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-rw-r--r--activerecord/CHANGELOG.md30
-rw-r--r--activerecord/lib/active_record/attribute_methods.rb10
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb9
-rw-r--r--activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb8
-rw-r--r--activerecord/lib/active_record/migration.rb4
-rw-r--r--activerecord/test/cases/adapters/sqlite3/copy_table_test.rb9
-rw-r--r--activerecord/test/cases/attribute_methods_test.rb6
-rw-r--r--activerecord/test/cases/migration/change_schema_test.rb20
8 files changed, 86 insertions, 10 deletions
diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md
index 815902a129..4916777ce7 100644
--- a/activerecord/CHANGELOG.md
+++ b/activerecord/CHANGELOG.md
@@ -1,5 +1,33 @@
## Rails 4.0.0 (unreleased) ##
+* The `create_table` method raises an `ArgumentError` when the primary key column is redefined.
+ Fix #6378
+
+ *Yves Senn*
+
+* `ActiveRecord::AttributeMethods#[]` raises `ActiveModel::MissingAttributeError`
+ error if the given attribute is missing. Fixes #5433.
+
+ class Person < ActiveRecord::Base
+ belongs_to :company
+ end
+
+ # Before:
+ person = Person.select('id').first
+ person[:name] # => nil
+ person.name # => ActiveModel::MissingAttributeError: missing_attribute: name
+ person[:company_id] # => nil
+ person.company # => nil
+
+ # After:
+ person = Person.select('id').first
+ person[:name] # => ActiveModel::MissingAttributeError: missing_attribute: name
+ person.name # => ActiveModel::MissingAttributeError: missing_attribute: name
+ person[:company_id] # => ActiveModel::MissingAttributeError: missing_attribute: company_id
+ person.company # => ActiveModel::MissingAttributeError: missing_attribute: company_id
+
+ *Francesco Rodriguez*
+
* Small binary fields use the `VARBINARY` MySQL type, instead of `TINYBLOB`.
*Victor Costan*
@@ -51,7 +79,7 @@
*Scott Willson*
-* Fix bug where sum(expression) returns string '0' for no matching records
+* Fix bug where sum(expression) returns string '0' for no matching records.
Fixes #7439
*Tim Macfarlane*
diff --git a/activerecord/lib/active_record/attribute_methods.rb b/activerecord/lib/active_record/attribute_methods.rb
index 9a4fcdfda3..101c641877 100644
--- a/activerecord/lib/active_record/attribute_methods.rb
+++ b/activerecord/lib/active_record/attribute_methods.rb
@@ -266,16 +266,22 @@ module ActiveRecord
# Returns the value of the attribute identified by <tt>attr_name</tt> after it has been typecast (for example,
# "2004-12-12" in a data column is cast to a date object, like Date.new(2004, 12, 12)).
- # (Alias for the protected <tt>read_attribute</tt> method).
+ # (Alias for the protected <tt>read_attribute</tt> method). It raises an <tt>ActiveModel::MissingAttributeError</tt>
+ # error if the identified attribute is missing.
#
# class Person < ActiveRecord::Base
+ # belongs_to :organization
# end
#
# person = Person.new(name: 'Francesco', age: '22'
# person[:name] # => "Francesco"
# person[:age] # => 22
+ #
+ # person = Person.select('id').first
+ # person[:name] # => ActiveModel::MissingAttributeError: missing attribute: name
+ # person[:organization_id] # => ActiveModel::MissingAttributeError: missing attribute: organization_id
def [](attr_name)
- read_attribute(attr_name)
+ read_attribute(attr_name) { |n| missing_attribute(n, caller) }
end
# Updates the attribute identified by <tt>attr_name</tt> with the specified +value+.
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 dca355aa93..0f6b177b62 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb
@@ -234,6 +234,10 @@ module ActiveRecord
name = name.to_s
type = type.to_sym
+ if primary_key_column_name == name
+ raise ArgumentError, "you can't redefine the primary key column '#{name}'. To define a custom primary key, pass { id: false } to create_table."
+ end
+
column = self[name] || new_column_definition(@base, name, type)
limit = options.fetch(:limit) do
@@ -302,6 +306,11 @@ module ActiveRecord
definition
end
+ def primary_key_column_name
+ primary_key_column = columns.detect { |c| c.type == :primary_key }
+ primary_key_column && primary_key_column.name
+ end
+
def native
@base.native_database_types
end
diff --git a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
index 4d5cb72c67..c5a859475f 100644
--- a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
@@ -519,24 +519,22 @@ module ActiveRecord
def copy_table(from, to, options = {}) #:nodoc:
from_primary_key = primary_key(from)
- options[:primary_key] = from_primary_key if from_primary_key != 'id'
- unless options[:primary_key]
- options[:id] = columns(from).detect{|c| c.name == 'id'}.present? && from_primary_key == 'id'
- end
+ options[:id] = false
create_table(to, options) do |definition|
@definition = definition
+ @definition.primary_key(from_primary_key) if from_primary_key.present?
columns(from).each do |column|
column_name = options[:rename] ?
(options[:rename][column.name] ||
options[:rename][column.name.to_sym] ||
column.name) : column.name
+ next if column_name == from_primary_key
@definition.column(column_name, column.type,
:limit => column.limit, :default => column.default,
:precision => column.precision, :scale => column.scale,
:null => column.null)
end
- @definition.primary_key(from_primary_key) if from_primary_key
yield @definition if block_given?
end
diff --git a/activerecord/lib/active_record/migration.rb b/activerecord/lib/active_record/migration.rb
index d5ee98382d..5c5417a0e1 100644
--- a/activerecord/lib/active_record/migration.rb
+++ b/activerecord/lib/active_record/migration.rb
@@ -342,7 +342,9 @@ module ActiveRecord
end
def call(env)
- ActiveRecord::Migration.check_pending!
+ ActiveRecord::Base.logger.quietly do
+ ActiveRecord::Migration.check_pending!
+ end
@app.call(env)
end
end
diff --git a/activerecord/test/cases/adapters/sqlite3/copy_table_test.rb b/activerecord/test/cases/adapters/sqlite3/copy_table_test.rb
index 74288a98d1..d03d1dd94c 100644
--- a/activerecord/test/cases/adapters/sqlite3/copy_table_test.rb
+++ b/activerecord/test/cases/adapters/sqlite3/copy_table_test.rb
@@ -32,6 +32,11 @@ class CopyTableTest < ActiveRecord::TestCase
end
end
+ def test_copy_table_allows_to_pass_options_to_create_table
+ @connection.create_table('blocker_table')
+ test_copy_table('customers', 'blocker_table', force: true)
+ end
+
def test_copy_table_with_index
test_copy_table('comments', 'comments_with_index') do
@connection.add_index('comments_with_index', ['post_id', 'type'])
@@ -43,7 +48,9 @@ class CopyTableTest < ActiveRecord::TestCase
end
def test_copy_table_without_primary_key
- test_copy_table('developers_projects', 'programmers_projects')
+ test_copy_table('developers_projects', 'programmers_projects') do
+ assert_nil @connection.primary_key('programmers_projects')
+ end
end
def test_copy_table_with_id_col_that_is_not_primary_key
diff --git a/activerecord/test/cases/attribute_methods_test.rb b/activerecord/test/cases/attribute_methods_test.rb
index c2b58fd7d1..8b82b79219 100644
--- a/activerecord/test/cases/attribute_methods_test.rb
+++ b/activerecord/test/cases/attribute_methods_test.rb
@@ -287,6 +287,12 @@ class AttributeMethodsTest < ActiveRecord::TestCase
assert_equal "Don't change the topic", topic[:title]
end
+ def test_read_attribute_raises_missing_attribute_error_when_not_exists
+ computer = Computer.select('id').first
+ assert_raises(ActiveModel::MissingAttributeError) { computer[:developer] }
+ assert_raises(ActiveModel::MissingAttributeError) { computer[:extendedWarranty] }
+ end
+
def test_read_attribute_when_false
topic = topics(:first)
topic.approved = false
diff --git a/activerecord/test/cases/migration/change_schema_test.rb b/activerecord/test/cases/migration/change_schema_test.rb
index 17c1634444..86451289e7 100644
--- a/activerecord/test/cases/migration/change_schema_test.rb
+++ b/activerecord/test/cases/migration/change_schema_test.rb
@@ -132,6 +132,26 @@ module ActiveRecord
assert_equal %w(foo testingid), connection.columns(:testings).map(&:name).sort
end
+ def test_create_table_raises_when_redefining_primary_key_column
+ error = assert_raise(ArgumentError) do
+ connection.create_table :testings do |t|
+ t.column :id, :string
+ end
+ end
+
+ assert_equal "you can't redefine the primary key column 'id'. To define a custom primary key, pass { id: false } to create_table.", error.message
+ end
+
+ def test_create_table_raises_when_redefining_custom_primary_key_column
+ error = assert_raise(ArgumentError) do
+ connection.create_table :testings, primary_key: :testing_id do |t|
+ t.column :testing_id, :string
+ end
+ end
+
+ assert_equal "you can't redefine the primary key column 'testing_id'. To define a custom primary key, pass { id: false } to create_table.", error.message
+ end
+
def test_create_table_with_timestamps_should_create_datetime_columns
connection.create_table table_name do |t|
t.timestamps