Fix clang-21 -Wunnecessary-virtual-specifier

Member functions of a final class cannot be virtual.

Author: dr-m

sql/ha_partition.h

@@ -468,11 +468,11 @@ class ha_partition final :public handler
   {
     return m_is_clone_of;
   }
-  virtual part_id_range *get_part_spec()
+  part_id_range *get_part_spec()
   {
     return &m_part_spec;
   }
-  virtual uint get_no_current_part_id()
+  uint get_no_current_part_id()
   {
     return NO_CURRENT_PART_ID;
   }
@@ -915,7 +915,7 @@ class ha_partition final :public handler
   /* Range iterator structure to be supplied to partitions */
   RANGE_SEQ_IF m_part_seq_if;
 
-  virtual int multi_range_key_create_key(
+  int multi_range_key_create_key(
     RANGE_SEQ_IF *seq,
     range_seq_t seq_it
   );
@@ -1385,7 +1385,7 @@ class ha_partition final :public handler
 private:
   int reset_auto_increment(ulonglong value) override;
   int update_next_auto_inc_val();
-  virtual void lock_auto_increment()
+  void lock_auto_increment()
   {
     /* lock already taken */
     if (auto_increment_safe_stmt_log_lock)
@@ -1397,7 +1397,7 @@ class ha_partition final :public handler
       auto_increment_lock= TRUE;
     }
   }
-  virtual void unlock_auto_increment()
+  void unlock_auto_increment()
   {
     /*
       If auto_increment_safe_stmt_log_lock is true, we have to keep the lock.
@@ -1410,7 +1410,7 @@ class ha_partition final :public handler
       part_share->unlock_auto_inc();
     }
   }
-  virtual void set_auto_increment_if_higher(Field *field)
+  void set_auto_increment_if_higher(Field *field)
   {
     ulonglong nr= (((Field_num*) field)->unsigned_flag ||
                    field->val_int() > 0) ? field->val_int() : 0;

storage/csv/ha_tina.h

@@ -126,7 +126,7 @@ class ha_tina final : public handler
    */
   double scan_time() override { return (double) (stats.records+stats.deleted) / 20.0+10; }
   /* The next method will never be called */
-  virtual bool fast_key_read() { return 1;}
+  bool fast_key_read() { return 1;}
   /* 
     TODO: return actual upper bound of number of records in the table.
     (e.g. save number of records seen on full table scan and/or use file size