migration

package

v0.8.0-rc.2 Latest Latest Go to latest Published: Oct 22, 2020 License: MIT Imports: 5 Imported by: 0

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type IDStore interface {
	GetID() string
	SetID(string)
}

IDStore interface for stores id in migrations

type KvdbIDStore struct {
	// contains filtered or unexported fields
}

KvdbIDStore stores id

func NewKvdbIDStore(table kvdb.KeyValueStore) *KvdbIDStore

NewKvdbIDStore constructor

func (p *KvdbIDStore) GetID() string

GetID is a getter

func (p *KvdbIDStore) SetID(id string)

SetID is a setter

type Migration struct {
	// contains filtered or unexported fields
}

Migration is a migration step.

func Begin(appName string) *Migration

Begin with empty unique migration step.

func (m *Migration) Exec(curr IDStore) error

Exec method run migrations chain in order

func (m *Migration) ID() string

ID is an uniq migration's id.

func (m *Migration) IDs() []string

IDs return list of migrations ids in chain

func (m *Migration) Next(name string, exec func() error) *Migration

Next creates next migration.