content: package com.alibaba.druid.bvt.sql.oracle;
  
  import com.alibaba.druid.sql.OracleTest;
  import com.alibaba.druid.sql.SQLUtils;
  import com.alibaba.druid.sql.ast.SQLStatement;
  import com.alibaba.druid.sql.dialect.oracle.parser.OracleStatementParser;
  import com.alibaba.druid.sql.dialect.oracle.visitor.OracleSchemaStatVisitor;
  import com.alibaba.druid.stat.TableStat;
  import com.alibaba.druid.util.JdbcConstants;
  
  import java.util.List;
  
  public class OracleListAggTest extends OracleTest {
      public void test_0() throws Exception {
          String sql = "SELECT prod_id, LISTAGG(cust_first_name||' '||cust_last_name, '; ') \n"
                  + "  WITHIN GROUP (ORDER BY amount_sold DESC) cust_list\n"
                  + "FROM sales, customers\n"
                  + "WHERE sales.cust_id = customers.cust_id AND cust_gender = 'M' \n"
                  + "  AND cust_credit_limit = 15000 AND prod_id BETWEEN 15 AND 18 \n"
                  + "  AND channel_id = 2 AND time_id > '01-JAN-01'\n"
                  + "GROUP BY prod_id;";
  
          OracleStatementParser parser = new OracleStatementParser(sql);
          List<SQLStatement> statementList = parser.parseStatementList();
          SQLStatement stmt = statementList.get(0);
          print(statementList);
  
          assertEquals(1, statementList.size());
  
          assertEquals("SELECT prod_id\n" +
                          "\t, LISTAGG(cust_first_name || ' ' || cust_last_name, '; ') WITHIN GROUP (ORDER BY amount_sold DESC) AS cust_list\n" +
                          "FROM sales, customers\n" +
                          "WHERE sales.cust_id = customers.cust_id\n" +
                          "\tAND cust_gender = 'M'\n" +
                          "\tAND cust_credit_limit = 15000\n" +
                          "\tAND prod_id BETWEEN 15 AND 18\n" +
                          "\tAND channel_id = 2\n" +
                          "\tAND time_id > '01-JAN-01'\n" +
                          "GROUP BY prod_id;",
                  SQLUtils.toSQLString(stmt, JdbcConstants.ORACLE));
  
          OracleSchemaStatVisitor visitor = new OracleSchemaStatVisitor();
          stmt.accept(visitor);
  
          System.out.println("Tables : " + visitor.getTables());
          System.out.println("fields : " + visitor.getColumns());
          System.out.println("coditions : " + visitor.getConditions());
          System.out.println("relationships : " + visitor.getRelationships());
  
          assertEquals(2, visitor.getTables().size());
          assertEquals(10, visitor.getColumns().size());
  
          assertTrue(visitor.getTables().containsKey(new TableStat.Name("sales")));
          assertTrue(visitor.getTables().containsKey(new TableStat.Name("customers")));
  
          assertTrue(visitor.getColumns().contains(new TableStat.Column("sales", "cust_id")));
          assertTrue(visitor.getColumns().contains(new TableStat.Column("customers", "cust_id")));
      }
  }
  