third_codes/mybatis-plus-join
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yulichang 2022-12-09 13:35:46 +08:00
parent 7b0cfa4ff2
commit d4a0843225
3 changed files with 51 additions and 19 deletions
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5
mybatis-plus-join-core/src/main/java/com/github/yulichang/interceptor/MPJInterceptor.java
View File

@ -32,7 +32,6 @@ import org.apache.ibatis.session.RowBounds;
import java.lang.reflect.Field;
import java.util.*;
import java.util.concurrent.ConcurrentHashMap;
import java.util.stream.Collectors;
/**
* 连表拦截器
@ -175,9 +174,11 @@ public class MPJInterceptor implements Interceptor {
//移除对多查询列，为了可重复使用wrapper
columnList.removeIf(Select::isLabel);
List<ResultMapping> resultMappings = new ArrayList<>();
Set<String> columnSet = new HashSet<>();
for (Select i : columnList) {
if (i.isHasAlias()) {
Field field = fieldMap.get(i.getAlias());
columnSet.add(i.getAlias());
if (Objects.nonNull(field)) {
ResultMapping.Builder builder = new ResultMapping.Builder(ms.getConfiguration(), i.getAlias(),
i.getAlias(), field.getType());
@ -185,6 +186,7 @@ public class MPJInterceptor implements Interceptor {
}
} else {
Field field = fieldMap.get(i.getColumProperty());
columnSet.add(i.getColumProperty());
if (Objects.nonNull(field)) {
ResultMapping.Builder builder = new ResultMapping.Builder(ms.getConfiguration(), i.getColumProperty(),
i.getTagColumn(), field.getType());
@ -192,7 +194,6 @@ public class MPJInterceptor implements Interceptor {
}
}
}
Set<String> columnSet = resultMappings.stream().map(ResultMapping::getColumn).collect(Collectors.toSet());
if (wrapper.isResultMap()) {
for (Object o : wrapper.getResultMapMybatisLabel()) {
MybatisLabel<?, ?> label = (MybatisLabel<?, ?>) o;

34
mybatis-plus-join-test/test-join/src/main/resources/db/data.sql
View File

@ -38,19 +38,19 @@ INSERT INTO `user` (id, pid, `name`, `json`, `address_id`, sex, head_img, create
INSERT INTO `user` (id, pid, `name`, `json`, `address_id`, sex, head_img, create_time, del) VALUES ( 7, 1, '张三 7', '{"id": 7,"name":"张三 7"}', 1, 0, 'https://url-07', '2022-01-01 12:00:00', false);
INSERT INTO `user` (id, pid, `name`, `json`, `address_id`, sex, head_img, create_time, del) VALUES ( 8, 1, '张三 8', '{"id": 8,"name":"张三 8"}', 1, 0, 'https://url-08', '2022-01-01 12:00:00', false);
INSERT INTO `user` (id, pid, `name`, `json`, `address_id`, sex, head_img, create_time, del) VALUES ( 9, 1, '张三 9', '{"id": 9,"name":"张三 9"}', 1, 0, 'https://url-09', '2022-01-01 12:00:00', false);
INSERT INTO `user` (id, pid, `name`, `json`, `address_id`, sex, head_img, create_time, del) VALUES (10, 1, '张三10', '{"id":10,"name":"张三10"}', 1, 0, 'https://url-10', '2022-01-01 12:00:00', false);
INSERT INTO `user` (id, pid, `name`, `json`, `address_id`, sex, head_img, create_time, del) VALUES (11, 1, '张三11', '{"id":11,"name":"张三11"}', 1, 0, 'https://url-11', '2022-01-01 12:00:00', false);
INSERT INTO `user` (id, pid, `name`, `json`, `address_id`, sex, head_img, create_time, del) VALUES (12, 1, '张三12', '{"id":12,"name":"张三12"}', 1, 0, 'https://url-12', '2022-01-01 12:00:00', false);
INSERT INTO `user` (id, pid, `name`, `json`, `address_id`, sex, head_img, create_time, del) VALUES (13, 1, '张三13', '{"id":13,"name":"张三13"}', 1, 0, 'https://url-13', '2022-01-01 12:00:00', false);
INSERT INTO `user` (id, pid, `name`, `json`, `address_id`, sex, head_img, create_time, del) VALUES (14, 1, '张三14', '{"id":14,"name":"张三14"}', 1, 0, 'https://url-14', '2022-01-01 12:00:00', false);
INSERT INTO `user` (id, pid, `name`, `json`, `address_id`, sex, head_img, create_time, del) VALUES (15, 1, '张三15', '{"id":15,"name":"张三15"}', 1, 0, 'https://url-15', '2022-01-01 12:00:00', false);
INSERT INTO `user` (id, pid, `name`, `json`, `address_id`, sex, head_img, create_time, del) VALUES (16, 1, '张三16', '{"id":16,"name":"张三16"}', 1, 0, 'https://url-16', '2022-01-01 12:00:00', false);
INSERT INTO `user` (id, pid, `name`, `json`, `address_id`, sex, head_img, create_time, del) VALUES (17, 1, '张三17', '{"id":17,"name":"张三17"}', 1, 0, 'https://url-17', '2022-01-01 12:00:00', false);
INSERT INTO `user` (id, pid, `name`, `json`, `address_id`, sex, head_img, create_time, del) VALUES (18, 1, '张三18', '{"id":18,"name":"张三18"}', 1, 0, 'https://url-18', '2022-01-01 12:00:00', false);
INSERT INTO `user` (id, pid, `name`, `json`, `address_id`, sex, head_img, create_time, del) VALUES (19, 1, '张三19', '{"id":19,"name":"张三19"}', 1, 0, 'https://url-19', '2022-01-01 12:00:00', false);
INSERT INTO `user` (id, pid, `name`, `json`, `address_id`, sex, head_img, create_time, del) VALUES (20, 1, '张三20', '{"id":20,"name":"张三20"}', 1, 0, 'https://url-20', '2022-01-01 12:00:00', false);
INSERT INTO `user` (id, pid, `name`, `json`, `address_id`, sex, head_img, create_time, del) VALUES (21, 1, '张三21', '{"id":21,"name":"张三21"}', 1, 0, 'https://url-21', '2022-01-01 12:00:00', false);
INSERT INTO `user` (id, pid, `name`, `json`, `address_id`, sex, head_img, create_time, del) VALUES (22, 1, '张三22', '{"id":22,"name":"张三22"}', 1, 0, 'https://url-22', '2022-01-01 12:00:00', false);
INSERT INTO `user` (id, pid, `name`, `json`, `address_id`, sex, head_img, create_time, del) VALUES (10, 1, '张三10', '{"id":10,"name":"张三10"}', 1, 0, 'https://url-10', '2022-01-01 12:00:00', true );
INSERT INTO `user` (id, pid, `name`, `json`, `address_id`, sex, head_img, create_time, del) VALUES (11, 1, '张三11', '{"id":11,"name":"张三11"}', 1, 0, 'https://url-11', '2022-01-01 12:00:00', true );
INSERT INTO `user` (id, pid, `name`, `json`, `address_id`, sex, head_img, create_time, del) VALUES (12, 1, '张三12', '{"id":12,"name":"张三12"}', 1, 0, 'https://url-12', '2022-01-01 12:00:00', true );
INSERT INTO `user` (id, pid, `name`, `json`, `address_id`, sex, head_img, create_time, del) VALUES (13, 1, '张三13', '{"id":13,"name":"张三13"}', 1, 0, 'https://url-13', '2022-01-01 12:00:00', true );
INSERT INTO `user` (id, pid, `name`, `json`, `address_id`, sex, head_img, create_time, del) VALUES (14, 1, '张三14', '{"id":14,"name":"张三14"}', 1, 0, 'https://url-14', '2022-01-01 12:00:00', true );
INSERT INTO `user` (id, pid, `name`, `json`, `address_id`, sex, head_img, create_time, del) VALUES (15, 1, '张三15', '{"id":15,"name":"张三15"}', 1, 0, 'https://url-15', '2022-01-01 12:00:00', true );
INSERT INTO `user` (id, pid, `name`, `json`, `address_id`, sex, head_img, create_time, del) VALUES (16, 1, '张三16', '{"id":16,"name":"张三16"}', 1, 0, 'https://url-16', '2022-01-01 12:00:00', true );
INSERT INTO `user` (id, pid, `name`, `json`, `address_id`, sex, head_img, create_time, del) VALUES (17, 1, '张三17', '{"id":17,"name":"张三17"}', 1, 0, 'https://url-17', '2022-01-01 12:00:00', true );
INSERT INTO `user` (id, pid, `name`, `json`, `address_id`, sex, head_img, create_time, del) VALUES (18, 1, '张三18', '{"id":18,"name":"张三18"}', 1, 0, 'https://url-18', '2022-01-01 12:00:00', true );
INSERT INTO `user` (id, pid, `name`, `json`, `address_id`, sex, head_img, create_time, del) VALUES (19, 1, '张三19', '{"id":19,"name":"张三19"}', 1, 0, 'https://url-19', '2022-01-01 12:00:00', true );
INSERT INTO `user` (id, pid, `name`, `json`, `address_id`, sex, head_img, create_time, del) VALUES (20, 1, '张三20', '{"id":20,"name":"张三20"}', 1, 0, 'https://url-20', '2022-01-01 12:00:00', true );
INSERT INTO `user` (id, pid, `name`, `json`, `address_id`, sex, head_img, create_time, del) VALUES (21, 1, '张三21', '{"id":21,"name":"张三21"}', 1, 0, 'https://url-21', '2022-01-01 12:00:00', true );
INSERT INTO `user` (id, pid, `name`, `json`, `address_id`, sex, head_img, create_time, del) VALUES (22, 1, '张三22', '{"id":22,"name":"张三22"}', 1, 0, 'https://url-22', '2022-01-01 12:00:00', true );
DELETE FROM address;
@ -60,10 +60,10 @@ INSERT INTO address (id, user_id, area_id, tel, address, del) VALUES ( 2, 1, 100
INSERT INTO address (id, user_id, area_id, tel, address, del) VALUES ( 3, 1, 10003, '10000000003', '曹县03', false);
INSERT INTO address (id, user_id, area_id, tel, address, del) VALUES ( 4, 1, 10004, '10000000004', '曹县04', false);
INSERT INTO address (id, user_id, area_id, tel, address, del) VALUES ( 5, 1, 10005, '10000000005', '曹县05', false);
INSERT INTO address (id, user_id, area_id, tel, address, del) VALUES ( 6, 1, 10006, '10000000006', '曹县06', false);
INSERT INTO address (id, user_id, area_id, tel, address, del) VALUES ( 7, 1, 10007, '10000000007', '曹县07', false);
INSERT INTO address (id, user_id, area_id, tel, address, del) VALUES ( 8, 1, 10008, '10000000008', '曹县08', false);
INSERT INTO address (id, user_id, area_id, tel, address, del) VALUES ( 9, 1, 10009, '10000000009', '曹县09', false);
INSERT INTO address (id, user_id, area_id, tel, address, del) VALUES ( 6, 1, 10006, '10000000006', '曹县06', true );
INSERT INTO address (id, user_id, area_id, tel, address, del) VALUES ( 7, 1, 10007, '10000000007', '曹县07', true );
INSERT INTO address (id, user_id, area_id, tel, address, del) VALUES ( 8, 1, 10008, '10000000008', '曹县08', true );
INSERT INTO address (id, user_id, area_id, tel, address, del) VALUES ( 9, 1, 10009, '10000000009', '曹县09', true );
INSERT INTO address (id, user_id, area_id, tel, address, del) VALUES (10,10, 10010, '10000000010', '曹县10', false);
INSERT INTO address (id, user_id, area_id, tel, address, del) VALUES (11,11, 10011, '10000000011', '曹县11', false);
INSERT INTO address (id, user_id, area_id, tel, address, del) VALUES (12,12, 10012, '10000000012', '曹县12', false);

31
mybatis-plus-join-test/test-join/src/test/java/com/github/yulichang/test/join/LambdaWrapperTest.java
View File

@ -131,6 +131,37 @@ class LambdaWrapperTest {
System.out.println(list);
}
/**
* 逻辑删除测试
*/
@Test
void testLogicDel() {
List<UserDTO> l1 = userMapper.selectJoinList(UserDTO.class, new MPJLambdaWrapper<>());
assert l1.size() < 10;
List<UserDTO> l2 = userMapper.selectJoinList(UserDTO.class, new MPJLambdaWrapper<UserDO>()
.selectAll(UserDO.class)
.select(AddressDO::getAddress)
.leftJoin(AddressDO.class, AddressDO::getUserId, UserDO::getId));
assert l2.size() <= 5;
List<UserDTO> l3 = userMapper.selectJoinList(UserDTO.class, new MPJLambdaWrapper<UserDO>()
.disableSubLogicDel()
.selectAll(UserDO.class)
.selectCollection(AddressDO.class, UserDTO::getAddressList)
.leftJoin(AddressDO.class, AddressDO::getUserId, UserDO::getId));
assert l3.size() > 5 && l3.get(0).getAddressList().size() > 5;
List<UserDTO> l4 = userMapper.selectJoinList(UserDTO.class, new MPJLambdaWrapper<UserDO>()
.disableSubLogicDel()
.selectAll(UserDO.class)
.selectCollection(AddressDO.class, UserDTO::getAddressList)
.leftJoin(AddressDO.class, on -> on
.eq(AddressDO::getUserId, UserDO::getId)
.eq(AddressDO::getDel, false)));
assert l4.size() > 5 && l4.get(0).getAddressList().size() <= 5;
}
/**
* 别名测试