From de8a091767eff6eecfcd2a630441ddaccb271303 Mon Sep 17 00:00:00 2001
From: Lauris BH <lauris@nix.lv>
Date: Fri, 9 Mar 2018 03:20:57 +0200
Subject: [PATCH] Fix MySQL and PostgreSQL column drop SQL (#3649)

---
 models/migrations/migrations.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/models/migrations/migrations.go b/models/migrations/migrations.go
index e7f3dae64..cc40bd827 100644
--- a/models/migrations/migrations.go
+++ b/models/migrations/migrations.go
@@ -233,7 +233,7 @@ func dropTableColumns(x *xorm.Engine, tableName string, columnNames ...string) (
 			}
 			cols += "DROP COLUMN `" + col + "`"
 		}
-		if _, err := x.Exec(fmt.Sprintf("ALTER TABLE `%s` %s", tableName, columnNames)); err != nil {
+		if _, err := x.Exec(fmt.Sprintf("ALTER TABLE `%s` %s", tableName, cols)); err != nil {
 			return fmt.Errorf("Drop table `%s` columns %v: %v", tableName, columnNames, err)
 		}
 	case setting.UseMSSQL: