Examples with RowBounds org.apache.ibatis.session.RowBounds used on opensource projects

Example 21 with RowBounds

use of org.apache.ibatis.session.RowBounds in project Mybatis-PageHelper by pagehelper.

the class RowBoundsTest method testNamespaceWithRowBounds.

/**
     * 使用命名空间方式的RowBounds进行分页，使用RowBounds时不进行count查询
     * 通过修改代码可以进行count查询，没法通过其他方法改变参数
     * 因为如果通过调用一个别的方法来标记count查询，还不如直接startPage
     * <p/>
     * 同时使用startPage时，以startPage为准，会根据startPage参数来查询
     */
@Test
public void testNamespaceWithRowBounds() {
    SqlSession sqlSession = RowBoundsHelper.getSqlSession();
    try {
        //获取从0开始，10条内容
        List<Country> list = sqlSession.selectList("selectAll", null, new RowBounds(0, 10));
        assertEquals(10, list.size());
        //判断查询结果的位置是否正确
        assertEquals(1, list.get(0).getId());
        assertEquals(10, list.get(list.size() - 1).getId());
        //获取从10开始，10条内容
        list = sqlSession.selectList("selectAll", null, new RowBounds(90, 10));
        assertEquals(10, list.size());
        //判断查询结果的位置是否正确
        assertEquals(91, list.get(0).getId());
        assertEquals(100, list.get(list.size() - 1).getId());
        //获取从20开始，20条内容
        list = sqlSession.selectList("selectAll", null, new RowBounds(100, 20));
        assertEquals(20, list.size());
        //判断查询结果的位置是否正确
        assertEquals(101, list.get(0).getId());
        assertEquals(120, list.get(list.size() - 1).getId());
    } finally {
        sqlSession.close();
    }
}

Example 22 with RowBounds

use of org.apache.ibatis.session.RowBounds in project Mybatis-PageHelper by pagehelper.

the class RowBoundsTest method testWithRowboundsAndCountTrue.

/**
     * 使用Mapper接口调用时，使用PageHelper.startPage效果更好，不需要添加Mapper接口参数
     */
@Test
public void testWithRowboundsAndCountTrue() {
    SqlSession sqlSession = RowBoundsHelper.getSqlSession();
    CountryMapper countryMapper = sqlSession.getMapper(CountryMapper.class);
    try {
        //limit=0,这时候相当于用分页插件求count,但是前提必须是配置rounbounds方式求count，否则都是-1
        //这里由于没有配置，应该都是-1
        List<Country> list = countryMapper.selectAll(new RowBounds(0, -1));
        assertEquals(183, list.size());
        //pageSize<0的时候同上
        list = countryMapper.selectAll(new RowBounds(0, -100));
        assertEquals(183, list.size());
    } finally {
        sqlSession.close();
    }
}

Example 23 with RowBounds

use of org.apache.ibatis.session.RowBounds in project Mybatis-PageHelper by pagehelper.

the class BasicTest method testNamespace3.

@Test
public void testNamespace3() {
    SqlSession sqlSession = MybatisRowBoundsHelper.getSqlSession();
    try {
        Map<String, Object> map = new HashMap<String, Object>();
        Country country = new Country();
        map.put("country", country);
        //同时测试不可变Map
        map = Collections.unmodifiableMap(map);
        List<Country> list = sqlSession.selectList("select1", map, new RowBounds(1, 10));
        assertEquals(10, list.size());
        //判断查询结果的位置是否正确
        assertEquals(1, list.get(0).getId());
        map = new HashMap<String, Object>();
        country = new Country();
        country.setCountryname("China");
        map.put("country", country);
        //同时测试不可变Map
        map = Collections.unmodifiableMap(map);
        list = sqlSession.selectList("select1", map, new RowBounds(1, 10));
        assertEquals(1, list.size());
        //判断查询结果的位置是否正确
        assertEquals(35, list.get(0).getId());
    } finally {
        sqlSession.close();
    }
}

Example 24 with RowBounds

use of org.apache.ibatis.session.RowBounds in project Mybatis-PageHelper by pagehelper.

the class PageSizeZeroTest method testWithRowbounds.

/**
     * 使用Mapper接口调用时，使用PageHelper.startPage效果更好，不需要添加Mapper接口参数
     */
@Test
public void testWithRowbounds() {
    SqlSession sqlSession = MybatisPageSizeZeroHelper.getSqlSession();
    CountryMapper countryMapper = sqlSession.getMapper(CountryMapper.class);
    try {
        //pageSize=0的时候查询全部结果
        List<Country> list = countryMapper.selectAll(new RowBounds(1, 0));
        PageInfo<Country> page = new PageInfo<Country>(list);
        assertEquals(183, list.size());
        assertEquals(183, page.getTotal());
        //pageSize=0的时候查询全部结果
        PageHelper.startPage(10, 0);
        list = countryMapper.selectAll(new RowBounds(1000, 0));
        page = new PageInfo<Country>(list);
        assertEquals(183, list.size());
        assertEquals(183, page.getTotal());
    } finally {
        sqlSession.close();
    }
}

Example 25 with RowBounds

use of org.apache.ibatis.session.RowBounds in project Mybatis-PageHelper by pagehelper.

the class RowBoundsTest method testNamespaceWithRowBounds.

/**
     * 使用命名空间方式的RowBounds进行分页，使用RowBounds时不进行count查询
     * 通过修改代码可以进行count查询，没法通过其他方法改变参数
     * 因为如果通过调用一个别的方法来标记count查询，还不如直接startPage
     * <p/>
     * 同时使用startPage时，以startPage为准，会根据startPage参数来查询
     */
@Test
public void testNamespaceWithRowBounds() {
    SqlSession sqlSession = MybatisRowBoundsHelper.getSqlSession();
    try {
        //获取从0开始，10条内容
        List<Country> list = sqlSession.selectList("selectAll", null, new RowBounds(1, 10));
        assertEquals(10, list.size());
        assertEquals(183, ((Page<?>) list).getTotal());
        //判断查询结果的位置是否正确
        assertEquals(1, list.get(0).getId());
        assertEquals(10, list.get(list.size() - 1).getId());
        //获取从10开始，10条内容
        list = sqlSession.selectList("selectAll", null, new RowBounds(10, 10));
        assertEquals(10, list.size());
        assertEquals(183, ((Page<?>) list).getTotal());
        //判断查询结果的位置是否正确
        assertEquals(91, list.get(0).getId());
        assertEquals(100, list.get(list.size() - 1).getId());
        //获取从20开始，20条内容
        list = sqlSession.selectList("selectAll", null, new RowBounds(6, 20));
        assertEquals(20, list.size());
        assertEquals(183, ((Page<?>) list).getTotal());
        //判断查询结果的位置是否正确
        assertEquals(101, list.get(0).getId());
        assertEquals(120, list.get(list.size() - 1).getId());
    } finally {
        sqlSession.close();
    }
}