From d89c862dd93da6682801887635d724b84eb73942 Mon Sep 17 00:00:00 2001
From: 2881099 <2881099@users.noreply.github.com>
Date: Sun, 31 Jan 2021 00:38:38 +0800
Subject: [PATCH] =?UTF-8?q?Updated=20=E5=88=86=E7=BB=84=E8=81=9A=E5=90=88?=
 =?UTF-8?q?=E6=9F=A5=E8=AF=A2=20(markdown)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 分组聚合查询.md | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/分组聚合查询.md b/分组聚合查询.md
index 66057df..226147c 100644
--- a/分组聚合查询.md
+++ b/分组聚合查询.md
@@ -61,6 +61,14 @@ var list = fsql.Select<Topic>()
     .ToList(a => new { a.Key.Area.Name });
 ```
 
+## Aggregate
+
+```c#
+var list = fsql.Select<Topic>()
+    .Aggregate(a => Convert.ToInt32("count(distinct title)"), out var count)
+    .ToList();
+```
+
 ## API
 
 | 方法 | 返回值 | 参数 | 描述 |