Module: PGTrunk::Operation::Inversion

Included in:
PGTrunk::Operation
Defined in:
lib/pg_trunk/core/operation/inversion.rb

Overview

Enable operations to be invertible

Instance Method Summary collapse

Instance Method Details

#invert! ⇒ Object 



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# File 'lib/pg_trunk/core/operation/inversion.rb', line 56

def invert!
  invert&.tap do |i|
    i.valid? || raise(IrreversibleMigration.new(self, i, *i.error_messages))
  end
end

#irreversible!(option) ⇒ Object

Raises:



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# File 'lib/pg_trunk/core/operation/inversion.rb', line 63

def irreversible!(option)
  raise IrreversibleMigration.new(self, nil, "    The operation with the `\#{option}` option cannot be reversed\n      due to uncertainty of the previous state of the database.\n  MSG\nend\n".squish)