/*
* Copyright 1999-2011 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.alipay.zdal.parser.druid.bvt.sql.mysql;
import java.util.List;
import junit.framework.TestCase;
import com.alipay.zdal.parser.sql.ast.SQLStatement;
import com.alipay.zdal.parser.sql.dialect.mysql.parser.MySqlStatementParser;
import com.alipay.zdal.parser.sql.dialect.mysql.visitor.MySqlOutputVisitor;
import com.alipay.zdal.parser.sql.parser.SQLStatementParser;
/**
*
* @author xiaoqing.zhouxq
* @version $Id: SQLSelectTest.java, v 0.1 2012-5-17 ����10:08:11 xiaoqing.zhouxq Exp $
*/
public class SQLSelectTest extends TestCase {
public void test_select() throws Exception {
String sql = "SELECT ALL FID FROM T1;SELECT DISTINCT FID FROM T1;SELECT DISTINCTROW FID FROM T1;";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
output(stmtList);
}
public void test_select_1() throws Exception {
String sql = "SELECT HIGH_PRIORITY STRAIGHT_JOIN SQL_SMALL_RESULT SQL_BIG_RESULT SQL_BUFFER_RESULT FID FROM T1;";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
output(stmtList);
}
public void test_select_2() throws Exception {
String sql = "SELECT SQL_CACHE FID FROM T1;";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
output(stmtList);
}
public void test_select_3() throws Exception {
String sql = "SELECT SQL_NO_CACHE FID FROM T1;";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
output(stmtList);
}
public void test_select_4() throws Exception {
String sql = "SELECT SQL_CALC_FOUND_ROWS FID FROM T1;";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
output(stmtList);
}
public void test_select_5() throws Exception {
String sql = "SELECT 1 + 1;";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
output(stmtList);
}
public void test_select_6() throws Exception {
String sql = "SELECT CONCAT(last_name,', ',first_name) AS full_name FROM mytable ORDER BY full_name;";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
output(stmtList);
}
private void output(List<SQLStatement> stmtList) {
for (SQLStatement stmt : stmtList) {
stmt.accept(new MySqlOutputVisitor(System.out));
System.out.println(";");
System.out.println();
}
}
}