make it optional by giving it a workaround field

gorm.go

@@ -32,6 +32,10 @@ type Config struct {
 	DisableAutomaticPing bool
 	// DisableForeignKeyConstraintWhenMigrating
 	DisableForeignKeyConstraintWhenMigrating bool
+	// Workarounds this is for some exotic databases that requires internal changes rather than avoiding the problem by extending the dialects
+	Workarounds struct {
+		DoColumnLowerCasing bool
+	}
 
 	// ClauseBuilders clause builder
 	ClauseBuilders map[string]clause.ClauseBuilder

scan.go

@@ -14,9 +14,11 @@ func Scan(rows *sql.Rows, db *DB, initialized bool) {
 	columns, _ := rows.Columns()
 	values := make([]interface{}, len(columns))
 
+	if db.Workarounds.DoColumnLowerCasing {
 		columns = funk.Map(columns, func(s string) string {
 			return strings.ToLower(s)
 		}).([]string)
+	}
 
 	switch dest := db.Statement.Dest.(type) {
 	case map[string]interface{}, *map[string]interface{}: