/// <summary>
/// Gets all datatypes (and updates columns/arguments if already loaded)
/// </summary>
public IList <DataType> DataTypes()
{
var list = _readerAdapter.DataTypes();
DatabaseSchema.DataTypes.Clear();
DatabaseSchema.DataTypes.AddRange(list);
DatabaseSchemaFixer.UpdateDataTypes(DatabaseSchema); //if columns/arguments loaded later, run this method again.
return(list);
}