From 6ee039c4c54cdde1739d8581162d11fae3893036 Mon Sep 17 00:00:00 2001
From: sunkaixuan <610262374@qq.com>
Date: Mon, 9 May 2022 21:55:55 +0800
Subject: [PATCH] Generated SQL optimization

---
 .../Abstract/QueryableProvider/QueryableProvider.cs       | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs b/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
index 1a782b08d..08284c977 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
@@ -1044,6 +1044,14 @@ namespace SqlSugar
         }
         public virtual int Count()
         {
+            if (this.QueryBuilder.Skip == null&& 
+                this.QueryBuilder.Take == null&& 
+                this.QueryBuilder.OrderByValue == null && 
+                this.QueryBuilder.PartitionByValue == null) 
+            {
+
+                return this.Clone().Select<int>(" COUNT(1) ").ToList().First();
+            }
             MappingTableList expMapping;
             int result;
             _CountBegin(out expMapping, out result);