gunghogeoduck/osem-fcy
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Break up the one-query-of-doom

Browse source 
The single query was producing a tremendously large ActiveRecord allocation.

While this isn't nearly as cool as one query, it's still a significant
reduction in SQL trips, and now has the bonus of only loading what is
actually going to be displayed.
This commit is contained in:
James Mason 2017-12-21 19:06:36 -08:00
parent 754d201b01
commit fa55224163
26 changed files with 181 additions and 165 deletions
Download patch file Download diff file Expand all files Collapse all files

1
app/models/conference.rb
View file

@ -46,7 +46,6 @@ class Conference < ApplicationRecord
has_many :campaigns, dependent: :destroy
has_many :commercials, as: :commercialable, dependent: :destroy
has_many :subscriptions, dependent: :destroy
has_one :call_for_sponsors, -> { where(cfp_type: 'sponsors') }, through: :program, source: :cfps
has_one :call_for_events, -> { where(cfp_type: 'events') }, through: :program, source: :cfps
has_one :call_for_booths, -> { where(cfp_type: 'booths') }, through: :program, source: :cfps
has_one :call_for_tracks, -> { where(cfp_type: 'tracks') }, through: :program, source: :cfps