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.sql.parser;
  
  import com.alibaba.druid.DbType;
  import com.alibaba.druid.sql.ast.SQLStatement;
  import com.alibaba.druid.sql.visitor.ExportParameterVisitor;
  import com.alibaba.druid.sql.visitor.ExportParameterVisitorUtils;
  import com.alibaba.druid.sql.visitor.ParameterizedVisitor;
  import junit.framework.TestCase;
  import org.junit.Assert;
  
  public class ExportAndParameterizedVisitor4db2TestCase extends TestCase {
      public void testParameterizedVisitor() {
          Object[][] sqlAndExpectedCases = {
                   {"select  XMLSERIALIZE(content fld1 as varchar(2000) )  fld1 from test_tab1 where name='1'  ", 1},
                   {"select  XMLSERIALIZE(fld1 as varchar(2000) )  fld1 from test_tab1 where name='1'  ", 1},
                   {"select  fld as b from test_tab1 where name='1'  ", 1},
               };
          final DbType[] dbTypes = { DbType.db2 };
          for (DbType dbType : dbTypes) {
              System.out.println("dbType:" + dbType);
              for (Object[] arr : sqlAndExpectedCases) {
                  final String sql = (String) arr[0];
                  StringBuilder out = new StringBuilder();
  
                  final SQLStatementParser parser = SQLParserUtils.createSQLStatementParser(sql, dbType);
                  final ParameterizedVisitor pVisitor = (ParameterizedVisitor) ExportParameterVisitorUtils.createExportParameterVisitor(out, dbType);
                  final SQLStatement parseStatement = parser.parseStatement();
                  parseStatement.accept(pVisitor);
                  final ExportParameterVisitor vistor2 = (ExportParameterVisitor) pVisitor;
                  System.out.println("before:" + sql);
                  System.out.println("after:" + out);
                  System.out.println("size:" + vistor2.getParameters());
                  final int expectedSize = arr.length > 1 ? (Integer) arr[1] : 0;
                  Assert.assertEquals(expectedSize, vistor2.getParameters().size());
              }
          }
      }
  }
  