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https://github.com/LemmyNet/lemmy.git
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544d30f0d4
* add token-based pagination + fast subscribed post view * add migrations * fix failing heuristic * revert * output pagination token as next_page, fix off-by-one, restructure * more cleanup * clean * format sql * fix comment * fix tests * e * empty * move last page thing * restructure a bit for readability * rename page_cursor * update for scaled sort * fix * sql format * fix * get rid of macros --------- Co-authored-by: Dessalines <dessalines@users.noreply.github.com>
60 lines
3.6 KiB
SQL
60 lines
3.6 KiB
SQL
-- these indices are used for single-community filtering and for the followed-communities (front-page) query
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-- basically one index per Sort
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-- index name is truncated to 63 chars so abbreviate a bit
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CREATE INDEX idx_post_aggregates_community_active ON post_aggregates (community_id, featured_local DESC, hot_rank_active DESC, published DESC);
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CREATE INDEX idx_post_aggregates_community_controversy ON post_aggregates (community_id, featured_local DESC, controversy_rank DESC);
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CREATE INDEX idx_post_aggregates_community_hot ON post_aggregates (community_id, featured_local DESC, hot_rank DESC, published DESC);
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CREATE INDEX idx_post_aggregates_community_scaled ON post_aggregates (community_id, featured_local DESC, scaled_rank DESC, published DESC);
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CREATE INDEX idx_post_aggregates_community_most_comments ON post_aggregates (community_id, featured_local DESC, comments DESC, published DESC);
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CREATE INDEX idx_post_aggregates_community_newest_comment_time ON post_aggregates (community_id, featured_local DESC, newest_comment_time DESC);
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CREATE INDEX idx_post_aggregates_community_newest_comment_time_necro ON post_aggregates (community_id, featured_local DESC, newest_comment_time_necro DESC);
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CREATE INDEX idx_post_aggregates_community_published ON post_aggregates (community_id, featured_local DESC, published DESC);
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CREATE INDEX idx_post_aggregates_community_score ON post_aggregates (community_id, featured_local DESC, score DESC, published DESC);
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-- these indices are used for "per-community" filtering
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-- these indices weren't really useful because whenever the query filters by featured_community it also filters by community_id, so prepend that to all these indexes
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DROP INDEX idx_post_aggregates_featured_community_active;
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DROP INDEX idx_post_aggregates_featured_community_controversy;
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DROP INDEX idx_post_aggregates_featured_community_hot;
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DROP INDEX idx_post_aggregates_featured_community_scaled;
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DROP INDEX idx_post_aggregates_featured_community_most_comments;
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DROP INDEX idx_post_aggregates_featured_community_newest_comment_time;
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DROP INDEX idx_post_aggregates_featured_community_newest_comment_time_necro;
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DROP INDEX idx_post_aggregates_featured_community_published;
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DROP INDEX idx_post_aggregates_featured_community_score;
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CREATE INDEX idx_post_aggregates_featured_community_active ON post_aggregates (community_id, featured_community DESC, hot_rank_active DESC, published DESC);
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CREATE INDEX idx_post_aggregates_featured_community_controversy ON post_aggregates (community_id, featured_community DESC, controversy_rank DESC);
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CREATE INDEX idx_post_aggregates_featured_community_hot ON post_aggregates (community_id, featured_community DESC, hot_rank DESC, published DESC);
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CREATE INDEX idx_post_aggregates_featured_community_scaled ON post_aggregates (community_id, featured_community DESC, scaled_rank DESC, published DESC);
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CREATE INDEX idx_post_aggregates_featured_community_most_comments ON post_aggregates (community_id, featured_community DESC, comments DESC, published DESC);
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CREATE INDEX idx_post_aggregates_featured_community_newest_comment_time ON post_aggregates (community_id, featured_community DESC, newest_comment_time DESC);
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CREATE INDEX idx_post_aggregates_featured_community_newest_comment_time_necro ON post_aggregates (community_id, featured_community DESC, newest_comment_time_necro DESC);
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CREATE INDEX idx_post_aggregates_featured_community_published ON post_aggregates (community_id, featured_community DESC, published DESC);
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CREATE INDEX idx_post_aggregates_featured_community_score ON post_aggregates (community_id, featured_community DESC, score DESC, published DESC);
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