From a388744d58fe81edb147e2ddcb9f7800268911ba Mon Sep 17 00:00:00 2001
From: bigxu <bigxu@foxmail.com>
Date: Thu, 14 May 2020 16:46:07 +0800
Subject: [PATCH] Fiexed:set ms.IgnoreUnknown true when length sqlFile is not 0

---
 migrate.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/migrate.go b/migrate.go
index a4ef791c..2da5d0a5 100644
--- a/migrate.go
+++ b/migrate.go
@@ -582,7 +582,8 @@ func (ms MigrationSet) PlanMigration(db *sql.DB, dialect string, m MigrationSour
 
 	// Make sure all migrations in the database are among the found migrations which
 	// are to be applied.
-	if !ms.IgnoreUnknown {
+	// patch for special sql file: len(sqlFiles) == 0
+	if !ms.IgnoreUnknown && len(sqlFiles) == 0 {
 		migrationsSearch := make(map[string]struct{})
 		for _, migration := range migrations {
 			migrationsSearch[migration.Id] = struct{}{}