diff options
Diffstat (limited to 'activerecord/lib/active_record/relation')
15 files changed, 187 insertions, 241 deletions
diff --git a/activerecord/lib/active_record/relation/batches/batch_enumerator.rb b/activerecord/lib/active_record/relation/batches/batch_enumerator.rb index 333b3a63cf..3555779ec2 100644 --- a/activerecord/lib/active_record/relation/batches/batch_enumerator.rb +++ b/activerecord/lib/active_record/relation/batches/batch_enumerator.rb @@ -7,7 +7,7 @@ module ActiveRecord @of = of @relation = relation @start = start - @finish = finish + @finish = finish end # Looping through a collection of records from the database (using the diff --git a/activerecord/lib/active_record/relation/calculations.rb b/activerecord/lib/active_record/relation/calculations.rb index a796e35261..827688a663 100644 --- a/activerecord/lib/active_record/relation/calculations.rb +++ b/activerecord/lib/active_record/relation/calculations.rb @@ -112,10 +112,6 @@ module ActiveRecord # ... # end def calculate(operation, column_name) - if column_name.is_a?(Symbol) && attribute_alias?(column_name) - column_name = attribute_alias(column_name) - end - if has_include?(column_name) relation = construct_relation_for_association_calculations relation = relation.distinct if operation.to_s.downcase == "count" @@ -215,8 +211,8 @@ module ActiveRecord def aggregate_column(column_name) return column_name if Arel::Expressions === column_name - if @klass.column_names.include?(column_name.to_s) - Arel::Attribute.new(@klass.unscoped.table, column_name) + if @klass.has_attribute?(column_name.to_s) || @klass.attribute_alias?(column_name.to_s) + @klass.arel_attribute(column_name) else Arel.sql(column_name == :all ? "*" : column_name.to_s) end @@ -227,17 +223,17 @@ module ActiveRecord end def execute_simple_calculation(operation, column_name, distinct) #:nodoc: - # PostgreSQL doesn't like ORDER BY when there are no GROUP BY - relation = unscope(:order) - column_alias = column_name - if operation == "count" && (relation.limit_value || relation.offset_value) + if operation == "count" && (limit_value || offset_value) # Shortcut when limit is zero. - return 0 if relation.limit_value == 0 + return 0 if limit_value == 0 - query_builder = build_count_subquery(relation, column_name, distinct) + query_builder = build_count_subquery(spawn, column_name, distinct) else + # PostgreSQL doesn't like ORDER BY when there are no GROUP BY + relation = unscope(:order) + column = aggregate_column(column_name) select_value = operation_over_aggregate_column(column, operation, distinct) @@ -252,11 +248,11 @@ module ActiveRecord result = @klass.connection.select_all(query_builder, nil, bound_attributes) row = result.first value = row && row.values.first - column = result.column_types.fetch(column_alias) do + type = result.column_types.fetch(column_alias) do type_for(column_name) end - type_cast_calculated_value(value, column, operation) + type_cast_calculated_value(value, type, operation) end def execute_grouped_calculation(operation, column_name, distinct) #:nodoc: @@ -310,28 +306,26 @@ module ActiveRecord Hash[calculated_data.map do |row| key = group_columns.map { |aliaz, col_name| - column = type_for(col_name) do - calculated_data.column_types.fetch(aliaz) do - Type.default_value - end + type = type_for(col_name) do + calculated_data.column_types.fetch(aliaz, Type.default_value) end - type_cast_calculated_value(row[aliaz], column) + type_cast_calculated_value(row[aliaz], type) } key = key.first if key.size == 1 key = key_records[key] if associated - column_type = calculated_data.column_types.fetch(aggregate_alias) { type_for(column_name) } - [key, type_cast_calculated_value(row[aggregate_alias], column_type, operation)] + type = calculated_data.column_types.fetch(aggregate_alias) { type_for(column_name) } + [key, type_cast_calculated_value(row[aggregate_alias], type, operation)] end] end - # Converts the given keys to the value that the database adapter returns as - # a usable column name: - # - # column_alias_for("users.id") # => "users_id" - # column_alias_for("sum(id)") # => "sum_id" - # column_alias_for("count(distinct users.id)") # => "count_distinct_users_id" - # column_alias_for("count(*)") # => "count_all" + # Converts the given keys to the value that the database adapter returns as + # a usable column name: + # + # column_alias_for("users.id") # => "users_id" + # column_alias_for("sum(id)") # => "sum_id" + # column_alias_for("count(distinct users.id)") # => "count_distinct_users_id" + # column_alias_for("count(*)") # => "count_all" def column_alias_for(keys) if keys.respond_to? :name keys = "#{keys.relation.name}.#{keys.name}" @@ -356,7 +350,7 @@ module ActiveRecord when "count" then value.to_i when "sum" then type.deserialize(value || 0) when "average" then value.respond_to?(:to_d) ? value.to_d : value - else type.deserialize(value) + else type.deserialize(value) end end diff --git a/activerecord/lib/active_record/relation/delegation.rb b/activerecord/lib/active_record/relation/delegation.rb index d16de4b06c..3c1dea8c6c 100644 --- a/activerecord/lib/active_record/relation/delegation.rb +++ b/activerecord/lib/active_record/relation/delegation.rb @@ -1,6 +1,3 @@ -require "active_support/concern" -require "active_support/core_ext/regexp" - module ActiveRecord module Delegation # :nodoc: module DelegateCache # :nodoc: @@ -18,7 +15,10 @@ module ActiveRecord delegate = Class.new(klass) { include ClassSpecificRelation } - const_set klass.name.gsub("::".freeze, "_".freeze), delegate + mangled_name = klass.name.gsub("::".freeze, "_".freeze) + const_set mangled_name, delegate + private_constant mangled_name + cache[klass] = delegate end end @@ -81,7 +81,7 @@ module ActiveRecord end end - protected + private def method_missing(method, *args, &block) if @klass.respond_to?(method) diff --git a/activerecord/lib/active_record/relation/finder_methods.rb b/activerecord/lib/active_record/relation/finder_methods.rb index 5e580ac865..6663bdb244 100644 --- a/activerecord/lib/active_record/relation/finder_methods.rb +++ b/activerecord/lib/active_record/relation/finder_methods.rb @@ -76,7 +76,7 @@ module ActiveRecord # Post.find_by "published_at < ?", 2.weeks.ago def find_by(arg, *args) where(arg, *args).take - rescue RangeError + rescue ::RangeError nil end @@ -84,7 +84,7 @@ module ActiveRecord # an ActiveRecord::RecordNotFound error. def find_by!(arg, *args) where(arg, *args).take! - rescue RangeError + rescue ::RangeError raise RecordNotFound.new("Couldn't find #{@klass.name} with an out of range value", @klass.name) end @@ -152,14 +152,6 @@ module ActiveRecord result = result.reverse_order! limit ? result.reverse : result.first - rescue ActiveRecord::IrreversibleOrderError - ActiveSupport::Deprecation.warn(<<-WARNING.squish) - Finding a last element by loading the relation when SQL ORDER - can not be reversed is deprecated. - Rails 5.1 will raise ActiveRecord::IrreversibleOrderError in this case. - Please call `to_a.last` if you still want to load the relation. - WARNING - find_last(limit) end # Same as #last but raises ActiveRecord::RecordNotFound if no record @@ -309,8 +301,7 @@ module ActiveRecord # Person.exists? def exists?(conditions = :none) if Base === conditions - conditions = conditions.id - ActiveSupport::Deprecation.warn(<<-MSG.squish) + raise ArgumentError, <<-MSG.squish You are passing an instance of ActiveRecord::Base to `exists?`. Please pass the id of the object by calling `.id`. MSG @@ -321,7 +312,7 @@ module ActiveRecord relation = apply_join_dependency(self, construct_join_dependency(eager_loading: false)) return false if ActiveRecord::NullRelation === relation - relation = relation.except(:select, :order).select(ONE_AS_ONE).limit(1) + relation = relation.except(:select, :distinct).select(ONE_AS_ONE).limit(1) case conditions when Array, Hash @@ -333,7 +324,7 @@ module ActiveRecord end connection.select_value(relation, "#{name} Exists", relation.bound_attributes) ? true : false - rescue RangeError + rescue ::RangeError false end @@ -345,7 +336,7 @@ module ActiveRecord # of results obtained should be provided in the +result_size+ argument and # the expected number of results should be provided in the +expected_size+ # argument. - def raise_record_not_found_exception!(ids = nil, result_size = nil, expected_size = nil) # :nodoc: + def raise_record_not_found_exception!(ids = nil, result_size = nil, expected_size = nil, key = primary_key) # :nodoc: conditions = arel.where_sql(@klass.arel_engine) conditions = " [#{conditions}]" if conditions name = @klass.name @@ -353,15 +344,15 @@ module ActiveRecord if ids.nil? error = "Couldn't find #{name}" error << " with#{conditions}" if conditions - raise RecordNotFound, error + raise RecordNotFound.new(error, name) elsif Array(ids).size == 1 - error = "Couldn't find #{name} with '#{primary_key}'=#{ids}#{conditions}" - raise RecordNotFound.new(error, name, primary_key, ids) + error = "Couldn't find #{name} with '#{key}'=#{ids}#{conditions}" + raise RecordNotFound.new(error, name, key, ids) else - error = "Couldn't find all #{name.pluralize} with '#{primary_key}': " + error = "Couldn't find all #{name.pluralize} with '#{key}': " error << "(#{ids.join(", ")})#{conditions} (found #{result_size} results, but was looking for #{expected_size})" - raise RecordNotFound, error + raise RecordNotFound.new(error, name, primary_key, ids) end end @@ -439,143 +430,140 @@ module ActiveRecord reflections.none?(&:collection?) end - protected + private - def find_with_ids(*ids) - raise UnknownPrimaryKey.new(@klass) if primary_key.nil? + def find_with_ids(*ids) + raise UnknownPrimaryKey.new(@klass) if primary_key.nil? - expects_array = ids.first.kind_of?(Array) - return ids.first if expects_array && ids.first.empty? + expects_array = ids.first.kind_of?(Array) + return ids.first if expects_array && ids.first.empty? - ids = ids.flatten.compact.uniq + ids = ids.flatten.compact.uniq - case ids.size - when 0 - raise RecordNotFound, "Couldn't find #{@klass.name} without an ID" - when 1 - result = find_one(ids.first) - expects_array ? [ result ] : result - else - find_some(ids) + case ids.size + when 0 + raise RecordNotFound, "Couldn't find #{@klass.name} without an ID" + when 1 + result = find_one(ids.first) + expects_array ? [ result ] : result + else + find_some(ids) + end + rescue ::RangeError + raise RecordNotFound, "Couldn't find #{@klass.name} with an out of range ID" end - rescue RangeError - raise RecordNotFound, "Couldn't find #{@klass.name} with an out of range ID" - end - def find_one(id) - if ActiveRecord::Base === id - id = id.id - ActiveSupport::Deprecation.warn(<<-MSG.squish) - You are passing an instance of ActiveRecord::Base to `find`. - Please pass the id of the object by calling `.id`. - MSG - end + def find_one(id) + if ActiveRecord::Base === id + raise ArgumentError, <<-MSG.squish + You are passing an instance of ActiveRecord::Base to `find`. + Please pass the id of the object by calling `.id`. + MSG + end - relation = where(primary_key => id) - record = relation.take + relation = where(primary_key => id) + record = relation.take - raise_record_not_found_exception!(id, 0, 1) unless record + raise_record_not_found_exception!(id, 0, 1) unless record - record - end + record + end - def find_some(ids) - return find_some_ordered(ids) unless order_values.present? + def find_some(ids) + return find_some_ordered(ids) unless order_values.present? - result = where(primary_key => ids).to_a + result = where(primary_key => ids).to_a - expected_size = - if limit_value && ids.size > limit_value - limit_value - else - ids.size - end + expected_size = + if limit_value && ids.size > limit_value + limit_value + else + ids.size + end - # 11 ids with limit 3, offset 9 should give 2 results. - if offset_value && (ids.size - offset_value < expected_size) - expected_size = ids.size - offset_value - end + # 11 ids with limit 3, offset 9 should give 2 results. + if offset_value && (ids.size - offset_value < expected_size) + expected_size = ids.size - offset_value + end - if result.size == expected_size - result - else - raise_record_not_found_exception!(ids, result.size, expected_size) + if result.size == expected_size + result + else + raise_record_not_found_exception!(ids, result.size, expected_size) + end end - end - def find_some_ordered(ids) - ids = ids.slice(offset_value || 0, limit_value || ids.size) || [] + def find_some_ordered(ids) + ids = ids.slice(offset_value || 0, limit_value || ids.size) || [] - result = except(:limit, :offset).where(primary_key => ids).records + result = except(:limit, :offset).where(primary_key => ids).records - if result.size == ids.size - pk_type = @klass.type_for_attribute(primary_key) + if result.size == ids.size + pk_type = @klass.type_for_attribute(primary_key) - records_by_id = result.index_by(&:id) - ids.map { |id| records_by_id.fetch(pk_type.cast(id)) } - else - raise_record_not_found_exception!(ids, result.size, ids.size) + records_by_id = result.index_by(&:id) + ids.map { |id| records_by_id.fetch(pk_type.cast(id)) } + else + raise_record_not_found_exception!(ids, result.size, ids.size) + end end - end - def find_take - if loaded? - records.first - else - @take ||= limit(1).records.first + def find_take + if loaded? + records.first + else + @take ||= limit(1).records.first + end end - end - def find_take_with_limit(limit) - if loaded? - records.take(limit) - else - limit(limit).to_a + def find_take_with_limit(limit) + if loaded? + records.take(limit) + else + limit(limit).to_a + end end - end - def find_nth(index) - @offsets[offset_index + index] ||= find_nth_with_limit(index, 1).first - end + def find_nth(index) + @offsets[offset_index + index] ||= find_nth_with_limit(index, 1).first + end - def find_nth_with_limit(index, limit) - if loaded? - records[index, limit] || [] - else - relation = if order_values.empty? && primary_key - order(arel_attribute(primary_key).asc) + def find_nth_with_limit(index, limit) + if loaded? + records[index, limit] || [] else - self + relation = if order_values.empty? && primary_key + order(arel_attribute(primary_key).asc) + else + self + end + + relation = relation.offset(offset_index + index) unless index.zero? + relation.limit(limit).to_a end - - relation = relation.offset(offset_index + index) unless index.zero? - relation.limit(limit).to_a end - end - def find_nth_from_last(index) - if loaded? - records[-index] - else - relation = if order_values.empty? && primary_key - order(arel_attribute(primary_key).asc) + def find_nth_from_last(index) + if loaded? + records[-index] else - self + relation = if order_values.empty? && primary_key + order(arel_attribute(primary_key).asc) + else + self + end + + relation.to_a[-index] + # TODO: can be made more performant on large result sets by + # for instance, last(index)[-index] (which would require + # refactoring the last(n) finder method to make test suite pass), + # or by using a combination of reverse_order, limit, and offset, + # e.g., reverse_order.offset(index-1).first end - - relation.to_a[-index] - # TODO: can be made more performant on large result sets by - # for instance, last(index)[-index] (which would require - # refactoring the last(n) finder method to make test suite pass), - # or by using a combination of reverse_order, limit, and offset, - # e.g., reverse_order.offset(index-1).first end - end - - private - def find_last(limit) - limit ? records.last(limit) : records.last - end + def find_last(limit) + limit ? records.last(limit) : records.last + end end end diff --git a/activerecord/lib/active_record/relation/predicate_builder.rb b/activerecord/lib/active_record/relation/predicate_builder.rb index 780a1ee422..18ae10a652 100644 --- a/activerecord/lib/active_record/relation/predicate_builder.rb +++ b/activerecord/lib/active_record/relation/predicate_builder.rb @@ -4,7 +4,6 @@ module ActiveRecord require "active_record/relation/predicate_builder/association_query_handler" require "active_record/relation/predicate_builder/base_handler" require "active_record/relation/predicate_builder/basic_object_handler" - require "active_record/relation/predicate_builder/class_handler" require "active_record/relation/predicate_builder/polymorphic_array_handler" require "active_record/relation/predicate_builder/range_handler" require "active_record/relation/predicate_builder/relation_handler" @@ -16,7 +15,6 @@ module ActiveRecord @handlers = [] register_handler(BasicObject, BasicObjectHandler.new) - register_handler(Class, ClassHandler.new(self)) register_handler(Base, BaseHandler.new(self)) register_handler(Range, RangeHandler.new) register_handler(RangeHandler::RangeWithBinds, RangeHandler.new) @@ -66,6 +64,8 @@ module ActiveRecord handler_for(value).call(attribute, value) end + # TODO Change this to private once we've dropped Ruby 2.2 support. + # Workaround for Ruby 2.2 "private attribute?" warning. protected attr_reader :table diff --git a/activerecord/lib/active_record/relation/predicate_builder/array_handler.rb b/activerecord/lib/active_record/relation/predicate_builder/array_handler.rb index 6400caba06..88b6c37d43 100644 --- a/activerecord/lib/active_record/relation/predicate_builder/array_handler.rb +++ b/activerecord/lib/active_record/relation/predicate_builder/array_handler.rb @@ -29,6 +29,8 @@ module ActiveRecord array_predicates.inject { |composite, predicate| composite.or(predicate) } end + # TODO Change this to private once we've dropped Ruby 2.2 support. + # Workaround for Ruby 2.2 "private attribute?" warning. protected attr_reader :predicate_builder diff --git a/activerecord/lib/active_record/relation/predicate_builder/association_query_handler.rb b/activerecord/lib/active_record/relation/predicate_builder/association_query_handler.rb index 7e20cb2c63..29860ec677 100644 --- a/activerecord/lib/active_record/relation/predicate_builder/association_query_handler.rb +++ b/activerecord/lib/active_record/relation/predicate_builder/association_query_handler.rb @@ -28,6 +28,8 @@ module ActiveRecord predicate_builder.build_from_hash(queries) end + # TODO Change this to private once we've dropped Ruby 2.2 support. + # Workaround for Ruby 2.2 "private attribute?" warning. protected attr_reader :predicate_builder @@ -68,9 +70,6 @@ module ActiveRecord case value when Relation value.klass.base_class - when Array - val = value.compact.first - val.class.base_class if val.is_a?(Base) when Base value.class.base_class end diff --git a/activerecord/lib/active_record/relation/predicate_builder/base_handler.rb b/activerecord/lib/active_record/relation/predicate_builder/base_handler.rb index 65c5159704..3bb1037885 100644 --- a/activerecord/lib/active_record/relation/predicate_builder/base_handler.rb +++ b/activerecord/lib/active_record/relation/predicate_builder/base_handler.rb @@ -9,6 +9,8 @@ module ActiveRecord predicate_builder.build(attribute, value.id) end + # TODO Change this to private once we've dropped Ruby 2.2 support. + # Workaround for Ruby 2.2 "private attribute?" warning. protected attr_reader :predicate_builder diff --git a/activerecord/lib/active_record/relation/predicate_builder/class_handler.rb b/activerecord/lib/active_record/relation/predicate_builder/class_handler.rb deleted file mode 100644 index 0a6574fcf1..0000000000 --- a/activerecord/lib/active_record/relation/predicate_builder/class_handler.rb +++ /dev/null @@ -1,27 +0,0 @@ -module ActiveRecord - class PredicateBuilder - class ClassHandler # :nodoc: - def initialize(predicate_builder) - @predicate_builder = predicate_builder - end - - def call(attribute, value) - print_deprecation_warning - predicate_builder.build(attribute, value.name) - end - - protected - - attr_reader :predicate_builder - - private - - def print_deprecation_warning - ActiveSupport::Deprecation.warn(<<-MSG.squish) - Passing a class as a value in an Active Record query is deprecated and - will be removed. Pass a string instead. - MSG - end - end - end -end diff --git a/activerecord/lib/active_record/relation/predicate_builder/polymorphic_array_handler.rb b/activerecord/lib/active_record/relation/predicate_builder/polymorphic_array_handler.rb index 0c7f92b3d0..335124c952 100644 --- a/activerecord/lib/active_record/relation/predicate_builder/polymorphic_array_handler.rb +++ b/activerecord/lib/active_record/relation/predicate_builder/polymorphic_array_handler.rb @@ -21,6 +21,8 @@ module ActiveRecord end end + # TODO Change this to private once we've dropped Ruby 2.2 support. + # Workaround for Ruby 2.2 "private attribute?" warning. protected attr_reader :predicate_builder diff --git a/activerecord/lib/active_record/relation/query_methods.rb b/activerecord/lib/active_record/relation/query_methods.rb index 78570140e5..8cad57200a 100644 --- a/activerecord/lib/active_record/relation/query_methods.rb +++ b/activerecord/lib/active_record/relation/query_methods.rb @@ -3,8 +3,6 @@ require "active_record/relation/query_attribute" require "active_record/relation/where_clause" require "active_record/relation/where_clause_factory" require "active_model/forbidden_attributes_protection" -require "active_support/core_ext/string/filters" -require "active_support/core_ext/regexp" module ActiveRecord module QueryMethods @@ -77,7 +75,7 @@ module ActiveRecord end def bound_attributes - if limit_value && !string_containing_comma?(limit_value) + if limit_value limit_bind = Attribute.with_cast_value( "LIMIT".freeze, connection.sanitize_limit(limit_value), @@ -242,7 +240,14 @@ module ActiveRecord # Model.select(:field).first.other_field # # => ActiveModel::MissingAttributeError: missing attribute: other_field def select(*fields) - return super if block_given? + if block_given? + if fields.any? + raise ArgumentError, "`select' with block doesn't take arguments." + end + + return super() + end + raise ArgumentError, "Call this with at least one field" if fields.empty? spawn._select!(*fields) end @@ -682,13 +687,6 @@ module ActiveRecord end def limit!(value) # :nodoc: - if string_containing_comma?(value) - # Remove `string_containing_comma?` when removing this deprecation - ActiveSupport::Deprecation.warn(<<-WARNING.squish) - Passing a string to limit in the form "1,2" is deprecated and will be - removed in Rails 5.1. Please call `offset` explicitly instead. - WARNING - end self.limit_value = value self end @@ -755,7 +753,7 @@ module ActiveRecord # end # def none - where("1=0").extending!(NullRelation) + spawn.none! end def none! # :nodoc: @@ -840,16 +838,12 @@ module ActiveRecord def distinct(value = true) spawn.distinct!(value) end - alias uniq distinct - deprecate uniq: :distinct # Like #distinct, but modifies relation in place. def distinct!(value = true) # :nodoc: self.distinct_value = value self end - alias uniq! distinct! - deprecate uniq!: :distinct! # Used to extend a scope with additional methods, either through # a module or through a block provided. @@ -950,13 +944,7 @@ module ActiveRecord arel.where(where_clause.ast) unless where_clause.empty? arel.having(having_clause.ast) unless having_clause.empty? - if limit_value - if string_containing_comma?(limit_value) - arel.take(connection.sanitize_limit(limit_value)) - else - arel.take(Arel::Nodes::BindParam.new) - end - end + arel.take(Arel::Nodes::BindParam.new) if limit_value arel.skip(Arel::Nodes::BindParam.new) if offset_value arel.group(*arel_columns(group_values.uniq.reject(&:blank?))) unless group_values.empty? @@ -1150,22 +1138,22 @@ module ActiveRecord end.flatten! end - # Checks to make sure that the arguments are not blank. Note that if some - # blank-like object were initially passed into the query method, then this - # method will not raise an error. - # - # Example: - # - # Post.references() # raises an error - # Post.references([]) # does not raise an error - # - # This particular method should be called with a method_name and the args - # passed into that method as an input. For example: - # - # def references(*args) - # check_if_method_has_arguments!("references", args) - # ... - # end + # Checks to make sure that the arguments are not blank. Note that if some + # blank-like object were initially passed into the query method, then this + # method will not raise an error. + # + # Example: + # + # Post.references() # raises an error + # Post.references([]) # does not raise an error + # + # This particular method should be called with a method_name and the args + # passed into that method as an input. For example: + # + # def references(*args) + # check_if_method_has_arguments!("references", args) + # ... + # end def check_if_method_has_arguments!(method_name, args) if args.blank? raise ArgumentError, "The method .#{method_name}() must contain arguments." @@ -1184,10 +1172,6 @@ module ActiveRecord end alias having_clause_factory where_clause_factory - def string_containing_comma?(value) - ::String === value && value.include?(",") - end - def default_value_for(name) case name when :create_with diff --git a/activerecord/lib/active_record/relation/record_fetch_warning.rb b/activerecord/lib/active_record/relation/record_fetch_warning.rb index dbd08811fa..31544c730e 100644 --- a/activerecord/lib/active_record/relation/record_fetch_warning.rb +++ b/activerecord/lib/active_record/relation/record_fetch_warning.rb @@ -2,15 +2,15 @@ module ActiveRecord class Relation module RecordFetchWarning # When this module is prepended to ActiveRecord::Relation and - # `config.active_record.warn_on_records_fetched_greater_than` is + # +config.active_record.warn_on_records_fetched_greater_than+ is # set to an integer, if the number of records a query returns is - # greater than the value of `warn_on_records_fetched_greater_than`, + # greater than the value of +warn_on_records_fetched_greater_than+, # a warning is logged. This allows for the detection of queries that # return a large number of records, which could cause memory bloat. # # In most cases, fetching large number of records can be performed # efficiently using the ActiveRecord::Batches methods. - # See active_record/lib/relation/batches.rb for more information. + # See ActiveRecord::Batches for more information. def exec_queries QueryRegistry.reset diff --git a/activerecord/lib/active_record/relation/spawn_methods.rb b/activerecord/lib/active_record/relation/spawn_methods.rb index 190e339ea8..ada89b5ec3 100644 --- a/activerecord/lib/active_record/relation/spawn_methods.rb +++ b/activerecord/lib/active_record/relation/spawn_methods.rb @@ -66,7 +66,7 @@ module ActiveRecord private - def relation_with(values) # :nodoc: + def relation_with(values) result = Relation.create(klass, table, predicate_builder, values) result.extend(*extending_values) if extending_values.any? result diff --git a/activerecord/lib/active_record/relation/where_clause.rb b/activerecord/lib/active_record/relation/where_clause.rb index 402f8acfd1..ef0d059d1c 100644 --- a/activerecord/lib/active_record/relation/where_clause.rb +++ b/activerecord/lib/active_record/relation/where_clause.rb @@ -84,6 +84,8 @@ module ActiveRecord @empty ||= new([], []) end + # TODO Change this to private once we've dropped Ruby 2.2 support. + # Workaround for Ruby 2.2 "private attribute?" warning. protected attr_reader :predicates diff --git a/activerecord/lib/active_record/relation/where_clause_factory.rb b/activerecord/lib/active_record/relation/where_clause_factory.rb index dc00149130..737bc278bd 100644 --- a/activerecord/lib/active_record/relation/where_clause_factory.rb +++ b/activerecord/lib/active_record/relation/where_clause_factory.rb @@ -7,8 +7,6 @@ module ActiveRecord end def build(opts, other) - binds = [] - case opts when String, Array parts = [klass.send(:sanitize_sql, other.empty? ? opts : ([opts] + other))] @@ -26,9 +24,11 @@ module ActiveRecord raise ArgumentError, "Unsupported argument type: #{opts} (#{opts.class})" end - WhereClause.new(parts, binds) + WhereClause.new(parts, binds || []) end + # TODO Change this to private once we've dropped Ruby 2.2 support. + # Workaround for Ruby 2.2 "private attribute?" warning. protected attr_reader :klass, :predicate_builder |