diff options
Diffstat (limited to 'activerecord/lib/active_record/relation')
5 files changed, 33 insertions, 23 deletions
diff --git a/activerecord/lib/active_record/relation/calculations.rb b/activerecord/lib/active_record/relation/calculations.rb index 56cf9bcd27..d155517b18 100644 --- a/activerecord/lib/active_record/relation/calculations.rb +++ b/activerecord/lib/active_record/relation/calculations.rb @@ -277,7 +277,7 @@ module ActiveRecord group_attrs = group_values if group_attrs.first.respond_to?(:to_sym) - association = @klass.reflect_on_association(group_attrs.first.to_sym) + association = @klass._reflect_on_association(group_attrs.first.to_sym) associated = group_attrs.size == 1 && association && association.macro == :belongs_to # only count belongs_to associations group_fields = Array(associated ? association.foreign_key : group_attrs) else diff --git a/activerecord/lib/active_record/relation/finder_methods.rb b/activerecord/lib/active_record/relation/finder_methods.rb index db32ae12a8..47e90e9021 100644 --- a/activerecord/lib/active_record/relation/finder_methods.rb +++ b/activerecord/lib/active_record/relation/finder_methods.rb @@ -336,7 +336,16 @@ module ActiveRecord end def find_with_associations - join_dependency = construct_join_dependency + # NOTE: the JoinDependency constructed here needs to know about + # any joins already present in `self`, so pass them in + # + # failing to do so means that in cases like activerecord/test/cases/associations/inner_join_association_test.rb:136 + # incorrect SQL is generated. In that case, the join dependency for + # SpecialCategorizations is constructed without knowledge of the + # preexisting join in joins_values to categorizations (by way of + # the `has_many :through` for categories). + # + join_dependency = construct_join_dependency(joins_values) aliases = join_dependency.aliases relation = select aliases.columns diff --git a/activerecord/lib/active_record/relation/predicate_builder.rb b/activerecord/lib/active_record/relation/predicate_builder.rb index d40f276968..eff5c8f09c 100644 --- a/activerecord/lib/active_record/relation/predicate_builder.rb +++ b/activerecord/lib/active_record/relation/predicate_builder.rb @@ -26,7 +26,7 @@ module ActiveRecord queries << '1=0' else table = Arel::Table.new(column, default_table.engine) - association = klass.reflect_on_association(column.to_sym) + association = klass._reflect_on_association(column.to_sym) value.each do |k, v| queries.concat expand(association && association.klass, table, k, v) @@ -55,7 +55,7 @@ module ActiveRecord # # For polymorphic relationships, find the foreign key and type: # PriceEstimate.where(estimate_of: treasure) - if klass && reflection = klass.reflect_on_association(column.to_sym) + if klass && reflection = klass._reflect_on_association(column.to_sym) if reflection.polymorphic? && base_class = polymorphic_base_class_from_value(value) queries << build(table[reflection.foreign_type], base_class) end 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 2f6c34ac08..78dba8be06 100644 --- a/activerecord/lib/active_record/relation/predicate_builder/array_handler.rb +++ b/activerecord/lib/active_record/relation/predicate_builder/array_handler.rb @@ -2,28 +2,33 @@ module ActiveRecord class PredicateBuilder class ArrayHandler # :nodoc: def call(attribute, value) + return attribute.in([]) if value.empty? + values = value.map { |x| x.is_a?(Base) ? x.id : x } ranges, values = values.partition { |v| v.is_a?(Range) } + nils, values = values.partition(&:nil?) - values_predicate = if values.include?(nil) - values = values.compact - + values_predicate = case values.length - when 0 - attribute.eq(nil) - when 1 - attribute.eq(values.first).or(attribute.eq(nil)) - else - attribute.in(values).or(attribute.eq(nil)) + when 0 then NullPredicate + when 1 then attribute.eq(values.first) + else attribute.in(values) end - else - attribute.in(values) + + unless nils.empty? + values_predicate = values_predicate.or(attribute.eq(nil)) end array_predicates = ranges.map { |range| attribute.in(range) } array_predicates << values_predicate array_predicates.inject { |composite, predicate| composite.or(predicate) } end + + module NullPredicate + def self.or(other) + other + end + end end end end diff --git a/activerecord/lib/active_record/relation/query_methods.rb b/activerecord/lib/active_record/relation/query_methods.rb index a607e9ac87..1262b2c291 100644 --- a/activerecord/lib/active_record/relation/query_methods.rb +++ b/activerecord/lib/active_record/relation/query_methods.rb @@ -573,15 +573,11 @@ WARNING end end - def where!(opts = :chain, *rest) # :nodoc: - if opts == :chain - WhereChain.new(self) - else - references!(PredicateBuilder.references(opts)) if Hash === opts + def where!(opts, *rest) # :nodoc: + references!(PredicateBuilder.references(opts)) if Hash === opts - self.where_values += build_where(opts, rest) - self - end + self.where_values += build_where(opts, rest) + self end # Allows you to change a previously set where condition for a given attribute, instead of appending to that condition. |