func (driver *Driver) Migrate(f *file.File) error {
tx, err := driver.db.Begin()
if err != nil {
return err
}
if f.Direction == direction.Up {
if _, err := tx.Exec(fmt.Sprintf("INSERT INTO %s (version) VALUES ($1)", TABLE_NAME), f.Version); err != nil {
if err := tx.Rollback(); err != nil {
return err
}
return err
}
} else if f.Direction == direction.Down {
if _, err := tx.Exec(fmt.Sprintf("DELETE FROM %s WHERE version=$1", TABLE_NAME), f.Version); err != nil {
if err := tx.Rollback(); err != nil {
return err
}
return err
}
}
byteContent, err := f.Content()
if err != nil {
return err
}
content := string(byteContent)
err = nil
if strings.Contains(content, "tag:no_transaction") {
_, err = driver.db.Exec(content)
} else {
_, err = tx.Exec(content)
}
if err != nil {
pqErr := err.(*pq.Error)
offset, err := strconv.Atoi(pqErr.Position)
if err == nil && offset >= 0 {
lineNo, columnNo := file.LineColumnFromOffset(byteContent, offset-1)
errorPart := file.LinesBeforeAndAfter(byteContent, lineNo, 5, 5, true)
return errors.New(fmt.Sprintf("%s %v: %s in line %v, column %v:\n\n%s", pqErr.Severity, pqErr.Code, pqErr.Message, lineNo, columnNo, string(errorPart)))
} else {
return errors.New(fmt.Sprintf("%s %v: %s", pqErr.Severity, pqErr.Code, pqErr.Message))
}
if err := tx.Rollback(); err != nil {
return err
}
}
if err := tx.Commit(); err != nil {
return err
}
return nil
}
func (driver *Driver) Migrate(f *file.File) error {
tx, err := driver.db.Begin()
if err != nil {
return err
}
if f.Direction == direction.Up {
if _, err := tx.Exec(fmt.Sprintf("INSERT INTO %s (version) VALUES (?)", TABLE_NAME), f.Version); err != nil {
if err := tx.Rollback(); err != nil {
return err
}
return err
}
} else if f.Direction == direction.Down {
if _, err := tx.Exec(fmt.Sprintf("DELETE FROM %s WHERE version=?", TABLE_NAME), f.Version); err != nil {
if err := tx.Rollback(); err != nil {
return err
}
return err
}
}
content, err := f.Content()
if err != nil {
return err
}
if _, err := tx.Exec(string(content)); err != nil {
if sqliteErr, isErr := err.(sqlite3.Error); isErr {
// The sqlite3 library only provides error codes, not position information. Output what we do know
return errors.New(fmt.Sprintf("SQLite Error (%s); Extended (%s)\nError: %s", sqliteErr.Code.Error(), sqliteErr.ExtendedCode.Error(), sqliteErr.Error()))
} else {
return errors.New(fmt.Sprintf("An error occurred: %s", err.Error()))
}
if err := tx.Rollback(); err != nil {
return err
}
}
if err := tx.Commit(); err != nil {
return err
}
return nil
}
func (driver *Driver) Migrate(f *file.File) error {
content, err := f.Content()
if err != nil {
return err
}
for _, query := range strings.Split(string(content), ";") {
query = strings.TrimSpace(query)
if len(query) == 0 {
continue
}
if err := driver.session.Query(query).Exec(); err != nil {
return err
}
}
if err := driver.version(f.Direction); err != nil {
return err
}
return nil
}