/*
* Copyright 1999-2012 Alibaba Group.
*
* 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.
*/
/**
* (created at 2011-5-19)
*/
package com.alibaba.cobar.parser.recognizer.mysql.syntax;
import java.sql.SQLSyntaxErrorException;
import junit.framework.Assert;
import com.alibaba.cobar.parser.ast.stmt.dml.DMLUpdateStatement;
import com.alibaba.cobar.parser.recognizer.mysql.lexer.MySQLLexer;
/**
* @author <a href="mailto:shuo.qius@alibaba-inc.com">QIU Shuo</a>
*/
public class MySQLDMLUpdateParserTest extends AbstractSyntaxTest {
/**
* nothing has been pre-consumed <code><pre>
* 'UPDATE' 'LOW_PRIORITY'? 'IGNORE'? table_reference
* 'SET' colName ('='|'=') (expr|'DEFAULT') (',' colName ('='|'=') (expr|'DEFAULT'))*
* ('WHERE' cond)?
* {singleTable}? => ('ORDER' 'BY' orderBy)? ('LIMIT' count)?
* </pre></code>
*/
public void testUpdate() throws SQLSyntaxErrorException {
String sql = "upDate LOw_PRIORITY IGNORE test.t1 sEt t1.col1=?, col2=DefaulT";
MySQLLexer lexer = new MySQLLexer(sql);
MySQLDMLUpdateParser parser = new MySQLDMLUpdateParser(lexer, new MySQLExprParser(lexer));
DMLUpdateStatement update = parser.update();
String output = output2MySQL(update, sql);
Assert.assertNotNull(update);
Assert.assertEquals("UPDATE LOW_PRIORITY IGNORE test.t1 SET t1.col1 = ?, col2 = DEFAULT", output);
sql = "upDate IGNORE (t1) set col2=DefaulT order bY t1.col2 ";
lexer = new MySQLLexer(sql);
parser = new MySQLDMLUpdateParser(lexer, new MySQLExprParser(lexer));
update = parser.update();
output = output2MySQL(update, sql);
Assert.assertEquals("UPDATE IGNORE t1 SET col2 = DEFAULT ORDER BY t1.col2", output);
sql = "upDate (test.t1) SET col2=DefaulT order bY t1.col2 limit ? offset 1";
lexer = new MySQLLexer(sql);
parser = new MySQLDMLUpdateParser(lexer, new MySQLExprParser(lexer));
update = parser.update();
output = output2MySQL(update, sql);
Assert.assertEquals("UPDATE test.t1 SET col2 = DEFAULT ORDER BY t1.col2 LIMIT 1, ?", output);
sql = "upDate LOW_PRIORITY t1, test.t2 SET col2=DefaulT , col2='123''4'";
lexer = new MySQLLexer(sql);
parser = new MySQLDMLUpdateParser(lexer, new MySQLExprParser(lexer));
update = parser.update();
output = output2MySQL(update, sql);
Assert.assertEquals("UPDATE LOW_PRIORITY t1, test.t2 SET col2 = DEFAULT, col2 = '123\\'4'", output);
sql = "upDate LOW_PRIORITY t1, test.t2 SET col2:=DefaulT , col2='123''4' where id='a'";
lexer = new MySQLLexer(sql);
parser = new MySQLDMLUpdateParser(lexer, new MySQLExprParser(lexer));
update = parser.update();
output = output2MySQL(update, sql);
Assert.assertEquals(
"UPDATE LOW_PRIORITY t1, test.t2 SET col2 = DEFAULT, col2 = '123\\'4' WHERE id = 'a'",
output);
}
}