import com.alibaba.druid.sql.dialect.postgresql.visitor.PGASTVisitorAdapter;
public class PGASTVisitorAdapterTest extends TestCase {
public void test_adapter() throws Exception {
PGASTVisitorAdapter adapter = new PGASTVisitorAdapter();
new WindowClause().accept(adapter);
new FetchClause().accept(adapter);
new ForClause().accept(adapter);
new PGWithQuery().accept(adapter);