diff options
Diffstat (limited to 'activerecord/lib/active_record/connection_adapters/abstract')
-rw-r--r-- | activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb | 21 | ||||
-rw-r--r-- | activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb | 21 |
2 files changed, 25 insertions, 17 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb index 4df8df2df7..0ba4d94e3c 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb @@ -15,9 +15,9 @@ module ActiveRecord end delegate :quote_column_name, :quote_table_name, :quote_default_expression, :type_to_sql, - :options_include_default?, :supports_indexes_in_create?, to: :@conn + :options_include_default?, :supports_indexes_in_create?, :supports_foreign_keys?, :foreign_key_options, to: :@conn private :quote_column_name, :quote_table_name, :quote_default_expression, :type_to_sql, - :options_include_default?, :supports_indexes_in_create? + :options_include_default?, :supports_indexes_in_create?, :supports_foreign_keys?, :foreign_key_options private @@ -49,6 +49,10 @@ module ActiveRecord statements.concat(o.indexes.map { |column_name, options| index_in_create(o.name, column_name, options) }) end + if supports_foreign_keys? + statements.concat(o.foreign_keys.map { |to_table, options| foreign_key_in_create(o.name, to_table, options) }) + end + create_sql << "(#{statements.join(', ')}) " if statements.present? create_sql << "#{o.options}" create_sql << " AS #{@conn.to_sql(o.as)}" if o.as @@ -59,9 +63,9 @@ module ActiveRecord "PRIMARY KEY (#{o.name.join(', ')})" end - def visit_AddForeignKey(o) + def visit_ForeignKeyDefinition(o) sql = <<-SQL.strip_heredoc - ADD CONSTRAINT #{quote_column_name(o.name)} + CONSTRAINT #{quote_column_name(o.name)} FOREIGN KEY (#{quote_column_name(o.column)}) REFERENCES #{quote_table_name(o.to_table)} (#{quote_column_name(o.primary_key)}) SQL @@ -70,6 +74,10 @@ module ActiveRecord sql end + def visit_AddForeignKey(o) + "ADD #{accept(o)}" + end + def visit_DropForeignKey(name) "DROP CONSTRAINT #{quote_column_name(name)}" end @@ -102,6 +110,11 @@ module ActiveRecord sql end + def foreign_key_in_create(from_table, to_table, options) + options = foreign_key_options(from_table, to_table, options) + accept ForeignKeyDefinition.new(from_table, to_table, options) + end + def action_sql(action, dependency) case dependency when :nullify then "ON #{action} SET NULL" diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb index 035637f7ab..220ac08990 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb @@ -260,10 +260,6 @@ module ActiveRecord end end - td.foreign_keys.each_pair do |other_table_name, foreign_key_options| - add_foreign_key(table_name, other_table_name, foreign_key_options) - end - result end @@ -792,15 +788,7 @@ module ActiveRecord def add_foreign_key(from_table, to_table, options = {}) return unless supports_foreign_keys? - options[:column] ||= foreign_key_column_for(to_table) - - options = { - column: options[:column], - primary_key: options[:primary_key], - name: foreign_key_name(from_table, options), - on_delete: options[:on_delete], - on_update: options[:on_update] - } + options = foreign_key_options(from_table, to_table, options) at = create_alter_table from_table at.add_foreign_key to_table, options @@ -868,6 +856,13 @@ module ActiveRecord "#{name.singularize}_id" end + def foreign_key_options(from_table, to_table, options) # :nodoc: + options = options.dup + options[:column] ||= foreign_key_column_for(to_table) + options[:name] ||= foreign_key_name(from_table, options) + options + end + def dump_schema_information #:nodoc: sm_table = ActiveRecord::Migrator.schema_migrations_table_name |