content: package com.alibaba.druid.bvt.sql.odps;
  
  import com.alibaba.druid.sql.ast.SQLStatement;
  import com.alibaba.druid.sql.dialect.odps.parser.OdpsStatementParser;
  import com.alibaba.druid.sql.dialect.odps.visitor.OdpsSchemaStatVisitor;
  import com.alibaba.druid.stat.TableStat;
  import com.alibaba.druid.stat.TableStat.Column;
  import junit.framework.TestCase;
  
  import java.util.List;
  
  public class OdpsUDTFTest extends TestCase {
      public void test_0() throws Exception {
          String sql = "SELECT my_udtf(1,2,3) as (a, b, c) from employee t1 WHERE t1.name = 'aaa';";
  
          OdpsStatementParser parser = new OdpsStatementParser(sql);
          List<SQLStatement> statementList = parser.parseStatementList();
          SQLStatement stmt = statementList.get(0);
  
          assertEquals(1, statementList.size());
  
          OdpsSchemaStatVisitor visitor = new OdpsSchemaStatVisitor();
          stmt.accept(visitor);
  
          System.out.println("Tables : " + visitor.getTables());
          System.out.println("fields : " + visitor.getColumns());
          System.out.println("coditions : " + visitor.getConditions());
          System.out.println("orderBy : " + visitor.getOrderByColumns());
  
          assertEquals(1, visitor.getTables().size());
          assertEquals(1, visitor.getColumns().size());
          assertEquals(1, visitor.getConditions().size());
  
          assertTrue(visitor.getTables().containsKey(new TableStat.Name("employee")));
  
          assertTrue(visitor.getColumns().contains(new Column("employee", "name")));
      }
  }
  