migrations

package

v3.0.9+incompatible Latest Latest Go to latest Published: Jul 8, 2022 License: AGPL-3.0 Imports: 2 Imported by: 0

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Repository

github.com/ckloh720/pydio-cells

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Documentation ¶

Index ¶

func Apply(ctx context.Context, current *version.Version, target *version.Version, ...) (*version.Version, error)
func FirstRun() *version.Version
type Migration

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func Apply ¶

func Apply(ctx context.Context, current *version.Version, target *version.Version, migrations []*Migration) (*version.Version, error)

Apply browses migrations upward on downward and apply them sequentially. It returns a version to be saved as the current valid version of the service, or nil if no changes were necessary. In specific case where current version is 0.0.0 (first run), it only applies first run migration (if any) and returns target version.

func FirstRun ¶

func FirstRun() *version.Version

FirstRun returns version "zero".

Types ¶

type Migration ¶

type Migration struct {
	TargetVersion *version.Version
	Up            func(ctx context.Context) error
	Down          func(ctx context.Context) error
}

Migration defines a target version and functions to upgrade and/or downgrade.

Source Files ¶

View all Source files

migrations.go

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