MDEV-11108: Assertion `uniq_tuple_length_arg <= table->file->max_key_length()'...

MDEV-11108: Assertion `uniq_tuple_length_arg <= table->file->max_key_length()' failed in SJ_TMP_TABLE::create_sj_weedout_tmp_table

Removed the assert from the if clause to the else clause.

sql/opt_subselect.cc

@@ -4044,13 +4044,13 @@ SJ_TMP_TABLE::create_sj_weedout_tmp_table(THD *thd)
     share->db_plugin= ha_lock_engine(0, TMP_ENGINE_HTON);
     table->file= get_new_handler(share, &table->mem_root,
                                  share->db_type());
-    DBUG_ASSERT(uniq_tuple_length_arg <= table->file->max_key_length());
   }
   else
   {
     share->db_plugin= ha_lock_engine(0, heap_hton);
     table->file= get_new_handler(share, &table->mem_root,
                                  share->db_type());
+    DBUG_ASSERT(uniq_tuple_length_arg <= table->file->max_key_length());
   }
   if (!table->file)
     goto err;