fixed and close #I6X4U8

mybatis-flex-core/src/main/java/com/mybatisflex/core/query/Brackets.java

@@ -54,6 +54,10 @@ public class Brackets extends QueryCondition {
         return checkEffective() ? WrapperUtil.getValues(childCondition) : null;
     }
 
+    public QueryCondition getChildCondition(){
+        return childCondition;
+    }
+
     @Override
     public String toSql(List<QueryTable> queryTables, IDialect dialect) {
         StringBuilder sql = new StringBuilder();

mybatis-flex-core/src/main/java/com/mybatisflex/core/query/WrapperUtil.java

@@ -38,6 +38,17 @@ class WrapperUtil {
         List<QueryWrapper> list = null;
         while (condition != null) {
             if (condition.checkEffective()) {
+                if (condition instanceof Brackets) {
+                    List<QueryWrapper> childQueryWrapper = getChildSelect(((Brackets) condition).getChildCondition());
+                    if (!childQueryWrapper.isEmpty()) {
+                        if (list == null) {
+                            list = new ArrayList<>();
+                        }
+                        list.addAll(childQueryWrapper);
+                    }
+                }
+                // not Brackets
+                else {
                     Object value = condition.getValue();
                     if (value instanceof QueryWrapper) {
                         if (list == null) {
@@ -58,6 +69,7 @@ class WrapperUtil {
                         }
                     }
                 }
+            }
             condition = condition.next;
         }
         return list == null ? Collections.emptyList() : list;

mybatis-flex-test/mybatis-flex-native-test/src/main/java/com/mybatisflex/test/EntityTestStarter.java

@@ -64,6 +64,19 @@ public class EntityTestStarter {
 //        Page<Account> paginate = accountMapper.paginate(1,10,queryWrapper);
 //        System.out.println(paginate);
 
+
+
+//        QueryWrapper query = QueryWrapper.create()
+//                .where(ACCOUNT.ID.in(
+//                                select(ACCOUNT.ID).from(ACCOUNT)
+//                                        .where(ACCOUNT.ID.eq(1))
+//                        ).and("1 = 1")
+//                );
+//
+//        List<Account> accounts = accountMapper.selectListByQuery(query);
+//        System.out.println(accounts);
+
+
 //        List<Account> accounts = new ArrayList<>();
 //        for (int i = 0; i < 10; i++) {
 //            Account account = new Account();