package mysql import ( "context" "github.com/c9s/rockhopper" ) func init() { AddMigration(upTradeIndex, downTradeIndex) } func upTradeIndex(ctx context.Context, tx rockhopper.SQLExecutor) (err error) { // This code is executed when the migration is applied. _, err = tx.ExecContext(ctx, "SELECT 1;") if err != nil { return err } return err } func downTradeIndex(ctx context.Context, tx rockhopper.SQLExecutor) (err error) { // This code is executed when the migration is rolled back. _, err = tx.ExecContext(ctx, "SELECT 1;") if err != nil { return err } return err }