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Update post_view.rs

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dullbananas 2024-05-23 06:34:51 -07:00 committed by GitHub
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crates/db_views/src/post_view.rs
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@ -652,7 +652,7 @@ impl<'a> PostQuery<'a> {
pool: &mut DbPool<'_>, pool: &mut DbPool<'_>,
) -> Result<Option<PostQuery<'a>>, Error> { ) -> Result<Option<PostQuery<'a>>, Error> {
// first get one page for the most popular community to get an upper bound for the page end for // first get one page for the most popular community to get an upper bound for the page end for
// the real query the reason this is needed is that when fetching posts for a single // the real query. the reason this is needed is that when fetching posts for a single
// community PostgreSQL can optimize the query to use an index on e.g. (=, >=, >=, >=) and // community PostgreSQL can optimize the query to use an index on e.g. (=, >=, >=, >=) and
// fetch only LIMIT rows but for the followed-communities query it has to query the index on // fetch only LIMIT rows but for the followed-communities query it has to query the index on
// (IN, >=, >=, >=) which it currently can't do at all (as of PG 16). see the discussion // (IN, >=, >=, >=) which it currently can't do at all (as of PG 16). see the discussion