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-rw-r--r--activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb8
-rw-r--r--activerecord/lib/active_record/fixtures.rb4
-rw-r--r--activerecord/lib/active_record/railties/databases.rake2
-rw-r--r--activerecord/lib/active_record/relation/finder_methods.rb21
4 files changed, 16 insertions, 19 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb b/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb
index 530a27d099..edeb338310 100644
--- a/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb
@@ -213,9 +213,11 @@ module ActiveRecord
# Executes the SQL statement in the context of this connection.
def execute(sql, name = nil)
- # make sure we carry over any changes to ActiveRecord::Base.default_timezone that have been
- # made since we established the connection
- @connection.query_options[:database_timezone] = ActiveRecord::Base.default_timezone
+ if @connection
+ # make sure we carry over any changes to ActiveRecord::Base.default_timezone that have been
+ # made since we established the connection
+ @connection.query_options[:database_timezone] = ActiveRecord::Base.default_timezone
+ end
super
end
diff --git a/activerecord/lib/active_record/fixtures.rb b/activerecord/lib/active_record/fixtures.rb
index 33e19313a0..70eda332b3 100644
--- a/activerecord/lib/active_record/fixtures.rb
+++ b/activerecord/lib/active_record/fixtures.rb
@@ -841,8 +841,6 @@ module ActiveRecord
end
def setup_fixtures
- return if ActiveRecord::Base.configurations.blank?
-
if pre_loaded_fixtures && !use_transactional_fixtures
raise RuntimeError, 'pre_loaded_fixtures requires use_transactional_fixtures'
end
@@ -875,8 +873,6 @@ module ActiveRecord
end
def teardown_fixtures
- return if ActiveRecord::Base.configurations.blank?
-
# Rollback changes if a transaction is active.
if run_in_transaction?
@fixture_connections.each do |connection|
diff --git a/activerecord/lib/active_record/railties/databases.rake b/activerecord/lib/active_record/railties/databases.rake
index f69e9b2217..0b74553bf8 100644
--- a/activerecord/lib/active_record/railties/databases.rake
+++ b/activerecord/lib/active_record/railties/databases.rake
@@ -324,7 +324,7 @@ db_namespace = namespace :db do
ActiveRecord::Schema.verbose = false
db_namespace["schema:load"].invoke
ensure
- ActiveRecord::Base.establish_connection(ActiveRecord::Base.configurations[Rails.env])
+ ActiveRecord::Base.establish_connection(ActiveRecord::Base.configurations[ActiveRecord::Tasks::DatabaseTasks.env])
end
end
diff --git a/activerecord/lib/active_record/relation/finder_methods.rb b/activerecord/lib/active_record/relation/finder_methods.rb
index 1550d702a6..3ea3c33fcc 100644
--- a/activerecord/lib/active_record/relation/finder_methods.rb
+++ b/activerecord/lib/active_record/relation/finder_methods.rb
@@ -124,11 +124,7 @@ module ActiveRecord
#
def first(limit = nil)
if limit
- if order_values.empty? && primary_key
- order(arel_table[primary_key].asc).limit(limit).to_a
- else
- limit(limit).to_a
- end
+ find_first_with_limit(order_values, limit)
else
find_first
end
@@ -358,12 +354,15 @@ module ActiveRecord
if loaded?
@records.first
else
- @first ||=
- if with_default_scope.order_values.empty? && primary_key
- order(arel_table[primary_key].asc).limit(1).to_a.first
- else
- limit(1).to_a.first
- end
+ @first ||= find_first_with_limit(with_default_scope.order_values, 1).first
+ end
+ end
+
+ def find_first_with_limit(order_values, limit)
+ if order_values.empty? && primary_key
+ order(arel_table[primary_key].asc).limit(limit).to_a
+ else
+ limit(limit).to_a
end
end