From 139823251ffc78281006d5712866ab02eb0dea97 Mon Sep 17 00:00:00 2001
From: Leon Zhang <martianzhang@hotmail.com>
Date: Sat, 27 Oct 2018 18:27:38 +0800
Subject: [PATCH] add doc for `-cleanup-test-database`

---
 doc/cheatsheet.md | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/doc/cheatsheet.md b/doc/cheatsheet.md
index f114587..24b7dc3 100644
--- a/doc/cheatsheet.md
+++ b/doc/cheatsheet.md
@@ -8,6 +8,16 @@
 echo "select title from sakila.film" | ./soar -log-output=soar.log
 ```
 
+## 指定输入源
+
+```bash
+# 从文件读取SQL
+./soar -query file.sql
+
+# 从管道读取SQL
+cat file.sql | ./soar
+```
+
 ## 指定配置文件
 
 ```bash
@@ -172,3 +182,13 @@ EOF
 $ cat test.md | soar -report-type md2html > test.html
 ```
 
+## 清理测试环境残余的临时库表
+
+如配置了`-drop-test-temporary=false`或`soar`异常中止，`-test-dsn`中会残余以`optimizer_`为前缀的临时库表。手工清理这些库表可以使用如下命令。
+
+注意：为了不影响正在进行的其他SQL评审，`-cleanup-test-database`中会删除1小时前生成的临时库表。
+
+```bash
+./soar -cleanup-test-database
+```
+
-- 
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