From 79f427d8625842abeb24debceb7249223ae86d82 Mon Sep 17 00:00:00 2001
From: Paras Waykole <paraswaykole12@gmail.com>
Date: Wed, 19 May 2021 13:35:29 +0530
Subject: [PATCH] fixed has_many stopped working if field names are identical
 (#4387)

* fixed belongs_to & has_one reversed if field same

* hasmany same foreign key bug fixed and test added
---
 schema/relationship.go      |  2 +-
 schema/relationship_test.go | 19 +++++++++++++++++++
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/schema/relationship.go b/schema/relationship.go
index b2d485de..62256c28 100644
--- a/schema/relationship.go
+++ b/schema/relationship.go
@@ -408,7 +408,7 @@ func (schema *Schema) guessRelation(relation *Relationship, field *Field, cgl gu
 			ff := foreignSchema.LookUpField(foreignKey)
 			pf := primarySchema.LookUpField(foreignKey)
 			isKeySame := utils.ExistsIn(foreignKey, &relation.primaryKeys)
-			if ff == nil || (pf != nil && ff != nil && schema == primarySchema && primarySchema != foreignSchema && !isKeySame) {
+			if ff == nil || (pf != nil && ff != nil && schema == primarySchema && primarySchema != foreignSchema && !isKeySame && field.IndirectFieldType.Kind() == reflect.Struct) {
 				reguessOrErr()
 				return
 			} else {
diff --git a/schema/relationship_test.go b/schema/relationship_test.go
index 391e3a25..d0ffc28a 100644
--- a/schema/relationship_test.go
+++ b/schema/relationship_test.go
@@ -501,3 +501,22 @@ func TestBelongsToWithSameForeignKey(t *testing.T) {
 		References: []Reference{{"ID", "Profile", "ProfileRefer", "User", "", false}},
 	})
 }
+
+func TestHasManySameForeignKey(t *testing.T) {
+	type Profile struct {
+		gorm.Model
+		Name      string
+		UserRefer uint
+	}
+
+	type User struct {
+		gorm.Model
+		UserRefer uint
+		Profile   []Profile `gorm:"ForeignKey:UserRefer"`
+	}
+
+	checkStructRelation(t, &User{}, Relation{
+		Name: "Profile", Type: schema.HasMany, Schema: "User", FieldSchema: "Profile",
+		References: []Reference{{"ID", "User", "UserRefer", "Profile", "", true}},
+	})
+}