Class: Nandi::MigrationModifiers::CreateTableValidatesFks

Inherits:
Base
  • Object
show all
Defined in:
lib/nandi/migration_modifiers/create_table_validates_fks.rb

Class Method Summary collapse

Methods inherited from Base

down

Class Method Details

.up(instructions) ⇒ Object 



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# File 'lib/nandi/migration_modifiers/create_table_validates_fks.rb', line 6

def self.up(instructions)
  new_tables = instructions.
    select { |i| i.procedure == :create_table }.
    to_set { |i| i.table.to_sym }

  return if new_tables.empty?

  instructions.
    grep(Instructions::AddForeignKey).
    select { |i| new_tables.include?(i.table.to_sym) }.
    each(&:validate!)
end