package com.alipay.zdal.parser.druid.bvt.sql.oracle;

import junit.framework.Assert;
import junit.framework.TestCase;

import com.alipay.zdal.parser.druid.sql.test.TestUtils;
import com.alipay.zdal.parser.sql.ast.statement.SQLSelectStatement;
import com.alipay.zdal.parser.sql.dialect.oracle.parser.OracleStatementParser;

/**
 * 
 * @author xiaoqing.zhouxq
 * @version $Id: OracleFlashbackQueryTest3.java, v 0.1 2012-5-17 ����10:16:58 xiaoqing.zhouxq Exp $
 */
public class OracleFlashbackQueryTest3 extends TestCase {

    public void test_isEmpty() throws Exception {
        String sql = "SELECT DECODE(GROUPING(department_name), 1, 'All Departments', department_name) AS department,"
                     + "DECODE(GROUPING(job_id), 1, 'All Jobs', job_id) AS job, COUNT(*) AS \"Total Empl\", AVG(salary) * 12 AS \"Average Sal\" "
                     + "FROM employees e, departments d\n"
                     + "WHERE d.department_id = e.department_id\n"
                     + "GROUP BY ROLLUP (department_name, job_id);\n";

        String expect = "SELECT DECODE(GROUPING(department_name), 1, 'All Departments', department_name) AS department, "
                        + "DECODE(GROUPING(job_id), 1, 'All Jobs', job_id) AS job, COUNT(*) AS \"Total Empl\", AVG(salary) * 12 AS \"Average Sal\"\n"
                        + "FROM employees e, departments d\n"
                        + "WHERE d.department_id = e.department_id\n"
                        + "GROUP BY ROLLUP(department_name, job_id);\n";

        OracleStatementParser parser = new OracleStatementParser(sql);
        SQLSelectStatement stmt = (SQLSelectStatement) parser.parseStatementList().get(0);

        String text = TestUtils.outputOracle(stmt);

        Assert.assertEquals(expect, text);

        System.out.println(text);
    }
}