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.pl;
  
  import com.alibaba.druid.sql.OracleTest;
  import com.alibaba.druid.sql.SQLUtils;
  import com.alibaba.druid.sql.ast.SQLStatement;
  import com.alibaba.druid.sql.visitor.SchemaStatVisitor;
  import com.alibaba.druid.util.JdbcConstants;
  
  import java.util.List;
  
  public class Oracle_pl_while_loop extends OracleTest {
      public void test_0() throws Exception {
          String sql = "DECLARE\n" +
                       "\tv1 NUMBER := 5;\n" +
                       "BEGIN\n" +
                       "  \tWHILE v1 > 0 LOOP\n" +
                       "    \tDBMS_OUTPUT.PUT_LINE('Sum: ' || v1);\n" +
                       " \t\tv1 := v1 - 1;\n" +
                       "  \tEND LOOP;\n" +
                       "END;";
  
          List<SQLStatement> statementList = SQLUtils.parseStatements(sql, JdbcConstants.ORACLE);
          assertEquals(1, statementList.size());
          SchemaStatVisitor visitor = SQLUtils.createSchemaStatVisitor(JdbcConstants.ORACLE);
          for (SQLStatement statement : statementList) {
              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());
  
         // assertTrue(visitor.getTables().containsKey(new TableStat.Name("employees")));
         // assertTrue(visitor.getTables().containsKey(new TableStat.Name("emp_name")));
         //
         // assertEquals(7, visitor.getColumns().size());
         // assertEquals(3, visitor.getConditions().size());
         // assertEquals(1, visitor.getRelationships().size());
  
          // assertTrue(visitor.getColumns().contains(new TableStat.Column("employees", "salary")));
  
          {
              String output = SQLUtils.toSQLString(statementList, JdbcConstants.ORACLE);
              System.out.println(output);
              assertEquals("DECLARE\n" +
                              "\tv1 NUMBER := 5;\n" +
                              "BEGIN\n" +
                              "\tWHILE v1 > 0 LOOP\n" +
                              "\tDBMS_OUTPUT.PUT_LINE('Sum: ' || v1);\n" +
                              "\tv1 := v1 - 1;\n" +
                              "\tEND LOOP;\n" +
                              "END;", //
                      output);
          }
          {
              String output = SQLUtils.toSQLString(statementList, JdbcConstants.ORACLE, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION);
              assertEquals("declare\n" +
                              "\tv1 NUMBER := 5;\n" +
                              "begin\n" +
                              "\twhile v1 > 0 loop\n" +
                              "\tDBMS_OUTPUT.PUT_LINE('Sum: ' || v1);\n" +
                              "\tv1 := v1 - 1;\n" +
                              "\tend loop;\n" +
                              "end;", //
                      output);
          }
      }
  }
  