diff options
Diffstat (limited to 'activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb')
| -rw-r--r-- | activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb | 127 |
1 files changed, 65 insertions, 62 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb index cb10ca9929..83d1d7cd01 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb @@ -3,15 +3,14 @@ module ActiveRecord # Abstract representation of an index definition on a table. Instances of # this type are typically created and returned by methods in database # adapters. e.g. ActiveRecord::ConnectionAdapters::AbstractMysqlAdapter#indexes - class IndexDefinition < Struct.new(:table, :name, :unique, :columns, :lengths, :orders, :where, :type, :using) #:nodoc: + class IndexDefinition < Struct.new(:table, :name, :unique, :columns, :lengths, :orders, :where, :type, :using, :comment) #:nodoc: end # Abstract representation of a column definition. Instances of this type # are typically created by methods in TableDefinition, and added to the # +columns+ attribute of said TableDefinition object, in order to be used # for generating a number of table creation or table changing SQL statements. - class ColumnDefinition < Struct.new(:name, :type, :limit, :precision, :scale, :default, :null, :first, :after, :auto_increment, :primary_key, :collation, :sql_type) #:nodoc: - + class ColumnDefinition < Struct.new(:name, :type, :limit, :precision, :scale, :default, :null, :first, :after, :auto_increment, :primary_key, :collation, :sql_type, :comment) #:nodoc: def primary_key? primary_key || type.to_sym == :primary_key end @@ -51,18 +50,19 @@ module ActiveRecord options[:primary_key] != default_primary_key end - def defined_for?(options_or_to_table = {}) - if options_or_to_table.is_a?(Hash) - options_or_to_table.all? {|key, value| options[key].to_s == value.to_s } + def defined_for?(to_table_ord = nil, to_table: nil, **options) + if to_table_ord + self.to_table == to_table_ord.to_s else - to_table == options_or_to_table.to_s + (to_table.nil? || to_table.to_s == self.to_table) && + options.all? { |k, v| self.options[k].to_s == v.to_s } end end private - def default_primary_key - "id" - end + def default_primary_key + "id" + end end class ReferenceDefinition # :nodoc: @@ -102,51 +102,51 @@ module ActiveRecord protected - attr_reader :name, :polymorphic, :index, :foreign_key, :type, :options + attr_reader :name, :polymorphic, :index, :foreign_key, :type, :options private - def as_options(value, default = {}) - if value.is_a?(Hash) - value - else - default + def as_options(value, default = {}) + if value.is_a?(Hash) + value + else + default + end end - end - def polymorphic_options - as_options(polymorphic, options) - end + def polymorphic_options + as_options(polymorphic, options) + end - def index_options - as_options(index) - end + def index_options + as_options(index) + end - def foreign_key_options - as_options(foreign_key).merge(column: column_name) - end + def foreign_key_options + as_options(foreign_key).merge(column: column_name) + end - def columns - result = [[column_name, type, options]] - if polymorphic - result.unshift(["#{name}_type", :string, polymorphic_options]) + def columns + result = [[column_name, type, options]] + if polymorphic + result.unshift(["#{name}_type", :string, polymorphic_options]) + end + result end - result - end - def column_name - "#{name}_id" - end + def column_name + "#{name}_id" + end - def column_names - columns.map(&:first) - end + def column_names + columns.map(&:first) + end - def foreign_table_name - foreign_key_options.fetch(:to_table) do - Base.pluralize_table_names ? name.to_s.pluralize : name + def foreign_table_name + foreign_key_options.fetch(:to_table) do + Base.pluralize_table_names ? name.to_s.pluralize : name + end end - end end module ColumnMethods @@ -207,17 +207,18 @@ module ActiveRecord include ColumnMethods attr_accessor :indexes - attr_reader :name, :temporary, :options, :as, :foreign_keys + attr_reader :name, :temporary, :options, :as, :foreign_keys, :comment - def initialize(name, temporary, options, as = nil) + def initialize(name, temporary = false, options = nil, as = nil, comment: nil) @columns_hash = {} - @indexes = {} - @foreign_keys = {} + @indexes = [] + @foreign_keys = [] @primary_keys = nil @temporary = temporary @options = options @as = as @name = name + @comment = comment end def primary_keys(name = nil) # :nodoc: @@ -302,7 +303,7 @@ module ActiveRecord # end def column(name, type, options = {}) name = name.to_s - type = type.to_sym + type = type.to_sym if type options = options.dup if @columns_hash[name] && @columns_hash[name].primary_key? @@ -326,20 +327,21 @@ module ActiveRecord # # index(:account_id, name: 'index_projects_on_account_id') def index(column_name, options = {}) - indexes[column_name] = options + indexes << [column_name, options] end def foreign_key(table_name, options = {}) # :nodoc: - foreign_keys[table_name] = options + table_name_prefix = ActiveRecord::Base.table_name_prefix + table_name_suffix = ActiveRecord::Base.table_name_suffix + table_name = "#{table_name_prefix}#{table_name}#{table_name_suffix}" + foreign_keys.push([table_name, options]) end # Appends <tt>:datetime</tt> columns <tt>:created_at</tt> and # <tt>:updated_at</tt> to the table. See {connection.add_timestamps}[rdoc-ref:SchemaStatements#add_timestamps] # # t.timestamps null: false - def timestamps(*args) - options = args.extract_options! - + def timestamps(**options) options[:null] = false if options[:null].nil? column(:created_at, :datetime, options) @@ -373,17 +375,18 @@ module ActiveRecord column.auto_increment = options[:auto_increment] column.primary_key = type == :primary_key || options[:primary_key] column.collation = options[:collation] + column.comment = options[:comment] column end private - def create_column_definition(name, type) - ColumnDefinition.new name, type - end + def create_column_definition(name, type) + ColumnDefinition.new name, type + end - def aliased_types(name, fallback) - 'timestamp' == name ? :datetime : fallback - end + def aliased_types(name, fallback) + "timestamp" == name ? :datetime : fallback + end end class AlterTable # :nodoc: @@ -472,7 +475,7 @@ module ActiveRecord # Checks to see if a column exists. # - # t.string(:name) unless t.column_exists?(:name, :string) + # t.string(:name) unless t.column_exists?(:name, :string) # # See {connection.column_exists?}[rdoc-ref:SchemaStatements#column_exists?] def column_exists?(column_name, type = nil, options = {}) @@ -493,9 +496,9 @@ module ActiveRecord # Checks to see if an index exists. # - # unless t.index_exists?(:branch_id) - # t.index(:branch_id) - # end + # unless t.index_exists?(:branch_id) + # t.index(:branch_id) + # end # # See {connection.index_exists?}[rdoc-ref:SchemaStatements#index_exists?] def index_exists?(column_name, options = {}) |