From 914086668d9b0346f99e3953f2a7ed628f6d5f39 Mon Sep 17 00:00:00 2001
From: Yan Tingwang <tingwangyan2020@163.com>
Date: Fri, 11 Jul 2025 10:11:21 +0800
Subject: [PATCH] fix: add system variable max_execution_time (#6511)

add system variable : max_execution_time

Signed-off-by: codephage. <tingwangyan2020@163.com>
---
 src/servers/src/mysql/federated.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/servers/src/mysql/federated.rs b/src/servers/src/mysql/federated.rs
index c0e3cbe929..9769bd1f6f 100644
--- a/src/servers/src/mysql/federated.rs
+++ b/src/servers/src/mysql/federated.rs
@@ -185,6 +185,9 @@ fn select_variable(query: &str, query_context: QueryContextRef) -> Option<Output
         let value = match var_as[0] {
             "session.time_zone" | "time_zone" => query_context.timezone().to_string(),
             "system_time_zone" => system_timezone_name(),
+            "max_execution_time" | "session.max_execution_time" => {
+                query_context.query_timeout_as_millis().to_string()
+            }
             _ => VAR_VALUES
                 .get(var_as[0])
                 .map(|v| v.to_string())