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-rw-r--r--actionpack/lib/action_dispatch/http/request.rb2
-rw-r--r--actionpack/lib/action_dispatch/http/response.rb2
-rw-r--r--actionpack/lib/action_dispatch/request/session.rb6
-rw-r--r--activerecord/lib/active_record/associations.rb1
-rw-r--r--activerecord/lib/active_record/enum.rb2
-rw-r--r--activerecord/lib/active_record/migration.rb48
-rw-r--r--activerecord/lib/active_record/relation/merger.rb3
-rw-r--r--activerecord/test/cases/migration_test.rb29
-rw-r--r--activerecord/test/cases/relation/merging_test.rb7
-rw-r--r--guides/source/active_record_querying.md2
10 files changed, 76 insertions, 26 deletions
diff --git a/actionpack/lib/action_dispatch/http/request.rb b/actionpack/lib/action_dispatch/http/request.rb
index 29cf821090..5427425ef7 100644
--- a/actionpack/lib/action_dispatch/http/request.rb
+++ b/actionpack/lib/action_dispatch/http/request.rb
@@ -259,7 +259,7 @@ module ActionDispatch
end
# Returns the IP address of client as a +String+,
- # usually set by the RemoteIp middleware.
+ # usually set by the RemoteIp middleware.
def remote_ip
@remote_ip ||= (get_header("action_dispatch.remote_ip") || ip).to_s
end
diff --git a/actionpack/lib/action_dispatch/http/response.rb b/actionpack/lib/action_dispatch/http/response.rb
index b426d272f2..14f86c7c07 100644
--- a/actionpack/lib/action_dispatch/http/response.rb
+++ b/actionpack/lib/action_dispatch/http/response.rb
@@ -232,7 +232,7 @@ module ActionDispatch # :nodoc:
end
# Sets the HTTP character set. In case of nil parameter
- # it sets the charset to utf-8.
+ # it sets the charset to utf-8.
#
# response.charset = 'utf-16' # => 'utf-16'
# response.charset = nil # => 'utf-8'
diff --git a/actionpack/lib/action_dispatch/request/session.rb b/actionpack/lib/action_dispatch/request/session.rb
index 9e7fcbd849..42890225fa 100644
--- a/actionpack/lib/action_dispatch/request/session.rb
+++ b/actionpack/lib/action_dispatch/request/session.rb
@@ -109,7 +109,7 @@ module ActionDispatch
@delegate.values
end
- # Writes given value to given key of the session.
+ # Writes given value to given key of the session.
def []=(key, value)
load_for_write!
@delegate[key.to_s] = value
@@ -148,8 +148,8 @@ module ActionDispatch
@delegate.delete key.to_s
end
- # Returns value of given key from the session, or raises +KeyError+
- # if can't find given key in case of not setted dafault value.
+ # Returns value of the given key from the session, or raises +KeyError+
+ # if can't find the given key and no default value is set.
# Returns default value if specified.
#
# session.fetch(:foo)
diff --git a/activerecord/lib/active_record/associations.rb b/activerecord/lib/active_record/associations.rb
index 462b3066ab..f6d8e8a342 100644
--- a/activerecord/lib/active_record/associations.rb
+++ b/activerecord/lib/active_record/associations.rb
@@ -1164,6 +1164,7 @@ module ActiveRecord
# Adds one or more objects to the collection by setting their foreign keys to the collection's primary key.
# Note that this operation instantly fires update SQL without waiting for the save or update call on the
# parent object, unless the parent object is a new record.
+ # This will also run validations and callbacks of associated object(s).
# [collection.delete(object, ...)]
# Removes one or more objects from the collection by setting their foreign keys to +NULL+.
# Objects will be in addition destroyed if they're associated with <tt>dependent: :destroy</tt>,
diff --git a/activerecord/lib/active_record/enum.rb b/activerecord/lib/active_record/enum.rb
index 04519f4dc3..8655f68308 100644
--- a/activerecord/lib/active_record/enum.rb
+++ b/activerecord/lib/active_record/enum.rb
@@ -187,7 +187,7 @@ module ActiveRecord
# scope :active, -> { where status: 0 }
klass.send(:detect_enum_conflict!, name, value_method_name, true)
- klass.scope value_method_name, -> { klass.where name => value }
+ klass.scope value_method_name, -> { where(name => value) }
end
end
defined_enums[name.to_s] = enum_values
diff --git a/activerecord/lib/active_record/migration.rb b/activerecord/lib/active_record/migration.rb
index 4a6e9c12fe..f5b29c7f2e 100644
--- a/activerecord/lib/active_record/migration.rb
+++ b/activerecord/lib/active_record/migration.rb
@@ -1170,45 +1170,58 @@ module ActiveRecord
private
+ # Used for running a specific migration.
def run_without_lock
migration = migrations.detect { |m| m.version == @target_version }
raise UnknownMigrationVersionError.new(@target_version) if migration.nil?
- unless (up? && migrated.include?(migration.version.to_i)) || (down? && !migrated.include?(migration.version.to_i))
- begin
- execute_migration_in_transaction(migration, @direction)
- rescue => e
- canceled_msg = use_transaction?(migration) ? ", this migration was canceled" : ""
- raise StandardError, "An error has occurred#{canceled_msg}:\n\n#{e}", e.backtrace
- end
- end
+ execute_migration_in_transaction(migration, @direction)
+
+ record_environment
end
+ # Used for running multiple migrations up to or down to a certain value.
def migrate_without_lock
- if !target && @target_version && @target_version > 0
+ if invalid_target?
raise UnknownMigrationVersionError.new(@target_version)
end
runnable.each do |migration|
- Base.logger.info "Migrating to #{migration.name} (#{migration.version})" if Base.logger
-
- begin
- execute_migration_in_transaction(migration, @direction)
- rescue => e
- canceled_msg = use_transaction?(migration) ? "this and " : ""
- raise StandardError, "An error has occurred, #{canceled_msg}all later migrations canceled:\n\n#{e}", e.backtrace
- end
+ execute_migration_in_transaction(migration, @direction)
end
+
+ record_environment
+ end
+
+ # Stores the current environment in the database.
+ def record_environment
+ return if down?
+ ActiveRecord::InternalMetadata[:environment] = ActiveRecord::Migrator.current_environment
end
def ran?(migration)
migrated.include?(migration.version.to_i)
end
+ # Return true if a valid version is not provided.
+ def invalid_target?
+ !target && @target_version && @target_version > 0
+ end
+
def execute_migration_in_transaction(migration, direction)
+ return if down? && !migrated.include?(migration.version.to_i)
+ return if up? && migrated.include?(migration.version.to_i)
+
+ Base.logger.info "Migrating to #{migration.name} (#{migration.version})" if Base.logger
+
ddl_transaction(migration) do
migration.migrate(direction)
record_version_state_after_migrating(migration.version)
end
+ rescue => e
+ msg = "An error has occurred, "
+ msg << "this and " if use_transaction?(migration)
+ msg << "all later migrations canceled:\n\n#{e}"
+ raise StandardError, msg, e.backtrace
end
def target
@@ -1238,7 +1251,6 @@ module ActiveRecord
else
migrated << version
ActiveRecord::SchemaMigration.create!(version: version.to_s)
- ActiveRecord::InternalMetadata[:environment] = ActiveRecord::Migrator.current_environment
end
end
diff --git a/activerecord/lib/active_record/relation/merger.rb b/activerecord/lib/active_record/relation/merger.rb
index cb971eb255..396638d74d 100644
--- a/activerecord/lib/active_record/relation/merger.rb
+++ b/activerecord/lib/active_record/relation/merger.rb
@@ -141,6 +141,9 @@ module ActiveRecord
end
def merge_single_values
+ if relation.from_clause.empty?
+ relation.from_clause = other.from_clause
+ end
relation.lock_value ||= other.lock_value
unless other.create_with_value.blank?
diff --git a/activerecord/test/cases/migration_test.rb b/activerecord/test/cases/migration_test.rb
index cfa223f93e..fe74ca127f 100644
--- a/activerecord/test/cases/migration_test.rb
+++ b/activerecord/test/cases/migration_test.rb
@@ -301,7 +301,7 @@ class MigrationTest < ActiveRecord::TestCase
e = assert_raise(StandardError) { migrator.run }
- assert_equal "An error has occurred, this migration was canceled:\n\nSomething broke", e.message
+ assert_equal "An error has occurred, this and all later migrations canceled:\n\nSomething broke", e.message
assert_no_column Person, :last_name,
"On error, the Migrator should revert schema changes but it did not."
@@ -398,6 +398,33 @@ class MigrationTest < ActiveRecord::TestCase
ENV["RACK_ENV"] = original_rack_env
end
+
+ def test_migration_sets_internal_metadata_even_when_fully_migrated
+ current_env = ActiveRecord::ConnectionHandling::DEFAULT_ENV.call
+ migrations_path = MIGRATIONS_ROOT + "/valid"
+ old_path = ActiveRecord::Migrator.migrations_paths
+ ActiveRecord::Migrator.migrations_paths = migrations_path
+
+ ActiveRecord::Migrator.up(migrations_path)
+ assert_equal current_env, ActiveRecord::InternalMetadata[:environment]
+
+ original_rails_env = ENV["RAILS_ENV"]
+ original_rack_env = ENV["RACK_ENV"]
+ ENV["RAILS_ENV"] = ENV["RACK_ENV"] = "foofoo"
+ new_env = ActiveRecord::ConnectionHandling::DEFAULT_ENV.call
+
+ refute_equal current_env, new_env
+
+ sleep 1 # mysql by default does not store fractional seconds in the database
+
+ ActiveRecord::Migrator.up(migrations_path)
+ assert_equal new_env, ActiveRecord::InternalMetadata[:environment]
+ ensure
+ ActiveRecord::Migrator.migrations_paths = old_path
+ ENV["RAILS_ENV"] = original_rails_env
+ ENV["RACK_ENV"] = original_rack_env
+ end
+
def test_proper_table_name_on_migration
reminder_class = new_isolated_reminder_class
migration = ActiveRecord::Migration.new
diff --git a/activerecord/test/cases/relation/merging_test.rb b/activerecord/test/cases/relation/merging_test.rb
index 0a2e874e4f..60a806c05a 100644
--- a/activerecord/test/cases/relation/merging_test.rb
+++ b/activerecord/test/cases/relation/merging_test.rb
@@ -104,6 +104,13 @@ class RelationMergingTest < ActiveRecord::TestCase
post = PostThatLoadsCommentsInAnAfterSaveHook.create!(title: "First Post", body: "Blah blah blah.")
assert_equal "First comment!", post.comments.where(body: "First comment!").first_or_create.body
end
+
+ def test_merging_with_from_clause
+ relation = Post.all
+ assert relation.from_clause.empty?
+ relation = relation.merge(Post.from("posts"))
+ refute relation.from_clause.empty?
+ end
end
class MergingDifferentRelationsTest < ActiveRecord::TestCase
diff --git a/guides/source/active_record_querying.md b/guides/source/active_record_querying.md
index 4606ac4683..fd5399baec 100644
--- a/guides/source/active_record_querying.md
+++ b/guides/source/active_record_querying.md
@@ -59,7 +59,7 @@ To retrieve objects from the database, Active Record provides several finder met
The methods are:
-* `bind`
+* `find`
* `create_with`
* `distinct`
* `eager_load`