MySQLDMLDeleteParserTest.java

/*
 * 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 2011-5-18)
 */
package fm.liu.timo.parser.recognizer.mysql.syntax;

import java.sql.SQLSyntaxErrorException;
import fm.liu.timo.parser.ast.stmt.dml.DMLDeleteStatement;
import fm.liu.timo.parser.recognizer.mysql.MySQLToken;
import fm.liu.timo.parser.recognizer.mysql.lexer.MySQLLexer;
import junit.framework.Assert;

/**
 * @author <a href="mailto:shuo.qius@alibaba-inc.com">QIU Shuo</a>
 */
public class MySQLDMLDeleteParserTest extends AbstractSyntaxTest {
    public void testDelete1() throws SQLSyntaxErrorException {
        String sql = "deLetE LOW_PRIORITY from id1.id , id using t1 a where col1 =? ";
        MySQLLexer lexer = new MySQLLexer(sql);
        MySQLDMLDeleteParser parser = new MySQLDMLDeleteParser(lexer, new MySQLExprParser(lexer));
        DMLDeleteStatement delete = parser.delete();
        parser.match(MySQLToken.EOF);
        String output = output2MySQL(delete, sql);
        Assert.assertEquals("DELETE LOW_PRIORITY id1.id, id FROM t1 AS a WHERE col1 = ?", output);

        sql = "deLetE from id1.id  using t1  ";
        lexer = new MySQLLexer(sql);
        parser = new MySQLDMLDeleteParser(lexer, new MySQLExprParser(lexer));
        delete = parser.delete();
        parser.match(MySQLToken.EOF);
        output = output2MySQL(delete, sql);
        Assert.assertEquals("DELETE id1.id FROM t1", output);

        sql = "delete from offer.*,wp_image.* using offer a,wp_image b where a.member_id=b.member_id and a.member_id='abc' ";
        lexer = new MySQLLexer(sql);
        parser = new MySQLDMLDeleteParser(lexer, new MySQLExprParser(lexer));
        delete = parser.delete();
        parser.match(MySQLToken.EOF);
        output = output2MySQL(delete, sql);
        Assert.assertEquals("DELETE offer.*, wp_image.* FROM offer AS a, wp_image AS b WHERE "
                + "a.member_id = b.member_id AND a.member_id = 'abc'", output);

        sql = "deLetE id.* from t1,t2 where col1='adf'            and col2=1";
        lexer = new MySQLLexer(sql);
        parser = new MySQLDMLDeleteParser(lexer, new MySQLExprParser(lexer));
        delete = parser.delete();
        parser.match(MySQLToken.EOF);
        output = output2MySQL(delete, sql);
        Assert.assertEquals("DELETE id.* FROM t1, t2 WHERE col1 = 'adf' AND col2 = 1", output);

        sql = "deLetE id,id.t from t1";
        lexer = new MySQLLexer(sql);
        parser = new MySQLDMLDeleteParser(lexer, new MySQLExprParser(lexer));
        delete = parser.delete();
        parser.match(MySQLToken.EOF);
        output = output2MySQL(delete, sql);
        Assert.assertEquals("DELETE id, id.t FROM t1", output);

        sql = "deLetE from t1 where t1.id1='abc' order by a limit 5";
        lexer = new MySQLLexer(sql);
        parser = new MySQLDMLDeleteParser(lexer, new MySQLExprParser(lexer));
        delete = parser.delete();
        parser.match(MySQLToken.EOF);
        output = output2MySQL(delete, sql);
        Assert.assertEquals("DELETE FROM t1 WHERE t1.id1 = 'abc' ORDER BY a LIMIT 0 , 5", output);

        sql = "deLetE from t1";
        lexer = new MySQLLexer(sql);
        parser = new MySQLDMLDeleteParser(lexer, new MySQLExprParser(lexer));
        delete = parser.delete();
        parser.match(MySQLToken.EOF);
        output = output2MySQL(delete, sql);
        Assert.assertEquals("DELETE FROM t1", output);

        sql = "deLetE ignore tb1.*,id1.t from t1";
        lexer = new MySQLLexer(sql);
        parser = new MySQLDMLDeleteParser(lexer, new MySQLExprParser(lexer));
        delete = parser.delete();
        parser.match(MySQLToken.EOF);
        output = output2MySQL(delete, sql);
        Assert.assertEquals("DELETE IGNORE tb1.*, id1.t FROM t1", output);

        sql = "deLetE quick tb1.*,id1.t from t1";
        lexer = new MySQLLexer(sql);
        parser = new MySQLDMLDeleteParser(lexer, new MySQLExprParser(lexer));
        delete = parser.delete();
        parser.match(MySQLToken.EOF);
        output = output2MySQL(delete, sql);
        Assert.assertEquals("DELETE QUICK tb1.*, id1.t FROM t1", output);
    }
}