Exemplo n.º 1
0
// Reset runs the down and up migration function
func Reset(pipe chan interface{}, url, migrationsPath string) {
	pipe1 := pipep.New()
	go Down(pipe1, url, migrationsPath)
	if ok := pipep.WaitAndRedirect(pipe1, pipe, handleInterrupts()); !ok {
		go pipep.Close(pipe, nil)
		return
	} else {
		go Up(pipe, url, migrationsPath)
	}
}
Exemplo n.º 2
0
// Up applies all available migrations
func Up(pipe chan interface{}, url, migrationsPath string) {
	d, files, migratedVersions, err := initDriverAndReadMigrationFilesAndGetMigratedVersions(url, migrationsPath)
	if err != nil {
		go pipep.Close(pipe, err)
		return
	}

	applyMigrationFiles, err := files.GetUnmigrated(migratedVersions)

	if err != nil {
		if err2 := d.Close(); err2 != nil {
			pipe <- err2
		}
		go pipep.Close(pipe, err)
		return
	}

	if len(applyMigrationFiles) > 0 {
		for _, f := range applyMigrationFiles {
			pipe1 := pipep.New()
			go d.Migrate(f, pipe1)
			if ok := pipep.WaitAndRedirect(pipe1, pipe, handleInterrupts()); !ok {
				break
			}
		}
		if err := d.Close(); err != nil {
			pipe <- err
		}
		go pipep.Close(pipe, nil)
		return
	} else {
		if err := d.Close(); err != nil {
			pipe <- err
		}
		go pipep.Close(pipe, nil)
		return
	}
}
Exemplo n.º 3
0
// Migrate applies relative +n/-n migrations
func Migrate(pipe chan interface{}, url, migrationsPath string, relativeN int) {
	d, files, version, err := initDriverAndReadMigrationFilesAndGetVersion(url, migrationsPath)
	if err != nil {
		go pipep.Close(pipe, err)
		return
	}

	applyMigrationFiles, err := files.From(version, relativeN)
	if err != nil {
		if err2 := d.Close(); err2 != nil {
			pipe <- err2
		}
		go pipep.Close(pipe, err)
		return
	}

	if len(applyMigrationFiles) > 0 && relativeN != 0 {
		for _, f := range applyMigrationFiles {
			pipe1 := pipep.New()
			go d.Migrate(f, pipe1)
			if ok := pipep.WaitAndRedirect(pipe1, pipe, handleInterrupts()); !ok {
				break
			}
		}
		if err2 := d.Close(); err2 != nil {
			pipe <- err2
		}
		go pipep.Close(pipe, nil)
		return
	}
	if err2 := d.Close(); err2 != nil {
		pipe <- err2
	}
	go pipep.Close(pipe, nil)
	return
}