diff options
Diffstat (limited to 'activerecord/lib')
5 files changed, 26 insertions, 9 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb b/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb index a609867898..46c7fc71ac 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb @@ -286,12 +286,10 @@ module ActiveRecord private def release(conn) - thread_id = nil - - if @reserved_connections[current_connection_id] == conn - thread_id = current_connection_id + thread_id = if @reserved_connections[current_connection_id] == conn + current_connection_id else - thread_id = @reserved_connections.keys.find { |k| + @reserved_connections.keys.find { |k| @reserved_connections[k] == conn } end diff --git a/activerecord/lib/active_record/persistence.rb b/activerecord/lib/active_record/persistence.rb index 12e232a97f..4a987c2343 100644 --- a/activerecord/lib/active_record/persistence.rb +++ b/activerecord/lib/active_record/persistence.rb @@ -268,7 +268,13 @@ module ActiveRecord clear_aggregation_cache clear_association_cache - fresh_object = self.class.unscoped { self.class.find(id, options) } + fresh_object = + if options && options[:lock] + self.class.unscoped { self.class.lock.find(id) } + else + self.class.unscoped { self.class.find(id) } + end + @attributes.update(fresh_object.instance_variable_get('@attributes')) @columns_hash = fresh_object.instance_variable_get('@columns_hash') diff --git a/activerecord/lib/active_record/querying.rb b/activerecord/lib/active_record/querying.rb index 95565b503a..29b8b2fb73 100644 --- a/activerecord/lib/active_record/querying.rb +++ b/activerecord/lib/active_record/querying.rb @@ -11,7 +11,7 @@ module ActiveRecord delegate :select, :group, :order, :except, :reorder, :limit, :offset, :joins, :where, :preload, :eager_load, :includes, :from, :lock, :readonly, :having, :create_with, :uniq, :references, :none, :to => :scoped - delegate :count, :average, :minimum, :maximum, :sum, :calculate, :pluck, :to => :scoped + delegate :count, :average, :minimum, :maximum, :sum, :calculate, :pluck, :ids, :to => :scoped # Executes a custom SQL query against your database and returns all the results. The results will # be returned as an array with columns requested encapsulated as attributes of the model you call diff --git a/activerecord/lib/active_record/relation/calculations.rb b/activerecord/lib/active_record/relation/calculations.rb index db894c8aa9..f388b75c05 100644 --- a/activerecord/lib/active_record/relation/calculations.rb +++ b/activerecord/lib/active_record/relation/calculations.rb @@ -139,6 +139,16 @@ module ActiveRecord end end + # Pluck all the ID's for the relation using the table's primary key + # + # Examples: + # + # Person.ids # SELECT people.id FROM people + # Person.joins(:companies).ids # SELECT people.id FROM PEOPLE INNER JOIN companies ON companies.person_id = people.id + def ids + pluck primary_key + end + private def perform_calculation(operation, column_name, options = {}) diff --git a/activerecord/lib/active_record/relation/finder_methods.rb b/activerecord/lib/active_record/relation/finder_methods.rb index 416b55f5c5..1ceb1949a4 100644 --- a/activerecord/lib/active_record/relation/finder_methods.rb +++ b/activerecord/lib/active_record/relation/finder_methods.rb @@ -217,8 +217,11 @@ module ActiveRecord if match.bang? && result.blank? raise RecordNotFound, "Couldn't find #{@klass.name} with #{conditions.to_a.collect {|p| p.join(' = ')}.join(', ')}" else - yield(result) if block_given? - result + if block_given? && result + yield(result) + else + result + end end end |