From fd15156d399274bcf281ac25ca0536075abd637a Mon Sep 17 00:00:00 2001
From: Jinzhu <wosmvp@gmail.com>
Date: Sun, 11 Feb 2018 09:16:10 +0800
Subject: [PATCH] Fix Count in mssql for SQL with group

---
 query_test.go | 9 +++++++++
 scope.go      | 4 ++--
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/query_test.go b/query_test.go
index 98721800..882fd611 100644
--- a/query_test.go
+++ b/query_test.go
@@ -430,6 +430,15 @@ func TestCount(t *testing.T) {
 	if count1 != 1 || count2 != 3 {
 		t.Errorf("Multiple count in chain")
 	}
+
+	var count3 int
+	if err := DB.Model(&User{}).Where("name in (?)", []string{user2.Name, user2.Name, user3.Name}).Group("id").Count(&count3).Error; err != nil {
+		t.Errorf("Not error should happen, but got %v", err)
+	}
+
+	if count3 != 2 {
+		t.Errorf("Should get correct count, but got %v", count3)
+	}
 }
 
 func TestNot(t *testing.T) {
diff --git a/scope.go b/scope.go
index 63bf618f..ae98d251 100644
--- a/scope.go
+++ b/scope.go
@@ -951,8 +951,8 @@ func (scope *Scope) pluck(column string, value interface{}) *Scope {
 func (scope *Scope) count(value interface{}) *Scope {
 	if query, ok := scope.Search.selects["query"]; !ok || !countingQueryRegexp.MatchString(fmt.Sprint(query)) {
 		if len(scope.Search.group) != 0 {
-			scope.Search.Select("count(*) FROM ( SELECT count(*) ")
-			scope.Search.group += " ) AS count"
+			scope.Search.Select("count(*) FROM ( SELECT count(*) as name ")
+			scope.Search.group += " ) AS count_table"
 		} else {
 			scope.Search.Select("count(*)")
 		}