diff options
Diffstat (limited to 'activerecord/lib')
8 files changed, 496 insertions, 57 deletions
diff --git a/activerecord/lib/active_record/aggregations.rb b/activerecord/lib/active_record/aggregations.rb index f0b549e5ad..3ae7030caa 100644 --- a/activerecord/lib/active_record/aggregations.rb +++ b/activerecord/lib/active_record/aggregations.rb @@ -10,9 +10,9 @@ module ActiveRecord # Active Record implements aggregation through a macro-like class method called +composed_of+ # for representing attributes as value objects. It expresses relationships like "Account [is] # composed of Money [among other things]" or "Person [is] composed of [an] address". Each call - # to the macro adds a description of how the value objects are created from the attributes of - # the entity object (when the entity is initialized either as a new object or from finding an - # existing object) and how it can be turned back into attributes (when the entity is saved to + # to the macro adds a description of how the value objects are created from the attributes of + # the entity object (when the entity is initialized either as a new object or from finding an + # existing object) and how it can be turned back into attributes (when the entity is saved to # the database). # # class Customer < ActiveRecord::Base diff --git a/activerecord/lib/active_record/associations/collection_proxy.rb b/activerecord/lib/active_record/associations/collection_proxy.rb index fa316a8c9d..100fb38dec 100644 --- a/activerecord/lib/active_record/associations/collection_proxy.rb +++ b/activerecord/lib/active_record/associations/collection_proxy.rb @@ -37,9 +37,107 @@ module ActiveRecord delegate :target, :load_target, :loaded?, :to => :@association ## + # :method: select + # + # :call-seq: + # select(select = nil) + # select(&block) + # + # Works in two ways. + # + # *First:* Specify a subset of fields to be selected from the result set. + # + # class Person < ActiveRecord::Base + # has_many :pets + # end + # + # person.pets + # # => [ + # # #<Pet id: 1, name: "Fancy-Fancy", person_id: 1>, + # # #<Pet id: 2, name: "Spook", person_id: 1>, + # # #<Pet id: 3, name: "Choo-Choo", person_id: 1> + # # ] + # + # person.pets.select(:name) + # # => [ + # # #<Pet id: nil, name: "Fancy-Fancy">, + # # #<Pet id: nil, name: "Spook">, + # # #<Pet id: nil, name: "Choo-Choo"> + # # ] + # + # person.pets.select([:id, :name]) + # # => [ + # # #<Pet id: 1, name: "Fancy-Fancy">, + # # #<Pet id: 2, name: "Spook">, + # # #<Pet id: 3, name: "Choo-Choo"> + # # ] + # + # Be careful because this also means you’re initializing a model + # object with only the fields that you’ve selected. If you attempt + # to access a field that is not in the initialized record you’ll + # receive: + # + # person.pets.select(:name).first.person_id + # # => ActiveModel::MissingAttributeError: missing attribute: person_id + # + # *Second:* You can pass a block so it can be used just like Array#select. + # This build an array of objects from the database for the scope, + # converting them into an array and iterating through them using + # Array#select. + # + # person.pets.select { |pet| pet.name =~ /oo/ } + # # => [ + # # #<Pet id: 2, name: "Spook", person_id: 1>, + # # #<Pet id: 3, name: "Choo-Choo", person_id: 1> + # # ] + # + # person.pets.select(:name) { |pet| pet.name =~ /oo/ } + # # => [ + # # #<Pet id: 2, name: "Spook">, + # # #<Pet id: 3, name: "Choo-Choo"> + # # ] + + ## + # :method: find + # + # :call-seq: + # find(*args, &block) + # + # Finds an object in the collection responding to the +id+. Uses the same + # rules as +ActiveRecord::Base.find+. Returns +ActiveRecord::RecordNotFound++ + # error if the object can not be found. + # + # class Person < ActiveRecord::Base + # has_many :pets + # end + # + # person.pets + # # => [ + # # #<Pet id: 1, name: "Fancy-Fancy", person_id: 1>, + # # #<Pet id: 2, name: "Spook", person_id: 1>, + # # #<Pet id: 3, name: "Choo-Choo", person_id: 1> + # # ] + # + # person.pets.find(1) # => #<Pet id: 1, name: "Fancy-Fancy", person_id: 1> + # person.pets.find(4) # => ActiveRecord::RecordNotFound: Couldn't find Pet with id=4 + # + # person.pets.find(2) { |pet| pet.name.downcase! } + # # => #<Pet id: 2, name: "fancy-fancy", person_id: 1> + # + # person.pets.find(2, 3) + # # => [ + # # #<Pet id: 2, name: "Spook", person_id: 1>, + # # #<Pet id: 3, name: "Choo-Choo", person_id: 1> + # # ] + + ## # :method: first + # + # :call-seq: + # first(limit = nil) + # # Returns the first record, or the first +n+ records, from the collection. - # If the collection is empty, the first form returns nil, and the second + # If the collection is empty, the first form returns +nil+, and the second # form returns an empty array. # # class Person < ActiveRecord::Base @@ -67,8 +165,12 @@ module ActiveRecord ## # :method: last + # + # :call-seq: + # last(limit = nil) + # # Returns the last record, or the last +n+ records, from the collection. - # If the collection is empty, the first form returns nil, and the second + # If the collection is empty, the first form returns +nil+, and the second # form returns an empty array. # # class Person < ActiveRecord::Base @@ -95,7 +197,95 @@ module ActiveRecord # another_person_without.pets.last(3) # => [] ## + # :method: build + # + # :call-seq: + # build(attributes = {}, options = {}, &block) + # + # Returns a new object of the collection type that has been instantiated + # with +attributes+ and linked to this object, but have not yet been saved. + # You can pass an array of attributes hashes, this will return an array + # with the new objects. + # + # class Person + # has_many :pets + # end + # + # person.pets.build + # # => #<Pet id: nil, name: nil, person_id: 1> + # + # person.pets.build(name: 'Fancy-Fancy') + # # => #<Pet id: nil, name: "Fancy-Fancy", person_id: 1> + # + # person.pets.build([{name: 'Spook'}, {name: 'Choo-Choo'}, {name: 'Brain'}]) + # # => [ + # # #<Pet id: nil, name: "Spook", person_id: 1>, + # # #<Pet id: nil, name: "Choo-Choo", person_id: 1>, + # # #<Pet id: nil, name: "Brain", person_id: 1> + # # ] + # + # person.pets.size # => 5 # size of the collection + # person.pets.count # => 0 # count from database + + ## + # :method: create + # + # :call-seq: + # create(attributes = {}, options = {}, &block) + # + # Returns a new object of the collection type that has been instantiated with + # attributes, linked to this object and that has already been saved (if it + # passes the validations). + # + # class Person + # has_many :pets + # end + # + # person.pets.create(name: 'Fancy-Fancy') + # # => #<Pet id: 1, name: "Fancy-Fancy", person_id: 1> + # + # person.pets.create([{name: 'Spook'}, {name: 'Choo-Choo'}]) + # # => [ + # # #<Pet id: 2, name: "Spook", person_id: 1>, + # # #<Pet id: 3, name: "Choo-Choo", person_id: 1> + # # ] + # + # person.pets.size # => 3 + # person.pets.count # => 3 + # + # person.pets.find(1, 2, 3) + # # => [ + # # #<Pet id: 1, name: "Fancy-Fancy", person_id: 1>, + # # #<Pet id: 2, name: "Spook", person_id: 1>, + # # #<Pet id: 3, name: "Choo-Choo", person_id: 1> + # # ] + + ## + # :method: create! + # + # :call-seq: + # create!(attributes = {}, options = {}, &block) + # + # Like +create+, except that if the record is invalid, raises an exception. + # + # class Person + # has_many :pets + # end + # + # class Pet + # attr_accessible :name + # validates :name, presence: true + # end + # + # person.pets.create!(name: nil) + # # => ActiveRecord::RecordInvalid: Validation failed: Name can't be blank + + ## # :method: concat + # + # :call-seq: + # concat(*records) + # # Add one or more records to the collection by setting their foreign keys # to the association's primary key. Since << flattens its argument list and # inserts each record, +push+ and +concat+ behave identically. Returns +self+ @@ -123,6 +313,10 @@ module ActiveRecord ## # :method: replace + # + # :call-seq: + # replace(other_array) + # # Replace this collection with +other_array+. This will perform a diff # and delete/add only records that have changed. # @@ -147,23 +341,249 @@ module ActiveRecord # # => ActiveRecord::AssociationTypeMismatch: Pet expected, got String ## + # :method: delete_all + # + # Deletes all the records from the collection. For +has_many+ asssociations, + # the deletion is done according to the strategy specified by the <tt>:dependent</tt> + # option. Returns an array with the deleted records. + # + # If no <tt>:dependent</tt> option is given, then it will follow the + # default strategy. The default strategy is <tt>:nullify</tt>. This + # sets the foreign keys to <tt>NULL</tt>. For, +has_many+ <tt>:through</tt>, + # the default strategy is +delete_all+. + # + # class Person < ActiveRecord::Base + # has_many :pets # dependent: :nullify option by default + # end + # + # person.pets.size # => 3 + # person.pets + # # => [ + # # #<Pet id: 1, name: "Fancy-Fancy", person_id: 1>, + # # #<Pet id: 2, name: "Spook", person_id: 1>, + # # #<Pet id: 3, name: "Choo-Choo", person_id: 1> + # # ] + # + # person.pets.delete_all + # # => [ + # # #<Pet id: 1, name: "Fancy-Fancy", person_id: 1>, + # # #<Pet id: 2, name: "Spook", person_id: 1>, + # # #<Pet id: 3, name: "Choo-Choo", person_id: 1> + # # ] + # + # person.pets.size # => 0 + # person.pets # => [] + # + # Pet.find(1, 2, 3) + # # => [ + # # #<Pet id: 1, name: "Fancy-Fancy", person_id: nil>, + # # #<Pet id: 2, name: "Spook", person_id: nil>, + # # #<Pet id: 3, name: "Choo-Choo", person_id: nil> + # # ] + # + # If it is set to <tt>:destroy</tt> all the objects from the collection + # are removed by calling their +destroy+ method. See +destroy+ for more + # information. + # + # class Person < ActiveRecord::Base + # has_many :pets, dependent: :destroy + # end + # + # person.pets.size # => 3 + # person.pets + # # => [ + # # #<Pet id: 1, name: "Fancy-Fancy", person_id: 1>, + # # #<Pet id: 2, name: "Spook", person_id: 1>, + # # #<Pet id: 3, name: "Choo-Choo", person_id: 1> + # # ] + # + # person.pets.delete_all + # # => [ + # # #<Pet id: 1, name: "Fancy-Fancy", person_id: 1>, + # # #<Pet id: 2, name: "Spook", person_id: 1>, + # # #<Pet id: 3, name: "Choo-Choo", person_id: 1> + # # ] + # + # Pet.find(1, 2, 3) + # # => ActiveRecord::RecordNotFound + # + # If it is set to <tt>:delete_all</tt>, all the objects are deleted + # *without* calling their +destroy+ method. + # + # class Person < ActiveRecord::Base + # has_many :pets, dependent: :delete_all + # end + # + # person.pets.size # => 3 + # person.pets + # # => [ + # # #<Pet id: 1, name: "Fancy-Fancy", person_id: 1>, + # # #<Pet id: 2, name: "Spook", person_id: 1>, + # # #<Pet id: 3, name: "Choo-Choo", person_id: 1> + # # ] + # + # person.pets.delete_all + # # => [ + # # #<Pet id: 1, name: "Fancy-Fancy", person_id: 1>, + # # #<Pet id: 2, name: "Spook", person_id: 1>, + # # #<Pet id: 3, name: "Choo-Choo", person_id: 1> + # # ] + # + # Pet.find(1, 2, 3) + # # => ActiveRecord::RecordNotFound + + ## # :method: destroy_all - # Destroy all the records from this association. + # + # Deletes the records of the collection directly from the database. + # This will _always_ remove the records ignoring the +:dependent+ + # option. # # class Person < ActiveRecord::Base # has_many :pets # end # # person.pets.size # => 3 + # person.pets + # # => [ + # # #<Pet id: 1, name: "Fancy-Fancy", person_id: 1>, + # # #<Pet id: 2, name: "Spook", person_id: 1>, + # # #<Pet id: 3, name: "Choo-Choo", person_id: 1> + # # ] # # person.pets.destroy_all # # person.pets.size # => 0 # person.pets # => [] + # + # Pet.find(1) # => Couldn't find Pet with id=1 + + ## + # :method: destroy + # + # :call-seq: + # destroy(*records) + # + # Destroy the +records+ supplied and remove them from the collection. + # This method will _always_ remove record from the database ignoring + # the +:dependent+ option. Returns an array with the removed records. + # + # class Person < ActiveRecord::Base + # has_many :pets + # end + # + # person.pets.size # => 3 + # person.pets + # # => [ + # # #<Pet id: 1, name: "Fancy-Fancy", person_id: 1>, + # # #<Pet id: 2, name: "Spook", person_id: 1>, + # # #<Pet id: 3, name: "Choo-Choo", person_id: 1> + # # ] + # + # person.pets.destroy(Pet.find(1)) + # # => [#<Pet id: 1, name: "Fancy-Fancy", person_id: 1>] + # + # person.pets.size # => 2 + # person.pets + # # => [ + # # #<Pet id: 2, name: "Spook", person_id: 1>, + # # #<Pet id: 3, name: "Choo-Choo", person_id: 1> + # # ] + # + # person.pets.destroy(Pet.find(2), Pet.find(3)) + # # => [ + # # #<Pet id: 2, name: "Spook", person_id: 1>, + # # #<Pet id: 3, name: "Choo-Choo", person_id: 1> + # # ] + # + # person.pets.size # => 0 + # person.pets # => [] + # + # Pet.find(1, 2, 3) # => ActiveRecord::RecordNotFound: Couldn't find all Pets with IDs (1, 2, 3) + # + # You can pass +Fixnum+ or +String+ values, it finds the records + # responding to the +id+ and then deletes them from the database. + # + # person.pets.size # => 3 + # person.pets + # # => [ + # # #<Pet id: 4, name: "Benny", person_id: 1>, + # # #<Pet id: 5, name: "Brain", person_id: 1>, + # # #<Pet id: 6, name: "Boss", person_id: 1> + # # ] + # + # person.pets.destroy("4") + # # => #<Pet id: 4, name: "Benny", person_id: 1> + # + # person.pets.size # => 2 + # person.pets + # # => [ + # # #<Pet id: 5, name: "Brain", person_id: 1>, + # # #<Pet id: 6, name: "Boss", person_id: 1> + # # ] + # + # person.pets.destroy(5, 6) + # # => [ + # # #<Pet id: 5, name: "Brain", person_id: 1>, + # # #<Pet id: 6, name: "Boss", person_id: 1> + # # ] + # + # person.pets.size # => 0 + # person.pets # => [] + # + # Pet.find(4, 5, 6) # => ActiveRecord::RecordNotFound: Couldn't find all Pets with IDs (4, 5, 6) + + ## + # :method: size + # + # Returns the size of the collection. If the collection hasn't been loaded, + # it executes a <tt>SELECT COUNT(*)</tt> query. + # + # class Person < ActiveRecord::Base + # has_many :pets + # end + # + # person.pets.size # => 3 + # # executes something like SELECT COUNT(*) FROM "pets" WHERE "pets"."person_id" = 1 + # + # person.pets # This will execute a SELECT * FROM query + # # => [ + # # #<Pet id: 1, name: "Fancy-Fancy", person_id: 1>, + # # #<Pet id: 2, name: "Spook", person_id: 1>, + # # #<Pet id: 3, name: "Choo-Choo", person_id: 1> + # # ] + # + # person.pets.size # => 3 + # # Because the collection is already loaded, this will behave like + # # collection.size and no SQL count query is executed. + + ## + # :method: length + # + # Returns the size of the collection calling +size+ on the target. + # If the collection has been already loaded, +length+ and +size+ are + # equivalent. + # + # class Person < ActiveRecord::Base + # has_many :pets + # end + # + # person.pets.length # => 3 + # # executes something like SELECT "pets".* FROM "pets" WHERE "pets"."person_id" = 1 + # + # # Because the collection is loaded, you can + # # call the collection with no additional queries: + # person.pets + # # => [ + # # #<Pet id: 1, name: "Fancy-Fancy", person_id: 1>, + # # #<Pet id: 2, name: "Spook", person_id: 1>, + # # #<Pet id: 3, name: "Choo-Choo", person_id: 1> + # # ] ## # :method: empty? - # Returns true if the collection is empty. + # + # Returns +true+ if the collection is empty. # # class Person < ActiveRecord::Base # has_many :pets @@ -179,7 +599,12 @@ module ActiveRecord ## # :method: any? - # Returns true if the collection is not empty. + # + # :call-seq: + # any? + # any?{|item| block} + # + # Returns +true+ if the collection is not empty. # # class Person < ActiveRecord::Base # has_many :pets @@ -211,8 +636,13 @@ module ActiveRecord ## # :method: many? + # + # :call-seq: + # many? + # many?{|item| block} + # # Returns true if the collection has more than one record. - # Equivalent to +collection.size > 1+. + # Equivalent to <tt>collection.size > 1</tt>. # # class Person < ActiveRecord::Base # has_many :pets @@ -248,7 +678,11 @@ module ActiveRecord ## # :method: include? - # Returns true if the given object is present in the collection. + # + # :call-seq: + # include?(record) + # + # Returns +true+ if the given object is present in the collection. # # class Person < ActiveRecord::Base # has_many :pets @@ -331,37 +765,32 @@ module ActiveRecord end alias_method :push, :<< - # Removes every object from the collection. This does not destroy - # the objects, it sets their foreign keys to +NULL+. Returns +self+ - # so methods can be chained. + # Equivalent to +delete_all+. The difference is that returns +self+, instead + # of an array with the deleted objects, so methods can be chained. See + # +delete_all+ for more information. + def clear + delete_all + self + end + + # Reloads the collection from the database. Returns +self+. + # Equivalent to <tt>collection(true)</tt>. # # class Person < ActiveRecord::Base # has_many :pets # end # - # person.pets # => [#<Pet id: 1, name: "Snoop", group: "dogs", person_id: 1>] - # person.pets.clear # => [] - # person.pets.size # => 0 + # person.pets # fetches pets from the database + # # => [#<Pet id: 1, name: "Snoop", group: "dogs", person_id: 1>] # - # Pet.find(1) # => #<Pet id: 1, name: "Snoop", group: "dogs", person_id: nil> + # person.pets # uses the pets cache + # # => [#<Pet id: 1, name: "Snoop", group: "dogs", person_id: 1>] # - # If they are associated with +dependent: :destroy+ option, it deletes - # them directly from the database. + # person.pets.reload # fetches pets from the database + # # => [#<Pet id: 1, name: "Snoop", group: "dogs", person_id: 1>] # - # class Person < ActiveRecord::Base - # has_many :pets, dependent: :destroy - # end - # - # person.pets # => [#<Pet id: 2, name: "Gorby", group: "cats", person_id: 2>] - # person.pets.clear # => [] - # person.pets.size # => 0 - # - # Pet.find(2) # => ActiveRecord::RecordNotFound: Couldn't find Pet with id=2 - def clear - delete_all - self - end - + # person.pets(true) # fetches pets from the database + # # => [#<Pet id: 1, name: "Snoop", group: "dogs", person_id: 1>] def reload proxy_association.reload self diff --git a/activerecord/lib/active_record/associations/preloader.rb b/activerecord/lib/active_record/associations/preloader.rb index fafed94ff2..54705e4950 100644 --- a/activerecord/lib/active_record/associations/preloader.rb +++ b/activerecord/lib/active_record/associations/preloader.rb @@ -12,7 +12,7 @@ module ActiveRecord # and all of its books via a single query: # # SELECT * FROM authors - # LEFT OUTER JOIN books ON authors.id = books.id + # LEFT OUTER JOIN books ON authors.id = books.author_id # WHERE authors.name = 'Ken Akamatsu' # # However, this could result in many rows that contain redundant data. After 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 c6699737b4..c259e46073 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb @@ -55,12 +55,20 @@ module ActiveRecord # # == Options # - # There are two connection-pooling-related options that you can add to + # There are several connection-pooling-related options that you can add to # your database connection configuration: # # * +pool+: number indicating size of connection pool (default 5) - # * +wait_timeout+: number of seconds to block and wait for a connection + # * +checkout_timeout+: number of seconds to block and wait for a connection # before giving up and raising a timeout error (default 5 seconds). + # * +reaping_frequency+: frequency in seconds to periodically run the + # Reaper, which attempts to find and close dead connections, which can + # occur if a programmer forgets to close a connection at the end of a + # thread or a thread dies unexpectedly. (Default nil, which means don't + # run the Reaper). + # * +dead_connection_timeout+: number of seconds from last checkout + # after which the Reaper will consider a connection reapable. (default + # 5 seconds). class ConnectionPool # Every +frequency+ seconds, the reaper will call +reap+ on +pool+. # A reaper instantiated with a nil frequency will never reap the @@ -89,7 +97,7 @@ module ActiveRecord include MonitorMixin - attr_accessor :automatic_reconnect, :timeout + attr_accessor :automatic_reconnect, :checkout_timeout, :dead_connection_timeout attr_reader :spec, :connections, :size, :reaper class Latch # :nodoc: @@ -121,7 +129,8 @@ module ActiveRecord # The cache of reserved connections mapped to threads @reserved_connections = {} - @timeout = spec.config[:wait_timeout] || 5 + @checkout_timeout = spec.config[:checkout_timeout] || 5 + @dead_connection_timeout = spec.config[:dead_connection_timeout] @reaper = Reaper.new self, spec.config[:reaping_frequency] @reaper.run @@ -241,7 +250,7 @@ module ActiveRecord return checkout_and_verify(conn) if conn end - Timeout.timeout(@timeout, PoolFullError) { @latch.await } + Timeout.timeout(@checkout_timeout, PoolFullError) { @latch.await } end end @@ -279,7 +288,7 @@ module ActiveRecord # or a thread dies unexpectedly. def reap synchronize do - stale = Time.now - @timeout + stale = Time.now - @dead_connection_timeout connections.dup.each do |conn| remove conn if conn.in_use? && stale > conn.last_use && !conn.active? end diff --git a/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb b/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb index 350ccce03d..8fc172f6e8 100644 --- a/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb @@ -268,7 +268,7 @@ module ActiveRecord # increase timeout so mysql server doesn't disconnect us wait_timeout = @config[:wait_timeout] - wait_timeout = 2592000 unless wait_timeout.is_a?(Fixnum) + wait_timeout = 2147483 unless wait_timeout.is_a?(Fixnum) variable_assignments << "@@wait_timeout = #{wait_timeout}" execute("SET #{variable_assignments.join(', ')}", :skip_logging) diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb index 15c3d7be36..7dcea375e1 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb @@ -18,7 +18,7 @@ module ActiveRecord # Forward any unused config params to PGconn.connect. [:statement_limit, :encoding, :min_messages, :schema_search_path, - :schema_order, :adapter, :pool, :wait_timeout, :template, + :schema_order, :adapter, :pool, :checkout_timeout, :template, :reaping_frequency, :insert_returning].each do |key| conn_params.delete key end @@ -964,22 +964,22 @@ module ActiveRecord binds = [[nil, table]] binds << [nil, schema] if schema - exec_query(<<-SQL, 'SCHEMA', binds).rows.first[0].to_i > 0 + exec_query(<<-SQL, 'SCHEMA').rows.first[0].to_i > 0 SELECT COUNT(*) FROM pg_class c LEFT JOIN pg_namespace n ON n.oid = c.relnamespace WHERE c.relkind in ('v','r') - AND c.relname = $1 - AND n.nspname = #{schema ? '$2' : 'ANY (current_schemas(false))'} + AND c.relname = '#{table.gsub(/(^"|"$)/,'')}' + AND n.nspname = #{schema ? "'#{schema}'" : 'ANY (current_schemas(false))'} SQL end # Returns true if schema exists. def schema_exists?(name) - exec_query(<<-SQL, 'SCHEMA', [[nil, name]]).rows.first[0].to_i > 0 + exec_query(<<-SQL, 'SCHEMA').rows.first[0].to_i > 0 SELECT COUNT(*) FROM pg_namespace - WHERE nspname = $1 + WHERE nspname = '#{name}' SQL end @@ -1110,8 +1110,8 @@ module ActiveRecord end def serial_sequence(table, column) - result = exec_query(<<-eosql, 'SCHEMA', [[nil, table], [nil, column]]) - SELECT pg_get_serial_sequence($1, $2) + result = exec_query(<<-eosql, 'SCHEMA') + SELECT pg_get_serial_sequence('#{table}', '#{column}') eosql result.rows.first.first end @@ -1188,13 +1188,13 @@ module ActiveRecord # Returns just a table's primary key def primary_key(table) - row = exec_query(<<-end_sql, 'SCHEMA', [[nil, table]]).rows.first + row = exec_query(<<-end_sql, 'SCHEMA').rows.first SELECT DISTINCT(attr.attname) FROM pg_attribute attr INNER JOIN pg_depend dep ON attr.attrelid = dep.refobjid AND attr.attnum = dep.refobjsubid INNER JOIN pg_constraint cons ON attr.attrelid = cons.conrelid AND attr.attnum = cons.conkey[1] WHERE cons.contype = 'p' - AND dep.refobjid = $1::regclass + AND dep.refobjid = '#{table}'::regclass end_sql row && row.first @@ -1274,7 +1274,7 @@ module ActiveRecord end when 'integer' return 'integer' unless limit - + case limit when 1, 2; 'smallint' when 3, 4; 'integer' @@ -1471,7 +1471,7 @@ module ActiveRecord end def last_insert_id_result(sequence_name) #:nodoc: - exec_query("SELECT currval($1)", 'SQL', [[nil, sequence_name]]) + exec_query("SELECT currval('#{sequence_name}')", 'SQL') end # Executes a SELECT query and returns the results, performing any data type diff --git a/activerecord/lib/active_record/railties/databases.rake b/activerecord/lib/active_record/railties/databases.rake index f26e18b1e0..d8d4834d22 100644 --- a/activerecord/lib/active_record/railties/databases.rake +++ b/activerecord/lib/active_record/railties/databases.rake @@ -406,10 +406,11 @@ db_namespace = namespace :db do set_psql_env(abcs[Rails.env]) search_path = abcs[Rails.env]['schema_search_path'] unless search_path.blank? - search_path = search_path.split(",").map{|search_path_part| "--schema=#{search_path_part.strip}" }.join(" ") + search_path = search_path.split(",").map{|search_path_part| "--schema=#{Shellwords.escape(search_path_part.strip)}" }.join(" ") end - `pg_dump -i -s -x -O -f #{filename} #{search_path} #{abcs[Rails.env]['database']}` + `pg_dump -i -s -x -O -f #{Shellwords.escape(filename)} #{search_path} #{Shellwords.escape(abcs[Rails.env]['database'])}` raise 'Error dumping database' if $?.exitstatus == 1 + File.open(filename, "a") { |f| f << "SET search_path TO #{ActiveRecord::Base.connection.schema_search_path};\n\n" } when /sqlite/ dbfile = abcs[Rails.env]['database'] `sqlite3 #{dbfile} .schema > #{filename}` diff --git a/activerecord/lib/active_record/serializers/xml_serializer.rb b/activerecord/lib/active_record/serializers/xml_serializer.rb index 2e60521638..b833af64fe 100644 --- a/activerecord/lib/active_record/serializers/xml_serializer.rb +++ b/activerecord/lib/active_record/serializers/xml_serializer.rb @@ -18,8 +18,8 @@ module ActiveRecord #:nodoc: # <id type="integer">1</id> # <approved type="boolean">false</approved> # <replies-count type="integer">0</replies-count> - # <bonus-time type="datetime">2000-01-01T08:28:00+12:00</bonus-time> - # <written-on type="datetime">2003-07-16T09:28:00+1200</written-on> + # <bonus-time type="dateTime">2000-01-01T08:28:00+12:00</bonus-time> + # <written-on type="dateTime">2003-07-16T09:28:00+1200</written-on> # <content>Have a nice day</content> # <author-email-address>david@loudthinking.com</author-email-address> # <parent-id></parent-id> |