migrations/2023-01-17-165819_cleanup_post_aggregates_indexes/up.sql

   1 -- Drop the old indexes
   2 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;
   3
   4 -- All of the post fetching queries now start with either
   5 -- featured_local desc, or featured_community desc, then the other sorts.
   6 -- So you now need to double these indexes
   7 CREATE INDEX idx_post_aggregates_featured_local_newest_comment_time ON post_aggregates (featured_local DESC, newest_comment_time DESC);
   8
   9 CREATE INDEX idx_post_aggregates_featured_community_newest_comment_time ON post_aggregates (featured_community DESC, newest_comment_time DESC);
  10
  11 CREATE INDEX idx_post_aggregates_featured_local_comments ON post_aggregates (featured_local DESC, comments DESC);
  12
  13 CREATE INDEX idx_post_aggregates_featured_community_comments ON post_aggregates (featured_community DESC, comments DESC);
  14
  15 CREATE INDEX idx_post_aggregates_featured_local_hot ON post_aggregates (featured_local DESC, hot_rank (score, published) DESC, published DESC);
  16
  17 CREATE INDEX idx_post_aggregates_featured_community_hot ON post_aggregates (featured_community DESC, hot_rank (score, published) DESC, published DESC);
  18
  19 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);
  20
  21 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);
  22
  23 CREATE INDEX idx_post_aggregates_featured_local_score ON post_aggregates (featured_local DESC, score DESC);
  24
  25 CREATE INDEX idx_post_aggregates_featured_community_score ON post_aggregates (featured_community DESC, score DESC);
  26
  27 CREATE INDEX idx_post_aggregates_featured_local_published ON post_aggregates (featured_local DESC, published DESC);
  28
  29 CREATE INDEX idx_post_aggregates_featured_community_published ON post_aggregates (featured_community DESC, published DESC);
  30