int repeat;
public Tester() {
actions = new ArrayList<>();
parser = new SQLParser();
parser.setNodeFactory(new BindingNodeFactory(parser.getNodeFactory()));
compilerProperties = new Properties();
unparser = new BoundNodeToString();
typeComputer = new AISTypeComputer();
booleanNormalizer = new BooleanNormalizer(parser);
subqueryFlattener = new SubqueryFlattener(parser);