Module: SchemaPlus::ForeignKeys::Middleware::Migration::Column
- Defined in:
- lib/schema_plus/foreign_keys/middleware/migration.rb
Instance Method Summary collapse
-
#around(env) {|env| ... } ⇒ Object
Add the foreign keys.
-
#before(env) ⇒ Object
Column option shortcuts.
Instance Method Details
#around(env) {|env| ... } ⇒ Object
Add the foreign keys
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# File 'lib/schema_plus/foreign_keys/middleware/migration.rb', line 78 def around(env) = env. env. = .dup is_reference = (env.type == :reference) is_polymorphic = is_reference && env.[:polymorphic] # usurp foreign key creation from AR, since it doesn't support # all our features env.[:foreign_key] = false yield env return if is_polymorphic or env.implements_reference env. = add_foreign_keys(env) end |
#before(env) ⇒ Object
Column option shortcuts
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# File 'lib/schema_plus/foreign_keys/middleware/migration.rb', line 46 def before(env) opts = env.[:foreign_key] return if opts == false opts = {} if opts == true [:references, :on_update, :on_delete, :deferrable].each do |key| (opts||={}).reverse_merge!(key => env.[key]) if env..has_key? key end return if opts.nil? if opts.has_key?(:references) && !opts[:references] env.[:foreign_key] = false return end case opts[:references] when nil when Array table, primary_key = opts[:references] opts[:references] = table opts[:primary_key] ||= primary_key end env.[:foreign_key] = opts end |