From d2afedf5bab3b4b48bdc5c6dee8f20ecc067a761 Mon Sep 17 00:00:00 2001
From: black <hello.bug@foxmail.com>
Date: Fri, 13 Oct 2023 18:37:40 +0800
Subject: [PATCH] feat: add MigrateColumnUnique

---
 migrator.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/migrator.go b/migrator.go
index 0e01f567..3d2b032b 100644
--- a/migrator.go
+++ b/migrator.go
@@ -87,6 +87,8 @@ type Migrator interface {
 	DropColumn(dst interface{}, field string) error
 	AlterColumn(dst interface{}, field string) error
 	MigrateColumn(dst interface{}, field *schema.Field, columnType ColumnType) error
+	// MigrateColumnUnique migrate column's UNIQUE constraint, it's part of MigrateColumn.
+	MigrateColumnUnique(dst interface{}, field *schema.Field, columnType ColumnType) error
 	HasColumn(dst interface{}, field string) bool
 	RenameColumn(dst interface{}, oldName, field string) error
 	ColumnTypes(dst interface{}) ([]ColumnType, error)