Class: PGTrunk::Operations::ForeignKeys::RenameForeignKey

Inherits:
Base show all
Defined in:
lib/pg_trunk/operations/foreign_keys/rename_foreign_key.rb

Overview

Definition for the rename_foreign_key operation

Instance Method Summary collapse

Methods inherited from Base

#<=>

Methods included from PGTrunk::Operation::SQLHelpers

#quote

Methods included from PGTrunk::Operation::RubyHelpers

#dump, #to_a, #to_opts, #to_ruby

Methods included from PGTrunk::Operation::Inversion

#invert!, #irreversible!

Methods included from PGTrunk::Operation::Validations

#error_messages

Methods included from PGTrunk::Operation::Attributes

#attributes, #initialize

Instance Method Details

#invert ⇒ Object 



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# File 'lib/pg_trunk/operations/foreign_keys/rename_foreign_key.rb', line 64

def invert
  self.class.new(
    **to_h,
    name: (new_name if custom_name?(new_name)),
    to: (name if name != current_name),
  )
end

#to_sql(_version) ⇒ Object 



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# File 'lib/pg_trunk/operations/foreign_keys/rename_foreign_key.rb', line 56

def to_sql(_version)
  <<~SQL.squish
    ALTER TABLE #{table.to_sql}
    RENAME CONSTRAINT #{name.name.inspect}
    TO #{new_name.name.inspect};
  SQL
end