From 64f57a5702459ae5cc6e98674f29e3dff3916fc1 Mon Sep 17 00:00:00 2001
From: black <hello.bug@foxmail.com>
Date: Wed, 31 May 2023 17:44:13 +0800
Subject: [PATCH] fix: RenameIndex should drop old index

---
 migrator.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/migrator.go b/migrator.go
index 7458326..fd2eeb4 100644
--- a/migrator.go
+++ b/migrator.go
@@ -322,6 +322,9 @@ func (m Migrator) RenameIndex(value interface{}, oldName, newName string) error
 		var sql string
 		m.DB.Raw("SELECT sql FROM sqlite_master WHERE type = ? AND tbl_name = ? AND name = ?", "index", stmt.Table, oldName).Row().Scan(&sql)
 		if sql != "" {
+			if err := m.DropIndex(value, oldName); err != nil {
+				return err
+			}
 			return m.DB.Exec(strings.Replace(sql, oldName, newName, 1)).Error
 		}
 		return fmt.Errorf("failed to find index with name %v", oldName)