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 com.alibaba.druid.stat.TableStat;
  
  import java.util.List;
  
  public class OracleBlockTest11 extends OracleTest {
      public void test_0() throws Exception {
          String sql = "DROP TABLE emp;" +
                  "CREATE TABLE emp AS SELECT * FROM employees;" +
                  " " +
                  "DECLARE" +
                  "  CURSOR c1 IS" +
                  "    SELECT * FROM emp" +
                  "    FOR UPDATE OF salary" +
                  "    ORDER BY employee_id;" +
                  "   emp_rec  emp%ROWTYPE;" +
                  "BEGIN" +
                  "  OPEN c1;" +
                  "  LOOP" +
                  "    FETCH c1 INTO emp_rec;  -- fails on second iteration\n" +
                  "    EXIT WHEN c1%NOTFOUND;" +
                  "    DBMS_OUTPUT.PUT_LINE (" +
                  "      'emp_rec.employee_id = ' ||" +
                  "      TO_CHAR(emp_rec.employee_id)" +
                  "    );" +
                  "    " +
                  "    UPDATE emp" +
                  "    SET salary = salary * 1.05" +
                  "    WHERE employee_id = 105;" +
                  " " +
                  "    COMMIT;  -- releases locks\n" +
                  "  END LOOP;" +
                  "END;";
  
          OracleStatementParser parser = new OracleStatementParser(sql);
          List<SQLStatement> statementList = parser.parseStatementList();
  
          for (SQLStatement stmt : statementList) {
              System.out.println(stmt);
              System.out.println();
          }
  
          assertEquals(3, statementList.size());
  
          OracleSchemaStatVisitor visitor = new OracleSchemaStatVisitor();
          for (SQLStatement statement : statementList) {
              statement.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());
          System.out.println("orderBy : " + visitor.getOrderByColumns());
  
          assertEquals(2, visitor.getTables().size());
  
          assertTrue(visitor.getTables().containsKey(new TableStat.Name("employees")));
          assertTrue(visitor.getTables().containsKey(new TableStat.Name("emp")));
  
          assertEquals(4, visitor.getColumns().size());
          assertEquals(1, visitor.getConditions().size());
  
          assertTrue(visitor.containsColumn("employees", "*"));
          assertTrue(visitor.containsColumn("emp", "employee_id"));
          assertTrue(visitor.containsColumn("emp", "*"));
          assertTrue(visitor.containsColumn("emp", "salary"));
      }
  }
  