content: package com.alibaba.druid.bvt.sql.mysql.param;
  
  import com.alibaba.druid.DbType;
  import com.alibaba.druid.sql.SQLUtils;
  import com.alibaba.druid.sql.ast.SQLStatement;
  import com.alibaba.druid.sql.parser.SQLParserUtils;
  import com.alibaba.druid.sql.parser.SQLStatementParser;
  import com.alibaba.druid.sql.visitor.ParameterizedOutputVisitorUtils;
  import com.alibaba.druid.sql.visitor.SQLASTOutputVisitor;
  import com.alibaba.druid.util.JdbcConstants;
  import junit.framework.TestCase;
  
  import java.util.ArrayList;
  import java.util.List;
  
  /**
   * Created by wenshao on 16/8/23.
   */
  public class MySqlParameterizedOutputVisitorTest_34 extends TestCase {
      public void test_for_parameterize() throws Exception {
          final DbType dbType = JdbcConstants.MYSQL;
  
          String sql = "select * from t where id = 1 or id = 2 or id = 3";
  
          String psql = ParameterizedOutputVisitorUtils.parameterize(sql, dbType);
          assertEquals("SELECT *\n" +
                  "FROM t\n" +
                  "WHERE id = ?", psql);
  
          SQLStatementParser parser = SQLParserUtils.createSQLStatementParser(sql, dbType);
          List<SQLStatement> stmtList = parser.parseStatementList();
  
          StringBuilder out = new StringBuilder();
          SQLASTOutputVisitor visitor = SQLUtils.createOutputVisitor(out, JdbcConstants.MYSQL);
          List<Object> parameters = new ArrayList<Object>();
          visitor.setParameterized(true);
          visitor.setParameterizedMergeInList(true);
          visitor.setOutputParameters(parameters);
          visitor.setExportTables(true);
          /*visitor.setPrettyFormat(false);*/
  
          SQLStatement stmt = stmtList.get(0);
          stmt.accept(visitor);
  
          // System.out.println(parameters);
          assertEquals(1, parameters.size());
  
          //SQLStatementParser parser = SQLParserUtils.createSQLStatementParser(psql, dbType);
          // List<SQLStatement> stmtList = parser.parseStatementList();
          SQLStatement pstmt = SQLUtils.parseStatements(psql, dbType).get(0);
  
          StringBuilder buf = new StringBuilder();
          SQLASTOutputVisitor visitor1 = SQLUtils.createOutputVisitor(buf, dbType);
          visitor1.addTableMapping("udata", "udata_0888");
          visitor1.setInputParameters(visitor.getParameters());
          pstmt.accept(visitor1);
  
          assertEquals("SELECT *\n" +
                  "FROM t\n" +
                  "WHERE id IN (1, 2, 3)", buf.toString());
      }
  }
  