diff options
Diffstat (limited to 'activerecord/lib/active_record/relation')
9 files changed, 58 insertions, 60 deletions
diff --git a/activerecord/lib/active_record/relation/batches.rb b/activerecord/lib/active_record/relation/batches.rb index 13a2c3f511..c7e4f8a88a 100644 --- a/activerecord/lib/active_record/relation/batches.rb +++ b/activerecord/lib/active_record/relation/batches.rb @@ -1,4 +1,4 @@ -require "active_record/relation/batches/batch_enumerator" +require_relative "batches/batch_enumerator" module ActiveRecord module Batches @@ -209,6 +209,7 @@ module ActiveRecord relation = relation.reorder(batch_order).limit(batch_limit) relation = apply_limits(relation, start, finish) + relation.skip_query_cache! # Retaining the results in the query cache would undermine the point of batching batch_relation = relation loop do diff --git a/activerecord/lib/active_record/relation/calculations.rb b/activerecord/lib/active_record/relation/calculations.rb index c562f214c9..aaba6c71f2 100644 --- a/activerecord/lib/active_record/relation/calculations.rb +++ b/activerecord/lib/active_record/relation/calculations.rb @@ -41,7 +41,7 @@ module ActiveRecord unless column_name.nil? ActiveSupport::Deprecation.warn \ "When `count' is called with a block, it ignores other arguments. " \ - "This behavior is now deprecated and will result in an ArgumentError in Rails 5.3." + "This behavior is now deprecated and will result in an ArgumentError in Rails 6.0." end return super() @@ -86,7 +86,7 @@ module ActiveRecord unless column_name.nil? ActiveSupport::Deprecation.warn \ "When `sum' is called with a block, it ignores other arguments. " \ - "This behavior is now deprecated and will result in an ArgumentError in Rails 5.3." + "This behavior is now deprecated and will result in an ArgumentError in Rails 6.0." end return super() @@ -184,7 +184,7 @@ module ActiveRecord relation.select_values = column_names.map { |cn| @klass.has_attribute?(cn) || @klass.attribute_alias?(cn) ? arel_attribute(cn) : cn } - result = klass.connection.select_all(relation.arel, nil, bound_attributes) + result = skip_query_cache_if_necessary { klass.connection.select_all(relation.arel, nil, bound_attributes) } result.cast_values(klass.attribute_types) end end @@ -260,7 +260,7 @@ module ActiveRecord query_builder = relation.arel end - result = @klass.connection.select_all(query_builder, nil, bound_attributes) + result = skip_query_cache_if_necessary { @klass.connection.select_all(query_builder, nil, bound_attributes) } row = result.first value = row && row.values.first type = result.column_types.fetch(column_alias) do @@ -311,7 +311,7 @@ module ActiveRecord relation.group_values = group_fields relation.select_values = select_values - calculated_data = @klass.connection.select_all(relation, nil, relation.bound_attributes) + calculated_data = skip_query_cache_if_necessary { @klass.connection.select_all(relation.arel, nil, relation.bound_attributes) } if association key_ids = calculated_data.collect { |row| row[group_aliases.first] } diff --git a/activerecord/lib/active_record/relation/delegation.rb b/activerecord/lib/active_record/relation/delegation.rb index dada0fddf8..48c4dcdef4 100644 --- a/activerecord/lib/active_record/relation/delegation.rb +++ b/activerecord/lib/active_record/relation/delegation.rb @@ -44,8 +44,6 @@ module ActiveRecord delegate :table_name, :quoted_table_name, :primary_key, :quoted_primary_key, :connection, :columns_hash, to: :klass - delegate :ast, :locked, to: :arel - module ClassSpecificRelation # :nodoc: extend ActiveSupport::Concern @@ -91,6 +89,8 @@ module ActiveRecord self.class.delegate_to_scoped_klass(method) scoping { @klass.public_send(method, *args, &block) } elsif arel.respond_to?(method) + ActiveSupport::Deprecation.warn \ + "Delegating #{method} to arel is deprecated and will be removed in Rails 6.0." self.class.delegate method, to: :arel arel.public_send(method, *args, &block) else @@ -115,15 +115,5 @@ module ActiveRecord def respond_to_missing?(method, _) super || @klass.respond_to?(method) || arel.respond_to?(method) end - - def method_missing(method, *args, &block) - if @klass.respond_to?(method) - scoping { @klass.public_send(method, *args, &block) } - elsif arel.respond_to?(method) - arel.public_send(method, *args, &block) - else - super - end - end end end diff --git a/activerecord/lib/active_record/relation/finder_methods.rb b/activerecord/lib/active_record/relation/finder_methods.rb index 1d661fa8ed..ac0b4f597e 100644 --- a/activerecord/lib/active_record/relation/finder_methods.rb +++ b/activerecord/lib/active_record/relation/finder_methods.rb @@ -147,8 +147,7 @@ module ActiveRecord def last(limit = nil) return find_last(limit) if loaded? || limit_value - result = limit(limit) - result.order!(arel_attribute(primary_key)) if order_values.empty? && primary_key + result = ordered_relation.limit(limit) result = result.reverse_order! limit ? result.reverse : result.first @@ -316,7 +315,7 @@ module ActiveRecord relation = construct_relation_for_exists(relation, conditions) - connection.select_value(relation, "#{name} Exists", relation.bound_attributes) ? true : false + skip_query_cache_if_necessary { connection.select_value(relation.arel, "#{name} Exists", relation.bound_attributes) } ? true : false rescue ::RangeError false end @@ -335,14 +334,14 @@ module ActiveRecord name = @klass.name if ids.nil? - error = "Couldn't find #{name}" + error = "Couldn't find #{name}".dup error << " with#{conditions}" if conditions raise RecordNotFound.new(error, name) elsif Array(ids).size == 1 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 '#{key}': " + error = "Couldn't find all #{name.pluralize} with '#{key}': ".dup error << "(#{ids.join(", ")})#{conditions} (found #{result_size} results, but was looking for #{expected_size})" raise RecordNotFound.new(error, name, primary_key, ids) @@ -377,8 +376,7 @@ module ActiveRecord if ActiveRecord::NullRelation === relation [] else - arel = relation.arel - rows = connection.select_all(arel, "SQL", relation.bound_attributes) + rows = skip_query_cache_if_necessary { connection.select_all(relation.arel, "SQL", relation.bound_attributes) } join_dependency.instantiate(rows, aliases) end end @@ -425,9 +423,8 @@ module ActiveRecord "#{quoted_table_name}.#{quoted_primary_key}", relation.order_values) relation = relation.except(:select).select(values).distinct! - arel = relation.arel - id_rows = @klass.connection.select_all(arel, "SQL", relation.bound_attributes) + id_rows = skip_query_cache_if_necessary { @klass.connection.select_all(relation.arel, "SQL", relation.bound_attributes) } id_rows.map { |row| row[primary_key] } end @@ -535,11 +532,7 @@ module ActiveRecord if loaded? records[index, limit] || [] else - relation = if order_values.empty? && primary_key - order(arel_attribute(primary_key).asc) - else - self - end + relation = ordered_relation if limit_value.nil? || index < limit_value relation = relation.offset(offset_index + index) unless index.zero? @@ -554,11 +547,7 @@ module ActiveRecord if loaded? records[-index] else - relation = if order_values.empty? && primary_key - order(arel_attribute(primary_key).asc) - else - self - end + relation = ordered_relation relation.to_a[-index] # TODO: can be made more performant on large result sets by @@ -572,5 +561,13 @@ module ActiveRecord def find_last(limit) limit ? records.last(limit) : records.last end + + def ordered_relation + if order_values.empty? && primary_key + order(arel_attribute(primary_key).asc) + else + self + end + end end end diff --git a/activerecord/lib/active_record/relation/predicate_builder.rb b/activerecord/lib/active_record/relation/predicate_builder.rb index a6309e0b5c..eb80c9a00d 100644 --- a/activerecord/lib/active_record/relation/predicate_builder.rb +++ b/activerecord/lib/active_record/relation/predicate_builder.rb @@ -107,21 +107,26 @@ module ActiveRecord first = value.begin last = value.end unless first.respond_to?(:infinite?) && first.infinite? - binds << build_bind_param(column_name, first) + binds << build_bind_attribute(column_name, first) first = Arel::Nodes::BindParam.new end unless last.respond_to?(:infinite?) && last.infinite? - binds << build_bind_param(column_name, last) + binds << build_bind_attribute(column_name, last) last = Arel::Nodes::BindParam.new end result[column_name] = RangeHandler::RangeWithBinds.new(first, last, value.exclude_end?) + when value.is_a?(Relation) + binds.concat(value.bound_attributes) else if can_be_bound?(column_name, value) - result[column_name] = Arel::Nodes::BindParam.new - binds << build_bind_param(column_name, value) - elsif value.is_a?(Relation) - binds.concat(value.bound_attributes) + bind_attribute = build_bind_attribute(column_name, value) + if value.is_a?(StatementCache::Substitute) || !bind_attribute.value_for_database.nil? + result[column_name] = Arel::Nodes::BindParam.new + binds << bind_attribute + else + result[column_name] = nil + end end end end @@ -164,17 +169,17 @@ module ActiveRecord end end - def build_bind_param(column_name, value) + def build_bind_attribute(column_name, value) Relation::QueryAttribute.new(column_name.to_s, value, table.type(column_name)) end end end -require "active_record/relation/predicate_builder/array_handler" -require "active_record/relation/predicate_builder/base_handler" -require "active_record/relation/predicate_builder/basic_object_handler" -require "active_record/relation/predicate_builder/range_handler" -require "active_record/relation/predicate_builder/relation_handler" +require_relative "predicate_builder/array_handler" +require_relative "predicate_builder/base_handler" +require_relative "predicate_builder/basic_object_handler" +require_relative "predicate_builder/range_handler" +require_relative "predicate_builder/relation_handler" -require "active_record/relation/predicate_builder/association_query_value" -require "active_record/relation/predicate_builder/polymorphic_array_value" +require_relative "predicate_builder/association_query_value" +require_relative "predicate_builder/polymorphic_array_value" diff --git a/activerecord/lib/active_record/relation/query_attribute.rb b/activerecord/lib/active_record/relation/query_attribute.rb index a68e508fcc..0e1f64775d 100644 --- a/activerecord/lib/active_record/relation/query_attribute.rb +++ b/activerecord/lib/active_record/relation/query_attribute.rb @@ -1,4 +1,4 @@ -require "active_record/attribute" +require_relative "../attribute" module ActiveRecord class Relation diff --git a/activerecord/lib/active_record/relation/query_methods.rb b/activerecord/lib/active_record/relation/query_methods.rb index 79e65baae5..79495ead91 100644 --- a/activerecord/lib/active_record/relation/query_methods.rb +++ b/activerecord/lib/active_record/relation/query_methods.rb @@ -1,7 +1,7 @@ -require "active_record/relation/from_clause" -require "active_record/relation/query_attribute" -require "active_record/relation/where_clause" -require "active_record/relation/where_clause_factory" +require_relative "from_clause" +require_relative "query_attribute" +require_relative "where_clause" +require_relative "where_clause_factory" require "active_model/forbidden_attributes_protection" module ActiveRecord @@ -913,6 +913,11 @@ module ActiveRecord self end + def skip_query_cache! # :nodoc: + self.skip_query_cache_value = true + self + end + # Returns the Arel object associated with the relation. def arel # :nodoc: @arel ||= build_arel @@ -1122,7 +1127,7 @@ module ActiveRecord validate_order_args(order_args) references = order_args.grep(String) - references.map! { |arg| arg =~ /^([a-zA-Z]\w*)\.(\w+)/ && $1 }.compact! + references.map! { |arg| arg =~ /^\W?(\w+)\W?\./ && $1 }.compact! references!(references) if references.any? # if a symbol is given we prepend the quoted table name @@ -1167,7 +1172,7 @@ module ActiveRecord end end - STRUCTURAL_OR_METHODS = Relation::VALUE_METHODS - [:extending, :where, :having] + STRUCTURAL_OR_METHODS = Relation::VALUE_METHODS - [:extending, :where, :having, :unscope] def structurally_incompatible_values_for_or(other) STRUCTURAL_OR_METHODS.reject do |method| get_value(method) == other.get_value(method) diff --git a/activerecord/lib/active_record/relation/spawn_methods.rb b/activerecord/lib/active_record/relation/spawn_methods.rb index ada89b5ec3..ddf7f825c1 100644 --- a/activerecord/lib/active_record/relation/spawn_methods.rb +++ b/activerecord/lib/active_record/relation/spawn_methods.rb @@ -1,6 +1,6 @@ require "active_support/core_ext/hash/except" require "active_support/core_ext/hash/slice" -require "active_record/relation/merger" +require_relative "merger" module ActiveRecord module SpawnMethods diff --git a/activerecord/lib/active_record/relation/where_clause_factory.rb b/activerecord/lib/active_record/relation/where_clause_factory.rb index 04bee73e8f..b862dd56a5 100644 --- a/activerecord/lib/active_record/relation/where_clause_factory.rb +++ b/activerecord/lib/active_record/relation/where_clause_factory.rb @@ -57,7 +57,7 @@ module ActiveRecord else column = klass.column_for_attribute(attribute) - binds << predicate_builder.send(:build_bind_param, attribute, value) + binds << predicate_builder.send(:build_bind_attribute, attribute, value) value = Arel::Nodes::BindParam.new predicate = if options[:case_sensitive] |