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-rw-r--r--activerecord/lib/active_record/internal_metadata.rb13
-rw-r--r--activerecord/lib/active_record/model_schema.rb4
-rw-r--r--activerecord/test/cases/migration_test.rb25
-rw-r--r--activerecord/test/cases/schema_dumper_test.rb8
4 files changed, 39 insertions, 11 deletions
diff --git a/activerecord/lib/active_record/internal_metadata.rb b/activerecord/lib/active_record/internal_metadata.rb
index cb4b1fc47c..81db96bffd 100644
--- a/activerecord/lib/active_record/internal_metadata.rb
+++ b/activerecord/lib/active_record/internal_metadata.rb
@@ -14,6 +14,10 @@ module ActiveRecord
"#{table_name_prefix}#{ActiveRecord::Base.internal_metadata_table_name}#{table_name_suffix}"
end
+ def original_table_name
+ "#{table_name_prefix}active_record_internal_metadatas#{table_name_suffix}"
+ end
+
def []=(key, value)
first_or_initialize(key: key).update_attributes!(value: value)
end
@@ -26,8 +30,17 @@ module ActiveRecord
ActiveSupport::Deprecation.silence { connection.table_exists?(table_name) }
end
+ def original_table_exists?
+ # This method will be removed in Rails 5.1
+ # Since it is only necessary when `active_record_internal_metadatas` could exist
+ ActiveSupport::Deprecation.silence { connection.table_exists?(original_table_name) }
+ end
+
# Creates an internal metadata table with columns +key+ and +value+
def create_table
+ if original_table_exists?
+ connection.rename_table(original_table_name, table_name)
+ end
unless table_exists?
key_options = connection.internal_string_options_for_primary_key
diff --git a/activerecord/lib/active_record/model_schema.rb b/activerecord/lib/active_record/model_schema.rb
index 722d7b5fce..ee52c3ae02 100644
--- a/activerecord/lib/active_record/model_schema.rb
+++ b/activerecord/lib/active_record/model_schema.rb
@@ -44,9 +44,9 @@ module ActiveRecord
##
# :singleton-method:
- # Accessor for the name of the internal metadata table. By default, the value is "active_record_internal_metadatas"
+ # Accessor for the name of the internal metadata table. By default, the value is "ar_internal_metadata"
class_attribute :internal_metadata_table_name, instance_accessor: false
- self.internal_metadata_table_name = "active_record_internal_metadatas"
+ self.internal_metadata_table_name = "ar_internal_metadata"
##
# :singleton-method:
diff --git a/activerecord/test/cases/migration_test.rb b/activerecord/test/cases/migration_test.rb
index f51e366b1d..9b4394377f 100644
--- a/activerecord/test/cases/migration_test.rb
+++ b/activerecord/test/cases/migration_test.rb
@@ -357,14 +357,14 @@ class MigrationTest < ActiveRecord::TestCase
def test_internal_metadata_table_name
original_internal_metadata_table_name = ActiveRecord::Base.internal_metadata_table_name
- assert_equal "active_record_internal_metadatas", ActiveRecord::InternalMetadata.table_name
- ActiveRecord::Base.table_name_prefix = "prefix_"
- ActiveRecord::Base.table_name_suffix = "_suffix"
+ assert_equal "ar_internal_metadata", ActiveRecord::InternalMetadata.table_name
+ ActiveRecord::Base.table_name_prefix = "p_"
+ ActiveRecord::Base.table_name_suffix = "_s"
Reminder.reset_table_name
- assert_equal "prefix_active_record_internal_metadatas_suffix", ActiveRecord::InternalMetadata.table_name
+ assert_equal "p_ar_internal_metadata_s", ActiveRecord::InternalMetadata.table_name
ActiveRecord::Base.internal_metadata_table_name = "changed"
Reminder.reset_table_name
- assert_equal "prefix_changed_suffix", ActiveRecord::InternalMetadata.table_name
+ assert_equal "p_changed_s", ActiveRecord::InternalMetadata.table_name
ActiveRecord::Base.table_name_prefix = ""
ActiveRecord::Base.table_name_suffix = ""
Reminder.reset_table_name
@@ -426,6 +426,21 @@ class MigrationTest < ActiveRecord::TestCase
ENV["RACK_ENV"] = original_rack_env
end
+ def test_rename_internal_metadata_table
+ original_internal_metadata_table_name = ActiveRecord::Base.internal_metadata_table_name
+
+ ActiveRecord::Base.internal_metadata_table_name = "active_record_internal_metadatas"
+ Reminder.reset_table_name
+
+ ActiveRecord::Base.internal_metadata_table_name = original_internal_metadata_table_name
+ Reminder.reset_table_name
+
+ assert_equal "ar_internal_metadata", ActiveRecord::InternalMetadata.table_name
+ ensure
+ ActiveRecord::Base.internal_metadata_table_name = original_internal_metadata_table_name
+ Reminder.reset_table_name
+ end
+
def test_proper_table_name_on_migration
reminder_class = new_isolated_reminder_class
migration = ActiveRecord::Migration.new
diff --git a/activerecord/test/cases/schema_dumper_test.rb b/activerecord/test/cases/schema_dumper_test.rb
index 7b93d20e05..25f4a69ad1 100644
--- a/activerecord/test/cases/schema_dumper_test.rb
+++ b/activerecord/test/cases/schema_dumper_test.rb
@@ -38,7 +38,7 @@ class SchemaDumperTest < ActiveRecord::TestCase
assert_match %r{create_table "accounts"}, output
assert_match %r{create_table "authors"}, output
assert_no_match %r{create_table "schema_migrations"}, output
- assert_no_match %r{create_table "active_record_internal_metadatas"}, output
+ assert_no_match %r{create_table "ar_internal_metadata"}, output
end
def test_schema_dump_uses_force_cascade_on_create_table
@@ -159,7 +159,7 @@ class SchemaDumperTest < ActiveRecord::TestCase
assert_no_match %r{create_table "accounts"}, output
assert_match %r{create_table "authors"}, output
assert_no_match %r{create_table "schema_migrations"}, output
- assert_no_match %r{create_table "active_record_internal_metadatas"}, output
+ assert_no_match %r{create_table "ar_internal_metadata"}, output
end
def test_schema_dump_with_regexp_ignored_table
@@ -167,7 +167,7 @@ class SchemaDumperTest < ActiveRecord::TestCase
assert_no_match %r{create_table "accounts"}, output
assert_match %r{create_table "authors"}, output
assert_no_match %r{create_table "schema_migrations"}, output
- assert_no_match %r{create_table "active_record_internal_metadatas"}, output
+ assert_no_match %r{create_table "ar_internal_metadata"}, output
end
def test_schema_dumps_index_columns_in_right_order
@@ -345,7 +345,7 @@ class SchemaDumperTest < ActiveRecord::TestCase
assert_no_match %r{create_table "foo_.+_bar"}, output
assert_no_match %r{add_index "foo_.+_bar"}, output
assert_no_match %r{create_table "schema_migrations"}, output
- assert_no_match %r{create_table "active_record_internal_metadatas"}, output
+ assert_no_match %r{create_table "ar_internal_metadata"}, output
if ActiveRecord::Base.connection.supports_foreign_keys?
assert_no_match %r{add_foreign_key "foo_.+_bar"}, output