MDEV-34647: small refactoring after main fix

sql/sql_parse.cc

@@ -4747,10 +4747,12 @@ mysql_execute_command(THD *thd)
 #ifdef WITH_WSREP
       if (wsrep && !first_table->view)
       {
-        bool is_innodb= first_table->table->file->partition_ht()->db_type == DB_TYPE_INNODB;
-
+        const legacy_db_type db_type= first_table->table->file->partition_ht()->db_type;
+        // For InnoDB we don't need to worry about anything here:
+        if (db_type != DB_TYPE_INNODB)
+        {
           // For consistency check inserted table needs to be InnoDB
-        if (!is_innodb && thd->wsrep_consistency_check != NO_CONSISTENCY_CHECK)
+          if (thd->wsrep_consistency_check != NO_CONSISTENCY_CHECK)
           {
             push_warning_printf(thd, Sql_condition::WARN_LEVEL_WARN,
                                 HA_ERR_UNSUPPORTED,
@@ -4758,25 +4760,23 @@ mysql_execute_command(THD *thd)
                                 " for InnoDB tables.");
             thd->wsrep_consistency_check= NO_CONSISTENCY_CHECK;
           }
-
           /* Only TOI allowed to !InnoDB tables */
-	if (!is_innodb && wsrep_OSU_method_get(thd) != WSREP_OSU_TOI)
+          if (wsrep_OSU_method_get(thd) != WSREP_OSU_TOI)
           {
             my_error(ER_NOT_SUPPORTED_YET, MYF(0), "RSU on this table engine");
             break;
           }
-
           // For !InnoDB we start TOI if it is not yet started and hope for the best
-        if (!is_innodb && !wsrep_toi)
+          if (!wsrep_toi)
           {
-          const legacy_db_type db_type= first_table->table->file->partition_ht()->db_type;
-
             /* Currently we support TOI for MyISAM only. */
             if (db_type == DB_TYPE_MYISAM && wsrep_replicate_myisam)
               WSREP_TO_ISOLATION_BEGIN(first_table->db.str, first_table->table_name.str, NULL);
           }
         }
+      }
 #endif /* WITH_WSREP */
+
       /*
         Only the INSERT table should be merged. Other will be handled by
         select.