From ec58e3319feef549f3f0b01235e3254559b5828c Mon Sep 17 00:00:00 2001
From: kinggo <30891428+longlihale@users.noreply.github.com>
Date: Tue, 12 Oct 2021 21:19:08 +0800
Subject: [PATCH] fixed:panic when create value from nil struct pointer.
 (#4771)

* fixed:create nil pointer

* fixed:panic when create value from nil struct pointer.
---
 schema/schema.go     | 7 ++++++-
 tests/create_test.go | 9 +++++++++
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/schema/schema.go b/schema/schema.go
index c425070b..60a434fa 100644
--- a/schema/schema.go
+++ b/schema/schema.go
@@ -77,7 +77,12 @@ func Parse(dest interface{}, cacheStore *sync.Map, namer Namer) (*Schema, error)
 		return nil, fmt.Errorf("%w: %+v", ErrUnsupportedDataType, dest)
 	}
 
-	modelType := reflect.Indirect(reflect.ValueOf(dest)).Type()
+	value := reflect.ValueOf(dest)
+	if value.Kind() == reflect.Ptr && value.IsNil() {
+		value = reflect.New(value.Type().Elem())
+	}
+	modelType := reflect.Indirect(value).Type()
+
 	if modelType.Kind() == reflect.Interface {
 		modelType = reflect.Indirect(reflect.ValueOf(dest)).Elem().Type()
 	}
diff --git a/tests/create_test.go b/tests/create_test.go
index bd968ea8..060f78af 100644
--- a/tests/create_test.go
+++ b/tests/create_test.go
@@ -517,3 +517,12 @@ func TestCreateFromSubQuery(t *testing.T) {
 		t.Errorf("invalid insert SQL, got %v", result.Statement.SQL.String())
 	}
 }
+
+func TestCreateNilPointer(t *testing.T) {
+	var user *User
+
+	err := DB.Create(user).Error
+	if err == nil || err != gorm.ErrInvalidValue {
+		t.Fatalf("it is not ErrInvalidValue")
+	}
+}