The PDML operator does not call the member's destructor, resulting in the operator's member RtDef not being destructed, causing a memory leak

src/sql/engine/pdml/static/ob_px_multi_part_delete_op.h

@@ -107,6 +107,12 @@ public:
   virtual int inner_get_next_row();
   virtual int inner_open();
   virtual int inner_close();
+  virtual void destroy()
+  {
+    // destroy
+    del_rtdef_.~ObDelRtDef();
+    ObTableModifyOp::destroy();
+  }
 private:
   ObPDMLOpDataDriver data_driver_;
   ObDelRtDef del_rtdef_;

src/sql/engine/pdml/static/ob_px_multi_part_insert_op.h

@@ -104,6 +104,12 @@ public:
   virtual int inner_get_next_row();
   virtual int inner_open();
   virtual int inner_close();
+  virtual void destroy()
+  {
+    // destroy
+    ins_rtdef_.~ObInsRtDef();
+    ObTableModifyOp::destroy();
+  }
 protected:
   ObPDMLOpDataDriver data_driver_;
   ObInsRtDef ins_rtdef_;

src/sql/engine/pdml/static/ob_px_multi_part_update_op.h

@@ -89,6 +89,12 @@ public:
   virtual int inner_get_next_row();
   virtual int inner_open();
   virtual int inner_close();
+  virtual void destroy()
+  {
+    // destroy
+    upd_rtdef_.~ObUpdRtDef();
+    ObTableModifyOp::destroy();
+  }
 private:
   int update_row_to_das(const ObDASTabletLoc *tablet_loc);
 private: