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Add integration test for mybatis#1582 
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‎src/test/java/org/apache/ibatis/submitted/sql/CreateDB-hsqldb.sql

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--
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-- Copyright 2009-2019 the original author or authors.
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--
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-- Licensed under the Apache License, Version 2.0 (the "License");
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-- you may not use this file except in compliance with the License.
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-- You may obtain a copy of the License at
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--
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-- http://www.apache.org/licenses/LICENSE-2.0
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--
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-- Unless required by applicable law or agreed to in writing, software
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-- distributed under the License is distributed on an "AS IS" BASIS,
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-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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-- See the License for the specific language governing permissions and
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-- limitations under the License.
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--
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DROP TABLE IF EXISTS users;
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CREATE TABLE users (
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user_id identity PRIMARY KEY,
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name character varying(30)
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);
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INSERT INTO users (name) values ('Jimmy');
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INSERT INTO users (name) values ('Iwao');
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INSERT INTO users (name) values ('Kazuki');

‎src/test/java/org/apache/ibatis/submitted/sql/CreateDB.sql

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--
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-- Copyright 2009-2019 the original author or authors.
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--
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-- Licensed under the Apache License, Version 2.0 (the "License");
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-- you may not use this file except in compliance with the License.
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-- You may obtain a copy of the License at
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--
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-- http://www.apache.org/licenses/LICENSE-2.0
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--
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-- Unless required by applicable law or agreed to in writing, software
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-- distributed under the License is distributed on an "AS IS" BASIS,
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-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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-- See the License for the specific language governing permissions and
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-- limitations under the License.
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--
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DROP SCHEMA IF EXISTS mbtest;
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CREATE SCHEMA mbtest;
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CREATE TABLE mbtest.users (
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user_id serial PRIMARY KEY,
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name character varying(30)
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);
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INSERT INTO mbtest.users (name) values ('Jimmy');
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INSERT INTO mbtest.users (name) values ('Iwao');
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INSERT INTO mbtest.users (name) values ('Kazuki');

‎src/test/java/org/apache/ibatis/submitted/sql/HsqldbSQLTest.java

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/**
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* Copyright 2009-2019 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.ibatis.submitted.sql;
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import java.util.List;
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import java.util.Properties;
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import org.apache.ibatis.BaseDataTest;
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import org.apache.ibatis.datasource.unpooled.UnpooledDataSource;
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import org.apache.ibatis.mapping.Environment;
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import org.apache.ibatis.session.Configuration;
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import org.apache.ibatis.session.SqlSession;
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import org.apache.ibatis.session.SqlSessionFactory;
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import org.apache.ibatis.session.SqlSessionFactoryBuilder;
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import org.apache.ibatis.transaction.jdbc.JdbcTransactionFactory;
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import org.junit.jupiter.api.BeforeAll;
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import org.junit.jupiter.api.Test;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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class HsqldbSQLTest {
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private static SqlSessionFactory sqlSessionFactory;
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@BeforeAll
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static void setUp() throws Exception {
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Configuration configuration = new Configuration();
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Environment environment = new Environment("development", new JdbcTransactionFactory(),
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new UnpooledDataSource("org.hsqldb.jdbcDriver", "jdbc:hsqldb:mem:HsqldbSQLTest", "sa", ""));
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configuration.setEnvironment(environment);
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configuration.setUseGeneratedKeys(true);
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configuration.addMapper(Mapper.class);
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Properties properties = new Properties();
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properties.setProperty("schema", "");
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configuration.setVariables(properties);
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sqlSessionFactory = new SqlSessionFactoryBuilder().build(configuration);
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BaseDataTest.runScript(sqlSessionFactory.getConfiguration().getEnvironment().getDataSource(),
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"org/apache/ibatis/submitted/sql/CreateDB-hsqldb.sql");
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}
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@Test
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void testFetchFirst() {
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try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
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Mapper mapper = sqlSession.getMapper(Mapper.class);
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{
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List<User> users = mapper.findAll(0, 2);
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assertEquals(2, users.size());
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assertEquals("Jimmy", users.get(0).getName());
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assertEquals("Iwao", users.get(1).getName());
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}
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{
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List<User> users = mapper.findAll(1, 2);
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assertEquals(2, users.size());
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assertEquals("Iwao", users.get(0).getName());
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assertEquals("Kazuki", users.get(1).getName());
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}
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{
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List<User> users = mapper.findAll(2, 2);
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assertEquals(1, users.size());
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assertEquals("Kazuki", users.get(0).getName());
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}
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}
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}
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}

‎src/test/java/org/apache/ibatis/submitted/sql/Mapper.java

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/**
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* Copyright 2009-2019 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.ibatis.submitted.sql;
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import java.util.List;
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import org.apache.ibatis.annotations.Param;
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import org.apache.ibatis.annotations.SelectProvider;
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import org.apache.ibatis.builder.annotation.ProviderMethodResolver;
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import org.apache.ibatis.jdbc.SQL;
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public interface Mapper {
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@SelectProvider(type = SqlProvider.class)
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List<User> findAll(@Param("offset") long offset, @Param("limit") int limit);
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class SqlProvider implements ProviderMethodResolver {
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public String findAll() {
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return new SQL()
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.SELECT("user_id", "name")
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.FROM("${schema}users")
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.ORDER_BY("user_id")
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.OFFSET_ROWS("#{offset}")
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.FETCH_FIRST_ROWS_ONLY("#{limit}")
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.toString();
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}
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}
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}

‎src/test/java/org/apache/ibatis/submitted/sql/PostgresSQLTest.java

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/**
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* Copyright 2009-2019 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.ibatis.submitted.sql;
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import java.util.List;
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import java.util.Properties;
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import org.apache.ibatis.BaseDataTest;
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import org.apache.ibatis.mapping.Environment;
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import org.apache.ibatis.session.Configuration;
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import org.apache.ibatis.session.SqlSession;
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import org.apache.ibatis.session.SqlSessionFactory;
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import org.apache.ibatis.session.SqlSessionFactoryBuilder;
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import org.apache.ibatis.testcontainers.PgContainer;
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import org.apache.ibatis.transaction.jdbc.JdbcTransactionFactory;
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import org.junit.jupiter.api.BeforeAll;
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import org.junit.jupiter.api.Tag;
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import org.junit.jupiter.api.Test;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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@Tag("TestcontainersTests")
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class PostgresSQLTest {
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private static SqlSessionFactory sqlSessionFactory;
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@BeforeAll
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static void setUp() throws Exception {
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Configuration configuration = new Configuration();
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Environment environment = new Environment("development", new JdbcTransactionFactory(),
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PgContainer.getUnpooledDataSource());
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configuration.setEnvironment(environment);
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configuration.setUseGeneratedKeys(true);
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configuration.addMapper(Mapper.class);
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Properties properties = new Properties();
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properties.setProperty("schema", "mbtest.");
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configuration.setVariables(properties);
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sqlSessionFactory = new SqlSessionFactoryBuilder().build(configuration);
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BaseDataTest.runScript(sqlSessionFactory.getConfiguration().getEnvironment().getDataSource(),
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"org/apache/ibatis/submitted/sql/CreateDB.sql");
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}
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@Test
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void testFetchFirst() {
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try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
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Mapper mapper = sqlSession.getMapper(Mapper.class);
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{
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List<User> users = mapper.findAll(0, 2);
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assertEquals(2, users.size());
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assertEquals("Jimmy", users.get(0).getName());
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assertEquals("Iwao", users.get(1).getName());
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}
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{
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List<User> users = mapper.findAll(1, 2);
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assertEquals(2, users.size());
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assertEquals("Iwao", users.get(0).getName());
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assertEquals("Kazuki", users.get(1).getName());
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}
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{
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List<User> users = mapper.findAll(2, 2);
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assertEquals(1, users.size());
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assertEquals("Kazuki", users.get(0).getName());
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}
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}
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}
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}

‎src/test/java/org/apache/ibatis/submitted/sql/User.java

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/**
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* Copyright 2009-2019 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.ibatis.submitted.sql;
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public class User {
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private Integer userId;
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private String name;
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public Integer getUserId() {
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return userId;
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}
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public void setUserId(Integer userId) {
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this.userId = userId;
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}
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public String getName() {
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return name;
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}
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public void setName(String name) {
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this.name = name;
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}
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}

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