/*
* 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 com.querydsl.core.Target.*;
import static com.querydsl.sql.Constants.survey;
import static com.querydsl.sql.SQLExpressions.selectOne;
import static org.junit.Assert.assertEquals;
import java.sql.SQLException;
import java.util.Collections;
import java.util.List;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import com.querydsl.core.testutil.ExcludeIn;
import com.querydsl.core.testutil.IncludeIn;
import com.querydsl.core.types.Path;
import com.querydsl.core.types.dsl.Expressions;
import com.querydsl.core.types.dsl.Param;
import com.querydsl.core.types.dsl.StringPath;
import com.querydsl.sql.dml.SQLUpdateClause;
import com.querydsl.sql.domain.QEmployee;
import com.querydsl.sql.domain.QSurvey;
public class UpdateBase extends AbstractBaseTest {
protected void reset() throws SQLException {
delete(survey).execute();
insert(survey).values(1, "Hello World", "Hello").execute();
}
@Before
public void setUp() throws SQLException {
reset();
}
@After
public void tearDown() throws SQLException {
reset();
}
@Test
public void update() throws SQLException {
// original state
long count = query().from(survey).fetchCount();
assertEquals(0, query().from(survey).where(survey.name.eq("S")).fetchCount());
// update call with 0 update count
assertEquals(0, update(survey).where(survey.name.eq("XXX")).set(survey.name, "S").execute());
assertEquals(0, query().from(survey).where(survey.name.eq("S")).fetchCount());
// update call with full update count
assertEquals(count, update(survey).set(survey.name, "S").execute());
assertEquals(count, query().from(survey).where(survey.name.eq("S")).fetchCount());
}
@Test
@IncludeIn({CUBRID, H2, MYSQL, ORACLE, SQLSERVER})
public void update_limit() {
assertEquals(1, insert(survey).values(2, "A","B").execute());
assertEquals(1, insert(survey).values(3, "B","C").execute());
assertEquals(2, update(survey).set(survey.name, "S").limit(2).execute());
}
@Test
public void update2() throws SQLException {
List<Path<?>> paths = Collections.<Path<?>>singletonList(survey.name);
List<?> values = Collections.singletonList("S");
// original state
long count = query().from(survey).fetchCount();
assertEquals(0, query().from(survey).where(survey.name.eq("S")).fetchCount());
// update call with 0 update count
assertEquals(0, update(survey).where(survey.name.eq("XXX")).set(paths, values).execute());
assertEquals(0, query().from(survey).where(survey.name.eq("S")).fetchCount());
// update call with full update count
assertEquals(count, update(survey).set(paths, values).execute());
assertEquals(count, query().from(survey).where(survey.name.eq("S")).fetchCount());
}
@Test
public void update3() {
assertEquals(1, update(survey).set(survey.name, survey.name.append("X")).execute());
}
@Test
public void update4() {
assertEquals(1, insert(survey).values(2, "A","B").execute());
assertEquals(1, update(survey).set(survey.name, "AA").where(survey.name.eq("A")).execute());
}
@Test
public void update5() {
assertEquals(1, insert(survey).values(3, "B","C").execute());
assertEquals(1, update(survey).set(survey.name, "BB").where(survey.name.eq("B")).execute());
}
@Test
public void setNull() {
List<Path<?>> paths = Collections.<Path<?>>singletonList(survey.name);
List<?> values = Collections.singletonList(null);
long count = query().from(survey).fetchCount();
assertEquals(count, update(survey).set(paths, values).execute());
}
@Test
public void setNull2() {
long count = query().from(survey).fetchCount();
assertEquals(count, update(survey).set(survey.name, (String) null).execute());
}
@Test
@SkipForQuoted
@ExcludeIn({DERBY})
public void setNullEmptyRootPath() {
StringPath name = Expressions.stringPath("name");
long count = query().from(survey).fetchCount();
assertEquals(count, execute(update(survey).setNull(name)));
}
@Test
public void batch() throws SQLException {
assertEquals(1, insert(survey).values(2, "A","B").execute());
assertEquals(1, insert(survey).values(3, "B","C").execute());
SQLUpdateClause update = update(survey);
update.set(survey.name, "AA").where(survey.name.eq("A")).addBatch();
assertEquals(1, update.getBatchCount());
update.set(survey.name, "BB").where(survey.name.eq("B")).addBatch();
assertEquals(2, update.getBatchCount());
assertEquals(2, update.execute());
}
@Test
public void batch_templates() throws SQLException {
assertEquals(1, insert(survey).values(2, "A","B").execute());
assertEquals(1, insert(survey).values(3, "B","C").execute());
SQLUpdateClause update = update(survey);
update.set(survey.name, "AA").where(survey.name.eq(Expressions.stringTemplate("'A'"))).addBatch();
update.set(survey.name, "BB").where(survey.name.eq(Expressions.stringTemplate("'B'"))).addBatch();
assertEquals(2, update.execute());
}
@Test
public void update_with_subQuery_exists() {
QSurvey survey1 = new QSurvey("s1");
QEmployee employee = new QEmployee("e");
SQLUpdateClause update = update(survey1);
update.set(survey1.name, "AA");
update.where(selectOne().from(employee).where(survey1.id.eq(employee.id)).exists());
assertEquals(1, update.execute());
}
@Test
public void update_with_subQuery_exists_Params() {
QSurvey survey1 = new QSurvey("s1");
QEmployee employee = new QEmployee("e");
Param<Integer> param = new Param<Integer>(Integer.class, "param");
SQLQuery<?> sq = query().from(employee).where(employee.id.eq(param));
sq.set(param, -12478923);
SQLUpdateClause update = update(survey1);
update.set(survey1.name, "AA");
update.where(sq.exists());
assertEquals(0, update.execute());
}
@Test
public void update_with_subQuery_exists2() {
QSurvey survey1 = new QSurvey("s1");
QEmployee employee = new QEmployee("e");
SQLUpdateClause update = update(survey1);
update.set(survey1.name, "AA");
update.where(selectOne().from(employee).where(survey1.name.eq(employee.lastname)).exists());
assertEquals(0, update.execute());
}
@Test
public void update_with_subQuery_notExists() {
QSurvey survey1 = new QSurvey("s1");
QEmployee employee = new QEmployee("e");
SQLUpdateClause update = update(survey1);
update.set(survey1.name, "AA");
update.where(query().from(employee).where(survey1.id.eq(employee.id)).notExists());
assertEquals(0, update.execute());
}
@Test
@ExcludeIn(TERADATA)
public void update_with_templateExpression_in_batch() {
assertEquals(1, update(survey)
.set(survey.id, 3)
.set(survey.name, Expressions.stringTemplate("'Hello'"))
.addBatch()
.execute());
}
}