third_codes/mybatis-plus-join
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fix: applyFunc 子查询异常

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yulichang 2024-11-01 16:24:40 +08:00
parent 8ecc698723
commit d7f7f19fac
3 changed files with 29 additions and 1 deletions
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6
mybatis-plus-join-core/src/main/java/com/github/yulichang/wrapper/JoinAbstractWrapper.java
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@ -414,6 +414,12 @@ public abstract class JoinAbstractWrapper<T, Children extends JoinAbstractWrappe
Arrays.stream(funcConsumer.getArgs()).map(func -> {
if (func instanceof Fun) {
Fun<?, ?> fun = (Fun<?, ?>) func;
if (fun.isSub()) {
@SuppressWarnings("rawtypes")
MPJLambdaWrapper wrapper = fun.getSub().apply((MPJLambdaWrapper) subInstance(fun.getClazz()));
return WrapperUtils.buildUnionSqlByWrapper(fun.getClazz(),
fun.getSub().apply(wrapper));
}
return columnToString(index, fun.getAlias(), fun.getFunc(), false, PrefixEnum.CD_FIRST, false);
}
return columnToString(index, null, func, false, PrefixEnum.CD_FIRST, false);

22
mybatis-plus-join-test/test-join/src/test/java/com/github/yulichang/test/join/unit/ApplyFuncTest.java
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@ -57,4 +57,26 @@ public class ApplyFuncTest {
list1.forEach(System.out::println);
}
@Test
void applyFunc1() {
ThreadLocalUtils.set("""
SELECT
t.pid, t.`name`, t.`json`, t.sex, t.head_img, t.create_time, t.address_id,
t.address_id2, t.del, t.create_by, t.update_by
FROM `user` t
LEFT JOIN address t1 ON (t1.user_id = t.id)
WHERE t.del = false
AND t1.del = false
AND (concat(t.id, t.id, (SELECT st.id, st.id FROM `user` st WHERE st.del = false AND (st.id = ? AND st.id = ?)), ?) IS NOT NULL)
""");
JoinWrappers.lambda(UserDO.class)
.selectAll(UserDO.class, UserDO::getId)
.leftJoin(AddressDO.class, AddressDO::getUserId, UserDO::getId)
.applyFunc("concat(%s, %s, %s, {0}) is not null", arg -> arg.accept(
UserDO::getId,
Fun.f("t", UserDO::getId),
Fun.f(UserDO.class, user -> user.select(UserDO::getId).eq(UserDO::getId, 1))
), "12")
.list();
}
}

2
pom.xml
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@ -44,7 +44,7 @@
</modules>
<properties>
<revision>1.5.2</revision>
<revision>1.5.3</revision>
<mybatis.plus.version>3.5.9</mybatis.plus.version>
<jdkVersion>17</jdkVersion>