system-variables: add global scope to tidb_replica_read (#10638) (#10929

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pingcap · Aug 16, 2022 · d44cbbe · d44cbbe
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commit d44cbbe
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/system-variables.md b/system-variables.md
@@ -1392,7 +1392,7 @@ SET tidb_query_log_max_len = 20;
 
 ### `tidb_replica_read` <span class="version-mark">从 v4.0 版本开始引入</span>
 
-- 作用域：SESSION
+- 作用域：SESSION | GLOBAL
 - 默认值：`leader`
 - 可选值：`leader`，`follower`，`leader-and-follower`
 - 这个变量用于控制 TiDB 读取数据的位置，有以下三个选择：