Class: SequelData::Migrate::Migration

Inherits:
Object
  • Object
show all
Defined in:
lib/sequel_data/migrate/migration.rb

Constant Summary collapse

VALID_DIRECTION = 
i[up down].freeze

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.descendants ⇒ Object

Returns the list of Migration descendants.



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# File 'lib/sequel_data/migrate/migration.rb', line 9

def self.descendants
  @descendants ||= []
end

.inherited(base) ⇒ Object

Adds the new migration class to the list of Migration descendants.



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# File 'lib/sequel_data/migrate/migration.rb', line 14

def self.inherited(base)
  descendants << base
  super
end

Instance Method Details

#down ⇒ Object

Raises:



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# File 'lib/sequel_data/migrate/migration.rb', line 23

def down
  raise MigrationError, "No down method defined for migration #{self.class}"
end

#up ⇒ Object

Raises:



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# File 'lib/sequel_data/migrate/migration.rb', line 19

def up
  raise MigrationError, "No up method defined for migration #{self.class}"
end