diff --git a/migrations/2023-01-17-165819_cleanup_post_aggregates_indexes/down.sql b/migrations/2023-01-17-165819_cleanup_post_aggregates_indexes/down.sql new file mode 100644 index 000000000..d91843e19 --- /dev/null +++ b/migrations/2023-01-17-165819_cleanup_post_aggregates_indexes/down.sql @@ -0,0 +1,22 @@ +-- Drop the new indexes +drop index idx_post_aggregates_featured_local_newest_comment_time, + idx_post_aggregates_featured_community_newest_comment_time, + idx_post_aggregates_featured_local_comments, + idx_post_aggregates_featured_community_comments, + idx_post_aggregates_featured_local_hot, + idx_post_aggregates_featured_community_hot, + idx_post_aggregates_featured_local_active, + idx_post_aggregates_featured_community_active, + idx_post_aggregates_featured_local_score, + idx_post_aggregates_featured_community_score, + idx_post_aggregates_featured_local_published, + idx_post_aggregates_featured_community_published; + +-- Create the old indexes +create index idx_post_aggregates_newest_comment_time on post_aggregates (newest_comment_time desc); +create index idx_post_aggregates_comments on post_aggregates (comments desc); +create index idx_post_aggregates_hot on post_aggregates (hot_rank(score, published) desc, published desc); +create index idx_post_aggregates_active on post_aggregates (hot_rank(score, newest_comment_time) desc, newest_comment_time desc); +create index idx_post_aggregates_score on post_aggregates (score desc); +create index idx_post_aggregates_published on post_aggregates (published desc); + diff --git a/migrations/2023-01-17-165819_cleanup_post_aggregates_indexes/up.sql b/migrations/2023-01-17-165819_cleanup_post_aggregates_indexes/up.sql new file mode 100644 index 000000000..881089293 --- /dev/null +++ b/migrations/2023-01-17-165819_cleanup_post_aggregates_indexes/up.sql @@ -0,0 +1,30 @@ +-- Drop the old indexes +drop index idx_post_aggregates_newest_comment_time, + idx_post_aggregates_comments, + idx_post_aggregates_hot, + idx_post_aggregates_active, + idx_post_aggregates_score, + idx_post_aggregates_published; + +-- All of the post fetching queries now start with either +-- featured_local desc, or featured_community desc, then the other sorts. +-- So you now need to double these indexes + +create index idx_post_aggregates_featured_local_newest_comment_time on post_aggregates (featured_local desc, newest_comment_time desc); +create index idx_post_aggregates_featured_community_newest_comment_time on post_aggregates (featured_community desc, newest_comment_time desc); + +create index idx_post_aggregates_featured_local_comments on post_aggregates (featured_local desc, comments desc); +create index idx_post_aggregates_featured_community_comments on post_aggregates (featured_community desc, comments desc); + +create index idx_post_aggregates_featured_local_hot on post_aggregates (featured_local desc, hot_rank(score, published) desc, published desc); +create index idx_post_aggregates_featured_community_hot on post_aggregates (featured_community desc, hot_rank(score, published) desc, published desc); + +create index idx_post_aggregates_featured_local_active on post_aggregates (featured_local desc, hot_rank(score, newest_comment_time) desc, newest_comment_time desc); +create index idx_post_aggregates_featured_community_active on post_aggregates (featured_community desc, hot_rank(score, newest_comment_time) desc, newest_comment_time desc); + +create index idx_post_aggregates_featured_local_score on post_aggregates (featured_local desc, score desc); +create index idx_post_aggregates_featured_community_score on post_aggregates (featured_community desc, score desc); + +create index idx_post_aggregates_featured_local_published on post_aggregates (featured_local desc, published desc); +create index idx_post_aggregates_featured_community_published on post_aggregates (featured_community desc, published desc); +