deprecatedmigration

package
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Published: Jan 30, 2026 License: Apache-2.0 Imports: 29 Imported by: 0

Documentation

Overview

Package deprecatedmigration contains the legacy migration system.

Deprecated: This package is deprecated and will be removed in a future version. Use the migration package instead for new migrations.

Index

Constants

This section is empty.

Variables

View Source
var ErrCallWithNewTransaction = errors.New("call with new transaction")

Functions

func MigrateIfNeeded

func MigrateIfNeeded(
	ctx context.Context,
	targetDB db.KeyValueStore,
	network *utils.Network,
	log utils.SimpleLogger,
) error

func SchemaMetadata

func SchemaMetadata(log utils.SimpleLogger, targetDB db.KeyValueStore) (schemaMetadata, error)

SchemaMetadata retrieves metadata about a database schema from the given database.

Types

type BucketMigrator

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

func NewBucketMigrator

func NewBucketMigrator(target db.Bucket, do BucketMigratorDoFunc) *BucketMigrator

func NewBucketMover

func NewBucketMover(source, destination db.Bucket) *BucketMigrator

func (*BucketMigrator) Before

func (m *BucketMigrator) Before(_ []byte) error

func (*BucketMigrator) Migrate

func (m *BucketMigrator) Migrate(
	ctx context.Context,
	database db.KeyValueStore,
	network *utils.Network,
	log utils.SimpleLogger,
) ([]byte, error)

func (*BucketMigrator) WithBatchSize

func (m *BucketMigrator) WithBatchSize(batchSize uint) *BucketMigrator

func (*BucketMigrator) WithBefore

func (m *BucketMigrator) WithBefore(before func()) *BucketMigrator

func (*BucketMigrator) WithKeyFilter

func (m *BucketMigrator) WithKeyFilter(keyFilter BucketMigratorKeyFilter) *BucketMigrator

type BucketMigratorDoFunc

type BucketMigratorDoFunc func(t db.KeyValueWriter, b1, b2 []byte, n *utils.Network) error

type BucketMigratorKeyFilter

type BucketMigratorKeyFilter func([]byte) (bool, error)

type HTTPConfig

type HTTPConfig struct {
	Enabled bool
	Host    string
	Port    uint16
}

type Migration

type Migration interface {
	Before(intermediateState []byte) error
	// Migration should return intermediate state whenever it requests new txn or detects cancelled ctx.
	Migrate(context.Context, db.KeyValueStore, *utils.Network, utils.SimpleLogger) ([]byte, error)
}

type MigrationFunc

type MigrationFunc func(db.IndexedBatch, *utils.Network) error

func (MigrationFunc) Before

func (f MigrationFunc) Before(_ []byte) error

Before is a no-op.

func (MigrationFunc) Migrate

func (f MigrationFunc) Migrate(_ context.Context, database db.KeyValueStore, network *utils.Network, _ utils.SimpleLogger) ([]byte, error)

Migrate returns f(txn).

Directories

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