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-rw-r--r--activerecord/lib/active_record/migration/command_recorder.rb41
-rw-r--r--activerecord/lib/active_record/migration/compatibility.rb99
-rw-r--r--activerecord/lib/active_record/migration/join_table.rb2
3 files changed, 107 insertions, 35 deletions
diff --git a/activerecord/lib/active_record/migration/command_recorder.rb b/activerecord/lib/active_record/migration/command_recorder.rb
index 03103bba98..dea6d4ec08 100644
--- a/activerecord/lib/active_record/migration/command_recorder.rb
+++ b/activerecord/lib/active_record/migration/command_recorder.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
module ActiveRecord
class Migration
# <tt>ActiveRecord::Migration::CommandRecorder</tt> records commands done during
@@ -83,7 +85,7 @@ module ActiveRecord
# invert the +command+.
def inverse_of(command, args, &block)
method = :"invert_#{command}"
- raise IrreversibleMigration, <<-MSG.strip_heredoc unless respond_to?(method, true)
+ raise IrreversibleMigration, <<~MSG unless respond_to?(method, true)
This migration uses #{command}, which is not automatically reversible.
To make the migration reversible you can either:
1. Define #up and #down methods in place of the #change method.
@@ -92,10 +94,6 @@ module ActiveRecord
send(method, args, &block)
end
- def respond_to_missing?(*args) # :nodoc:
- super || delegate.respond_to?(*args)
- end
-
ReversibleAndIrreversibleMethods.each do |method|
class_eval <<-EOV, __FILE__, __LINE__ + 1
def #{method}(*args, &block) # def create_table(*args, &block)
@@ -112,7 +110,7 @@ module ActiveRecord
private
- module StraightReversions
+ module StraightReversions # :nodoc:
private
{ transaction: :transaction,
execute_block: :execute_block,
@@ -163,8 +161,8 @@ module ActiveRecord
table, columns, options = *args
options ||= {}
- index_name = options[:name]
- options_hash = index_name ? { name: index_name } : { column: columns }
+ options_hash = options.slice(:name, :algorithm)
+ options_hash[:column] = columns if !options_hash[:name]
[:remove_index, [table, options_hash]]
end
@@ -216,19 +214,36 @@ module ActiveRecord
end
def invert_remove_foreign_key(args)
- from_table, to_table, remove_options = args
- raise ActiveRecord::IrreversibleMigration, "remove_foreign_key is only reversible if given a second table" if to_table.nil? || to_table.is_a?(Hash)
+ from_table, options_or_to_table, options_or_nil = args
+
+ to_table = if options_or_to_table.is_a?(Hash)
+ options_or_to_table[:to_table]
+ else
+ options_or_to_table
+ end
+
+ remove_options = if options_or_to_table.is_a?(Hash)
+ options_or_to_table.except(:to_table)
+ else
+ options_or_nil
+ end
+
+ raise ActiveRecord::IrreversibleMigration, "remove_foreign_key is only reversible if given a second table" if to_table.nil?
reversed_args = [from_table, to_table]
- reversed_args << remove_options if remove_options
+ reversed_args << remove_options if remove_options.present?
[:add_foreign_key, reversed_args]
end
+ def respond_to_missing?(method, _)
+ super || delegate.respond_to?(method)
+ end
+
# Forwards any missing method call to the \target.
def method_missing(method, *args, &block)
- if @delegate.respond_to?(method)
- @delegate.send(method, *args, &block)
+ if delegate.respond_to?(method)
+ delegate.public_send(method, *args, &block)
else
super
end
diff --git a/activerecord/lib/active_record/migration/compatibility.rb b/activerecord/lib/active_record/migration/compatibility.rb
index 85032ce470..0edaaa0cf9 100644
--- a/activerecord/lib/active_record/migration/compatibility.rb
+++ b/activerecord/lib/active_record/migration/compatibility.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
module ActiveRecord
class Migration
module Compatibility # :nodoc: all
@@ -11,10 +13,41 @@ module ActiveRecord
const_get(name)
end
- V5_1 = Current
+ V6_0 = Current
+
+ class V5_2 < V6_0
+ end
+
+ class V5_1 < V5_2
+ def change_column(table_name, column_name, type, options = {})
+ if adapter_name == "PostgreSQL"
+ clear_cache!
+ sql = connection.send(:change_column_sql, table_name, column_name, type, options)
+ execute "ALTER TABLE #{quote_table_name(table_name)} #{sql}"
+ change_column_default(table_name, column_name, options[:default]) if options.key?(:default)
+ change_column_null(table_name, column_name, options[:null], options[:default]) if options.key?(:null)
+ change_column_comment(table_name, column_name, options[:comment]) if options.key?(:comment)
+ else
+ super
+ end
+ end
+
+ def create_table(table_name, options = {})
+ if adapter_name == "Mysql2"
+ super(table_name, options: "ENGINE=InnoDB", **options)
+ else
+ super
+ end
+ end
+ end
class V5_0 < V5_1
module TableDefinition
+ def primary_key(name, type = :primary_key, **options)
+ type = :integer if type == :primary_key
+ super
+ end
+
def references(*args, **options)
super(*args, type: :integer, **options)
end
@@ -34,7 +67,7 @@ module ActiveRecord
end
end
- # Since 5.1 Postgres adapter uses bigserial type for primary
+ # Since 5.1 PostgreSQL adapter uses bigserial type for primary
# keys by default and MySQL uses bigint. This compat layer makes old migrations utilize
# serial/int type instead -- the way it used to work before 5.1.
unless options.key?(:id)
@@ -42,11 +75,8 @@ module ActiveRecord
end
if block_given?
- super(table_name, options) do |t|
- class << t
- prepend TableDefinition
- end
- yield t
+ super do |t|
+ yield compatible_table_definition(t)
end
else
super
@@ -55,21 +85,46 @@ module ActiveRecord
def change_table(table_name, options = {})
if block_given?
- super(table_name, options) do |t|
- class << t
- prepend TableDefinition
- end
- yield t
+ super do |t|
+ yield compatible_table_definition(t)
end
else
super
end
end
+ def create_join_table(table_1, table_2, column_options: {}, **options)
+ column_options.reverse_merge!(type: :integer)
+
+ if block_given?
+ super do |t|
+ yield compatible_table_definition(t)
+ end
+ else
+ super
+ end
+ end
+
+ def add_column(table_name, column_name, type, options = {})
+ if type == :primary_key
+ type = :integer
+ options[:primary_key] = true
+ end
+ super
+ end
+
def add_reference(table_name, ref_name, **options)
super(table_name, ref_name, type: :integer, **options)
end
alias :add_belongs_to :add_reference
+
+ private
+ def compatible_table_definition(t)
+ class << t
+ prepend TableDefinition
+ end
+ t
+ end
end
class V4_2 < V5_0
@@ -88,11 +143,8 @@ module ActiveRecord
def create_table(table_name, options = {})
if block_given?
- super(table_name, options) do |t|
- class << t
- prepend TableDefinition
- end
- yield t
+ super do |t|
+ yield compatible_table_definition(t)
end
else
super
@@ -101,11 +153,8 @@ module ActiveRecord
def change_table(table_name, options = {})
if block_given?
- super(table_name, options) do |t|
- class << t
- prepend TableDefinition
- end
- yield t
+ super do |t|
+ yield compatible_table_definition(t)
end
else
super
@@ -141,6 +190,12 @@ module ActiveRecord
end
private
+ def compatible_table_definition(t)
+ class << t
+ prepend TableDefinition
+ end
+ super
+ end
def index_name_for_remove(table_name, options = {})
index_name = index_name(table_name, options)
diff --git a/activerecord/lib/active_record/migration/join_table.rb b/activerecord/lib/active_record/migration/join_table.rb
index 89789f00ea..9abb289bb0 100644
--- a/activerecord/lib/active_record/migration/join_table.rb
+++ b/activerecord/lib/active_record/migration/join_table.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
module ActiveRecord
class Migration
module JoinTable #:nodoc: