String expression = request.getParameter("expression");
String newColumnName = request.getParameter("newColumnName");
int columnInsertIndex = Integer.parseInt(request.getParameter("columnInsertIndex"));
String onError = request.getParameter("onError");
return new ColumnAdditionOperation(
engineConfig,
baseColumnName,
expression,
TextTransformOperation.stringToOnError(onError),
newColumnName,