Module: Clickhouse::Migrator

Defined in:
lib/clickhouse/migrator.rb

Class Method Summary collapse

Class Method Details

.migrate(to: nil) ⇒ Object 



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# File 'lib/clickhouse/migrator.rb', line 8

def migrate(to: nil)
  if to.present?
    migrator(target: to.to_i).run
  else
    migrator.run
  end
end

.migrator(**opts) ⇒ Object 



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# File 'lib/clickhouse/migrator.rb', line 21

def migrator(**opts)
  Sequel::TimestampMigrator.new(
    DB,
    Rails.root.join("db/migrate/clickhouse"),
    table: :clickhouse_migrations,
    use_transactions: false,
    **opts,
  )
end

.rollback(to: nil) ⇒ Object 



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# File 'lib/clickhouse/migrator.rb', line 16

def rollback(to: nil)
  target = to || migrator.applied_migrations.reverse[1]
  migrator(target: target.to_i).run
end