diff options
Diffstat (limited to 'activerecord/lib/active_record/connection_adapters/abstract_adapter.rb')
| -rw-r--r-- | activerecord/lib/active_record/connection_adapters/abstract_adapter.rb | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb index e3aab8dad8..5411a6a262 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb @@ -1,11 +1,11 @@ # frozen_string_literal: true -require "active_record/type" require "active_record/connection_adapters/determine_if_preparable_visitor" require "active_record/connection_adapters/schema_cache" require "active_record/connection_adapters/sql_type_metadata" require "active_record/connection_adapters/abstract/schema_dumper" require "active_record/connection_adapters/abstract/schema_creation" +require "active_support/concurrency/load_interlock_aware_monitor" require "arel/collectors/bind" require "arel/collectors/composite" require "arel/collectors/sql_string" @@ -108,7 +108,7 @@ module ActiveRecord @schema_cache = SchemaCache.new self @quoted_column_names, @quoted_table_names = {}, {} @visitor = arel_visitor - @lock = Monitor.new + @lock = ActiveSupport::Concurrency::LoadInterlockAwareMonitor.new if self.class.type_cast_config_to_boolean(config.fetch(:prepared_statements) { true }) @prepared_statements = true @@ -367,6 +367,19 @@ module ActiveRecord reset_transaction end + # Immediately forget this connection ever existed. Unlike disconnect!, + # this will not communicate with the server. + # + # After calling this method, the behavior of all other methods becomes + # undefined. This is called internally just before a forked process gets + # rid of a connection that belonged to its parent. + def discard! + # This should be overridden by concrete adapters. + # + # Prevent @connection's finalizer from touching the socket, or + # otherwise communicating with its server, when it is collected. + end + # Reset the state of this connection, directing the DBMS to clear # transactions and other connection-related server-side state. Usually a # database-dependent operation. |