func (r *Runner) invokeMigration(isTest bool, m Migration, c *spiffy.DbConnection, optionalTx ...*sql.Tx) (err error) {
defer func() {
if r := recover(); r != nil {
err = fmt.Errorf("%v", err)
}
}()
if m.IsTransactionIsolated() {
err = m.Apply(c, spiffy.OptionalTx(optionalTx...))
return
}
var tx *sql.Tx
tx, err = c.Begin()
if err != nil {
return err
}
defer func() {
if err == nil {
err = exception.Wrap(tx.Commit())
} else {
err = exception.WrapMany(err, exception.New(tx.Rollback()))
}
}()
err = m.Apply(c, tx)
return
}
// Test runs the data file reader and then rolls-back the txn.
func (dfr *DataFileReader) Test(c *spiffy.DbConnection, optionalTx ...*sql.Tx) (err error) {
tx, err := c.Begin()
if err != nil {
return
}
defer func() {
if r := recover(); r != nil {
err = fmt.Errorf("%v", err)
}
if err == nil {
dfr.logger.Applyf(dfr, "done!")
} else {
dfr.logger.Errorf(dfr, err)
}
tx.Rollback()
}()
err = dfr.invoke(c, tx)
return
}