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-rw-r--r--activerecord/lib/active_record/associations/builder/belongs_to.rb2
-rw-r--r--activerecord/lib/active_record/associations/builder/has_and_belongs_to_many.rb2
-rw-r--r--activerecord/lib/active_record/associations/preloader.rb13
-rw-r--r--activerecord/lib/active_record/associations/preloader/association.rb29
4 files changed, 34 insertions, 12 deletions
diff --git a/activerecord/lib/active_record/associations/builder/belongs_to.rb b/activerecord/lib/active_record/associations/builder/belongs_to.rb
index 47cc1f4b34..3998aca23e 100644
--- a/activerecord/lib/active_record/associations/builder/belongs_to.rb
+++ b/activerecord/lib/active_record/associations/builder/belongs_to.rb
@@ -103,7 +103,7 @@ module ActiveRecord::Associations::Builder
BelongsTo.touch_record(record, foreign_key, n, touch)
}
- model.after_save callback
+ model.after_save callback, if: :changed?
model.after_touch callback
model.after_destroy callback
end
diff --git a/activerecord/lib/active_record/associations/builder/has_and_belongs_to_many.rb b/activerecord/lib/active_record/associations/builder/has_and_belongs_to_many.rb
index 44486ad758..30b11c01eb 100644
--- a/activerecord/lib/active_record/associations/builder/has_and_belongs_to_many.rb
+++ b/activerecord/lib/active_record/associations/builder/has_and_belongs_to_many.rb
@@ -11,7 +11,7 @@ module ActiveRecord::Associations::Builder
end
def join_table
- @join_table ||= [@lhs_class.table_name, klass.table_name].sort.join("\0").gsub(/^(.*_)(.+)\0\1(.+)/, '\1\2_\3').gsub("\0", "_")
+ @join_table ||= [@lhs_class.table_name, klass.table_name].sort.join("\0").gsub(/^(.*[._])(.+)\0\1(.+)/, '\1\2_\3').gsub("\0", "_")
end
private
diff --git a/activerecord/lib/active_record/associations/preloader.rb b/activerecord/lib/active_record/associations/preloader.rb
index 20bd4947dc..42571d6af0 100644
--- a/activerecord/lib/active_record/associations/preloader.rb
+++ b/activerecord/lib/active_record/associations/preloader.rb
@@ -112,13 +112,14 @@ module ActiveRecord
end
def preloaders_for_hash(association, records, scope)
- parent, child = association.to_a.first # hash should only be of length 1
+ association.flat_map { |parent, child|
+ loaders = preloaders_for_one parent, records, scope
- loaders = preloaders_for_one parent, records, scope
-
- recs = loaders.flat_map(&:preloaded_records).uniq
- loaders.concat Array.wrap(child).flat_map { |assoc|
- preloaders_on assoc, recs, scope
+ recs = loaders.flat_map(&:preloaded_records).uniq
+ loaders.concat Array.wrap(child).flat_map { |assoc|
+ preloaders_on assoc, recs, scope
+ }
+ loaders
}
end
diff --git a/activerecord/lib/active_record/associations/preloader/association.rb b/activerecord/lib/active_record/associations/preloader/association.rb
index bf461070e0..63773bd5e1 100644
--- a/activerecord/lib/active_record/associations/preloader/association.rb
+++ b/activerecord/lib/active_record/associations/preloader/association.rb
@@ -57,9 +57,15 @@ module ActiveRecord
end
def owners_by_key
- @owners_by_key ||= owners.group_by do |owner|
- owner[owner_key_name]
- end
+ @owners_by_key ||= if key_conversion_required?
+ owners.group_by do |owner|
+ owner[owner_key_name].to_s
+ end
+ else
+ owners.group_by do |owner|
+ owner[owner_key_name]
+ end
+ end
end
def options
@@ -93,13 +99,28 @@ module ActiveRecord
records_by_owner
end
+ def key_conversion_required?
+ association_key_type != owner_key_type
+ end
+
+ def association_key_type
+ @klass.column_types[association_key_name.to_s].type
+ end
+
+ def owner_key_type
+ @model.column_types[owner_key_name.to_s].type
+ end
+
def load_slices(slices)
@preloaded_records = slices.flat_map { |slice|
records_for(slice)
}
@preloaded_records.map { |record|
- [record, record[association_key_name]]
+ key = record[association_key_name]
+ key = key.to_s if key_conversion_required?
+
+ [record, key]
}
end