/*
* Copyright 2015, The Querydsl Team (http://www.querydsl.com/team)
*
* 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.querydsl.sql;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
import com.querydsl.core.types.Ops;
public class MySQLTemplatesTest extends AbstractSQLTemplatesTest {
@Override
protected SQLTemplates createTemplates() {
return new MySQLTemplates();
}
@SuppressWarnings("unchecked")
@Test
public void test() {
SQLTemplates templates = MySQLTemplates.builder()
.printSchema()
.build();
Configuration conf = new Configuration(templates);
System.out.println(new SQLQuery(conf).from(survey1).toString());
}
@Test
public void order_nullsFirst() {
query.from(survey1).orderBy(survey1.name.asc().nullsFirst());
assertEquals("from SURVEY survey1 order by (case when survey1.NAME is null then 0 else 1 end), survey1.NAME asc", query.toString());
}
@Test
public void order_nullsLast() {
query.from(survey1).orderBy(survey1.name.asc().nullsLast());
assertEquals("from SURVEY survey1 order by (case when survey1.NAME is null then 1 else 0 end), survey1.NAME asc", query.toString());
}
@Test
public void precedence() {
// INTERVAL
// BINARY, COLLATE
// !
// - (unary minus), ~ (unary bit inversion)
int p0 = getPrecedence(Ops.NEGATE);
// ^
// *, /, DIV, %, MOD
int p1 = getPrecedence(Ops.MULT, Ops.DIV, Ops.MOD);
// -, +
int p2 = getPrecedence(Ops.SUB, Ops.ADD);
// <<, >>
// &
// |
// = (comparison), <=>, >=, >, <=, <, <>, !=, IS, LIKE, REGEXP, IN
int p3 = getPrecedence(Ops.EQ, Ops.GOE, Ops.GT, Ops.LT, Ops.NE, Ops.IS_NULL, Ops.IS_NOT_NULL, Ops.MATCHES, Ops.IN, Ops.LIKE, Ops.LIKE_ESCAPE);
// BETWEEN, CASE, WHEN, THEN, ELSE
int p4 = getPrecedence(Ops.BETWEEN, Ops.CASE, Ops.CASE_ELSE);
// NOT
int p5 = getPrecedence(Ops.NOT);
// &&, AND
int p6 = getPrecedence(Ops.AND);
// XOR
int p7 = getPrecedence(Ops.XOR, Ops.XNOR);
// ||, OR
int p8 = getPrecedence(Ops.OR);
// = (assignment), :=
assertTrue(p0 < p1);
assertTrue(p1 < p2);
assertTrue(p2 < p3);
assertTrue(p3 < p4);
assertTrue(p4 < p5);
assertTrue(p5 < p6);
assertTrue(p6 < p7);
assertTrue(p7 < p8);
}
}