inner 1568

src/main/java/com/actiontech/dble/backend/mysql/nio/handler/query/impl/subquery/SingleRowSubQueryHandler.java

@@ -44,7 +44,7 @@ public class SingleRowSubQueryHandler extends SubQueryHandler {
                 this.fieldPackets = fieldPackets;
                 sourceField = HandlerTool.createField(this.fieldPackets.get(0));
                 if (itemSubQuery.isField()) {
-                    setSubQueryFiled();
+                    setSubQueryField();
                 }
             }
         } finally {
@@ -71,7 +71,7 @@ public class SingleRowSubQueryHandler extends SubQueryHandler {
                 row.read(rowNull);
             }
             if (!itemSubQuery.isField()) {
-                setSubQueryFiled();
+                setSubQueryField();
             }
             sourceField.setPtr(row.getValue(0));
         } finally {
@@ -86,7 +86,7 @@ public class SingleRowSubQueryHandler extends SubQueryHandler {
         return HandlerType.SCALAR_SUB_QUERY;
     }
 
-    private void setSubQueryFiled() {
+    private void setSubQueryField() {
         Item select = itemSubQuery.getSelect();
         select.setPushDownName(select.getAlias());
         Item tmpItem = HandlerTool.createItem(select, Collections.singletonList(this.sourceField), 0, isAllPushDown(), type());

src/main/java/com/actiontech/dble/plan/util/PlanUtil.java

@@ -109,6 +109,8 @@ public final class PlanUtil {
     public static boolean canPush(Item sel, PlanNode child, PlanNode parent) {
         if (sel == null)
             return false;
+        if (sel.isWithSubQuery())
+            return false;
         if (sel.isWithSumFunc())
             return false;
         HashSet<PlanNode> referTables = sel.getReferTables();