid record count for column ""{column.Name}"" of table ""{column.TableName}"", the count is {count}.");
if (count > 0)
{
result.Details.Add(new DiagnoseResultItem()
{
DatabaseObject = column,
RecordCount = count,
Sql = this.GetTableColumnEmptySql(interpreter, column, false)
});
}
}
}
}
this.Feedback("End diagnose not null fields with empty value.");
return(result);
}
