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-rw-r--r--activerecord/lib/active_record/associations/collection_association.rb31
1 files changed, 19 insertions, 12 deletions
diff --git a/activerecord/lib/active_record/associations/collection_association.rb b/activerecord/lib/active_record/associations/collection_association.rb
index 6caadb4ce8..473b80a658 100644
--- a/activerecord/lib/active_record/associations/collection_association.rb
+++ b/activerecord/lib/active_record/associations/collection_association.rb
@@ -28,6 +28,12 @@ module ActiveRecord
# Implements the reader method, e.g. foo.items for Foo.has_many :items
def reader(force_reload = false)
if force_reload
+ ActiveSupport::Deprecation.warn(<<-MSG.squish)
+ Passing an argument to force an association to reload is now
+ deprecated and will be removed in Rails 5.1. Please call `reload`
+ on the result collection proxy instead.
+ MSG
+
klass.uncached { reload }
elsif stale_target?
reload
@@ -54,8 +60,10 @@ module ActiveRecord
record.send(reflection.association_primary_key)
end
else
- column = "#{reflection.quoted_table_name}.#{reflection.association_primary_key}"
- scope.pluck(column)
+ @association_ids ||= (
+ column = "#{reflection.quoted_table_name}.#{reflection.association_primary_key}"
+ scope.pluck(column)
+ )
end
end
@@ -406,12 +414,16 @@ module ActiveRecord
def replace_on_target(record, index, skip_callbacks)
callback(:before_add, record) unless skip_callbacks
+
+ was_loaded = loaded?
yield(record) if block_given?
- if index
- @target[index] = record
- else
- @target << record
+ unless !was_loaded && loaded?
+ if index
+ @target[index] = record
+ else
+ @target << record
+ end
end
callback(:after_add, record) unless skip_callbacks
@@ -432,12 +444,7 @@ module ActiveRecord
private
def get_records
- if reflection.scope_chain.any?(&:any?) ||
- scope.eager_loading? ||
- klass.scope_attributes?
-
- return scope.to_a
- end
+ return scope.to_a if skip_statement_cache?
conn = klass.connection
sc = reflection.association_scope_cache(conn, owner) do