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dashboard: Add note about prepared statements in Slow Query Detail #21375

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ti-chi-bot merged 1 commit into from
Feb 24, 2026
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dashboard: Add note about prepared statements in Slow Query Detail #21375

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3 changes: 2 additions & 1 deletion dashboard/dashboard-slow-query.md
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Expand Up @@ -62,7 +62,8 @@ aliases: ['/docs-cn/dev/dashboard/dashboard-slow-query/']

>**注意：**
>
> 记录在 `Query` 中的查询的长度会受到 [`tidb_stmt_summary_max_sql_length`](/system-variables.md#tidb_stmt_summary_max_sql_length-从-v40-版本开始引入) 系统变量的限制。
> - 记录在 `Query` 中的查询的长度会受到 [`tidb_stmt_summary_max_sql_length`](/system-variables.md#tidb_stmt_summary_max_sql_length-从-v40-版本开始引入) 系统变量的限制。
> - 对于预处理语句，参数会在查询末尾列出，例如：`[arguments: "foo", 123]`。不可打印的参数会以十六进制字面量显示，例如 `0x01`。

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