migration

package

v1.0.0 Latest Latest Go to latest Published: Jul 27, 2021 License: MIT Imports: 3 Imported by: 0

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Repository

github.com/Devoter/mongo-migrator

Links

Open Source Insights

Documentation ¶

Index ¶

func CompareMigrations(left *Migration, right *Migration) bool
func DummyUpDown(db *mongo.Database) error
func MajorityOpts() *options.CollectionOptions
type ApplyFunc
type Migration
- func (mig *Migration) Eq(migration *Migration) bool
- func (mig *Migration) Less(migration *Migration) bool
type Migrations

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func CompareMigrations ¶

func CompareMigrations(left *Migration, right *Migration) bool

CompareMigrations compares two migrations and returns `true` if `left` migration is less.

func DummyUpDown ¶

func DummyUpDown(db *mongo.Database) error

DummyUpDown is a dummy migration function.

func MajorityOpts ¶

func MajorityOpts() *options.CollectionOptions

MajorityOpts returns `writeConcern: "majority"` collection option.

Types ¶

type ApplyFunc ¶

type ApplyFunc func(db *mongo.Database) error

ApplyFunc declares func type for migration functions

type Migration ¶

type Migration struct {
	Version int64     `json:"version" bson:"version"`
	Name    string    `json:"name" bson:"name"`
	Up      ApplyFunc `json:"-" bson:"-"`
	Down    ApplyFunc `json:"-" bson:"-"`
	Stored  bool      `json:"-" bson:"-"`
}

Migration declares a migration data structure.

func (*Migration) Eq ¶

func (mig *Migration) Eq(migration *Migration) bool

Eq returns `true` if migrations version are equal.

func (*Migration) Less ¶

func (mig *Migration) Less(migration *Migration) bool

Less returns `true` if an argument is more than current.

type Migrations ¶

type Migrations []Migration

Migrations type declares a slice-type of `Migration` with an implementation of `sort.Sort` interface.

func (Migrations) Len ¶

func (ms Migrations) Len() int

func (Migrations) Less ¶

func (ms Migrations) Less(i int, j int) bool

func (Migrations) Swap ¶

func (ms Migrations) Swap(i int, j int)

Source Files ¶

View all Source files

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