[CP] add _ob_wait_interval_after_truncate conf for truncate

src/share/parameter/ob_parameter_seed.ipp

@@ -1410,3 +1410,6 @@ DEF_INT(_pipelined_table_function_memory_limit, OB_TENANT_PARAMETER, "524288000"
 DEF_BOOL(_enable_reserved_user_dcl_restriction, OB_CLUSTER_PARAMETER, "False",
          "specifies whether to forbid non-reserved user to modify reserved users",
          ObParameterAttr(Section::OBSERVER, Source::DEFAULT, EditLevel::DYNAMIC_EFFECTIVE));
+DEF_TIME(_wait_interval_after_truncate, OB_CLUSTER_PARAMETER, "30s", "[0s,)",
+        "time interval for waiting other servers to refresh schema after truncate",
+        ObParameterAttr(Section::OBSERVER, Source::DEFAULT, EditLevel::DYNAMIC_EFFECTIVE));

src/sql/engine/cmd/ob_table_executor.cpp

@@ -1774,7 +1774,7 @@ int ObTruncateTableExecutor::execute(ObExecContext &ctx, ObTruncateTableStmt &st
                           && consensus_schema_version >= res.task_id_) {
                 break;
               } else if (refreshed_schema_version >= res.task_id_
-                          && ObTimeUtility::current_time() - step_time >= 10 * 1000 * 1000) { //10s
+                          && ObTimeUtility::current_time() - step_time >= GCONF._wait_interval_after_truncate) {
                 break;
               } else {
                 ob_usleep(10 * 1000);

tools/deploy/mysql_test/test_suite/inner_table/r/mysql/all_virtual_sys_parameter_stat.result

@@ -335,6 +335,7 @@ _temporary_file_io_area_size
 _trace_control_info
 _tx_result_retention
 _upgrade_stage
+_wait_interval_after_truncate
 _xa_gc_interval
 _xa_gc_timeout
 __balance_controller