diff options
-rw-r--r-- | spec/models/xapian_spec.rb | 31 | ||||
-rw-r--r-- | vendor/plugins/acts_as_xapian/lib/acts_as_xapian.rb | 43 |
2 files changed, 54 insertions, 20 deletions
diff --git a/spec/models/xapian_spec.rb b/spec/models/xapian_spec.rb index 7aab9cdc6..c7c21e3a0 100644 --- a/spec/models/xapian_spec.rb +++ b/spec/models/xapian_spec.rb @@ -400,3 +400,34 @@ describe ActsAsXapian::Search, "#words_to_highlight" do end end + +describe InfoRequestEvent, " when faced with a race condition during xapian_mark_needs_index" do + + before(:each) do + load_raw_emails_data + get_fixtures_xapian_index + # Use the before create job hook to simulate a race condition with another process + # by creating an acts_as_xapian_job record for the same model + class InfoRequestEvent + def xapian_before_create_job_hook(action, model, model_id) + ActsAsXapian::ActsAsXapianJob.create!(:model => model, + :model_id => model_id, + :action => action) + end + end + end + + after(:each) do + # Reset the before create job hook + class InfoRequestEvent + def xapian_before_create_job_hook(action, model, model_id) + end + end + end + + it 'should not raise an error but should fail silently' do + ir = info_requests(:naughty_chicken_request) + ir.reindex_request_events + end + +end diff --git a/vendor/plugins/acts_as_xapian/lib/acts_as_xapian.rb b/vendor/plugins/acts_as_xapian/lib/acts_as_xapian.rb index f2cd1075c..fcf7a778d 100644 --- a/vendor/plugins/acts_as_xapian/lib/acts_as_xapian.rb +++ b/vendor/plugins/acts_as_xapian/lib/acts_as_xapian.rb @@ -913,16 +913,11 @@ module ActsAsXapian # Used to mark changes needed by batch indexer def xapian_mark_needs_index - model = self.class.base_class.to_s - model_id = self.id - ActiveRecord::Base.transaction do - found = ActsAsXapianJob.delete_all([ "model = ? and model_id = ?", model, model_id]) - job = ActsAsXapianJob.new - job.model = model - job.model_id = model_id - job.action = 'update' - job.save! - end + xapian_create_job('update', self.class.base_class.to_s, self.id) + end + + def xapian_mark_needs_destroy + xapian_create_job('destroy', self.class.base_class.to_s, self.id) end # Allow reindexing to be skipped if a flag is set @@ -931,18 +926,26 @@ module ActsAsXapian xapian_mark_needs_index end - def xapian_mark_needs_destroy - model = self.class.base_class.to_s - model_id = self.id - ActiveRecord::Base.transaction do - found = ActsAsXapianJob.delete_all([ "model = ? and model_id = ?", model, model_id]) - job = ActsAsXapianJob.new - job.model = model - job.model_id = model_id - job.action = 'destroy' - job.save! + def xapian_create_job(action, model, model_id) + begin + ActiveRecord::Base.transaction do + ActsAsXapianJob.delete_all([ "model = ? and model_id = ?", model, model_id]) + xapian_before_create_job_hook(action, model, model_id) + ActsAsXapianJob.create!(:model => model, + :model_id => model_id, + :action => action) + end + rescue ActiveRecord::RecordNotUnique => e + # Given the error handling in ActsAsXapian::update_index, we can just fail silently if + # another process has inserted an acts_as_xapian_jobs record for this model. + raise unless (e.message =~ /duplicate key value violates unique constraint "index_acts_as_xapian_jobs_on_model_and_model_id"/) end end + + # A hook method that can be used in tests to simulate e.g. an external process inserting a record + def xapian_before_create_job_hook(action, model, model_id) + end + end ###################################################################### |