From f5e77aab2fd3886f8743d6c9da87d5171f31a521 Mon Sep 17 00:00:00 2001
From: black-06 <hello.bug@foxmail.com>
Date: Tue, 17 May 2022 10:59:53 +0800
Subject: [PATCH] fix: quote index when creating table (#5331)

---
 migrator/migrator.go  |  2 +-
 tests/migrate_test.go | 19 +++++++++++++++++++
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/migrator/migrator.go b/migrator/migrator.go
index d4989410..757ab949 100644
--- a/migrator/migrator.go
+++ b/migrator/migrator.go
@@ -223,7 +223,7 @@ func (m Migrator) CreateTable(values ...interface{}) error {
 					}
 
 					createTableSQL += ","
-					values = append(values, clause.Expr{SQL: idx.Name}, tx.Migrator().(BuildIndexOptionsInterface).BuildIndexOptions(idx.Fields, stmt))
+					values = append(values, clause.Column{Name: idx.Name}, tx.Migrator().(BuildIndexOptionsInterface).BuildIndexOptions(idx.Fields, stmt))
 				}
 			}
 
diff --git a/tests/migrate_test.go b/tests/migrate_test.go
index f862eda0..12eb8ed0 100644
--- a/tests/migrate_test.go
+++ b/tests/migrate_test.go
@@ -262,6 +262,25 @@ func TestMigrateTable(t *testing.T) {
 	}
 }
 
+func TestMigrateWithQuotedIndex(t *testing.T) {
+	if DB.Dialector.Name() != "mysql" {
+		t.Skip()
+	}
+
+	type QuotedIndexStruct struct {
+		gorm.Model
+		Name string `gorm:"size:255;index:AS"` // AS is one of MySQL reserved words
+	}
+
+	if err := DB.Migrator().DropTable(&QuotedIndexStruct{}); err != nil {
+		t.Fatalf("Failed to drop table, got error %v", err)
+	}
+
+	if err := DB.AutoMigrate(&QuotedIndexStruct{}); err != nil {
+		t.Fatalf("Failed to auto migrate, but got error %v", err)
+	}
+}
+
 func TestMigrateIndexes(t *testing.T) {
 	type IndexStruct struct {
 		gorm.Model