content: /*
   * Copyright 1999-2018 Alibaba Group Holding Ltd.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package com.alibaba.druid.bvt.sql.oracle.block;
  
  import com.alibaba.druid.sql.OracleTest;
  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 java.util.List;
  
  public class OracleBlockTest4 extends OracleTest {
      public void test_0() throws Exception {
          String sql = "DECLARE" +
                  "  done  BOOLEAN;" +
                  "BEGIN" +
                  "  FOR i IN 1..50 LOOP" +
                  "    IF done THEN" +
                  "       GOTO end_loop;" +
                  "    END IF;" +
                  "  <<end_loop>>" +
                  "  END LOOP;" +
                  "END;";
  
          OracleStatementParser parser = new OracleStatementParser(sql);
          List<SQLStatement> statementList = parser.parseStatementList();
          SQLStatement statement = statementList.get(0);
          print(statementList);
  
          assertEquals(1, statementList.size());
  
          OracleSchemaStatVisitor visitor = new OracleSchemaStatVisitor();
          statement.accept(visitor);
  
          System.out.println("Tables : " + visitor.getTables());
          System.out.println("fields : " + visitor.getColumns());
          System.out.println("conditions : " + visitor.getConditions());
          System.out.println("relationships : " + visitor.getRelationships());
          System.out.println("orderBy : " + visitor.getOrderByColumns());
  
          assertEquals(0, visitor.getTables().size());
          assertEquals(0, visitor.getColumns().size());
      }
  
      public void test_1() throws Exception {
          String sql = "DECLARE" +
                       "  done  BOOLEAN;" +
                       "BEGIN" +
                       "  FOR i IN REVERSE 1..50 LOOP" +
                       "    IF done THEN" +
                       "       GOTO end_loop;" +
                       "    END IF;" +
                       "  <<end_loop>>" +
                       "  END LOOP;" +
                       "END;";
  
          OracleStatementParser parser = new OracleStatementParser(sql);
          List<SQLStatement> statementList = parser.parseStatementList();
          SQLStatement statement = statementList.get(0);
          print(statementList);
  
          assertEquals(1, statementList.size());
          assertEquals("DECLARE\n" +
                       "\tdone BOOLEAN;\n" +
                       "BEGIN\n" +
                       "\tFOR i IN REVERSE 1..50\n" +
                       "\tLOOP\n" +
                       "\t\tIF done THEN\n" +
                       "\t\t\tGOTO end_loop;\n" +
                       "\t\tEND IF;\n" +
                       "\t\t<<end_loop>>\n" +
                       "\tEND LOOP;\n" +
                       "END;", statement.toString());
  
          OracleSchemaStatVisitor visitor = new OracleSchemaStatVisitor();
          statement.accept(visitor);
  
          System.out.println("Tables : " + visitor.getTables());
          System.out.println("fields : " + visitor.getColumns());
          System.out.println("conditions : " + visitor.getConditions());
          System.out.println("relationships : " + visitor.getRelationships());
          System.out.println("orderBy : " + visitor.getOrderByColumns());
  
          assertEquals(0, visitor.getTables().size());
  
          assertEquals(0, visitor.getColumns().size());
      }
  }
  