Add comment for migration

lunny · lunny · commit 358e1bf8184c · 2021-12-02T19:57:16.000+08:00
diff --git a/models/migrations/v184.go b/models/migrations/v184.go
@@ -30,6 +30,7 @@ func renameTaskErrorsToMessage(x *xorm.Engine) error {
 		return fmt.Errorf("error on Sync2: %v", err)
 	}
 
+	// This migration maybe rerun so that we should check if it has been run
 	exist, err := x.Dialect().IsColumnExist(x.DB(), context.Background(), "task", "message")
 	if err != nil {
 		return err

Original file line number	Diff line number	Diff line change
`@@ -30,6 +30,7 @@ func renameTaskErrorsToMessage(x *xorm.Engine) error {`
`30`	`30`	`return fmt.Errorf("error on Sync2: %v", err)`
`31`	`31`	`}`
`32`	`32`
	`33`	`+ // This migration maybe rerun so that we should check if it has been run`
`33`	`34`	`exist, err := x.Dialect().IsColumnExist(x.DB(), context.Background(), "task", "message")`
`34`	`35`	`if err != nil {`
`35`	`36`	`return err`