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-rw-r--r--activerecord/lib/active_record/associations/has_many_through_association.rb5
-rw-r--r--activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb4
2 files changed, 6 insertions, 3 deletions
diff --git a/activerecord/lib/active_record/associations/has_many_through_association.rb b/activerecord/lib/active_record/associations/has_many_through_association.rb
index 1f264d325a..8c90aea975 100644
--- a/activerecord/lib/active_record/associations/has_many_through_association.rb
+++ b/activerecord/lib/active_record/associations/has_many_through_association.rb
@@ -86,7 +86,10 @@ module ActiveRecord
end
def save_through_record(record)
- build_through_record(record).save!
+ association = build_through_record(record)
+ if association.changed?
+ association.save!
+ end
ensure
@through_records.delete(record.object_id)
end
diff --git a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
index bd73668359..a473c5d67d 100644
--- a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
@@ -214,9 +214,9 @@ module ActiveRecord
stmt.bind_params(type_casted_binds)
records = stmt.to_a
end
- end
- ActiveRecord::Result.new(cols, records)
+ ActiveRecord::Result.new(cols, records)
+ end
end
end