github-mirror/discourse
2
0
Fork 0
mirror of https://github.com/discourse/discourse.git synced 2025-05-30 07:11:34 +08:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

PERF: add a filtered index for banners

Browse Source 
This ensures we can very quickly figure out which topics are banners if
a banner is set.

Previously you would have to scan an entire table to find banners
This commit is contained in:
Sam Saffron
2019-11-01 11:21:57 +11:00
parent f753643cb1
commit 70c6831125
3 changed files with 9 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
app/models/topic.rb
View File

@ -1544,6 +1544,7 @@ end
# index_topics_on_bumped_at (bumped_at)
# index_topics_on_created_at_and_visible (created_at,visible) WHERE ((deleted_at IS NULL) AND ((archetype)::text <> 'private_message'::text))
# index_topics_on_id_and_deleted_at (id,deleted_at)
# index_topics_on_id_filtered_banner (id) UNIQUE WHERE (((archetype)::text = 'banner'::text) AND (deleted_at IS NULL))
# index_topics_on_lower_title (lower((title)::text))
# index_topics_on_pinned_at (pinned_at) WHERE (pinned_at IS NOT NULL)
# index_topics_on_pinned_globally (pinned_globally) WHERE pinned_globally