Improve home feed query

This commit is contained in:
rubic0n 2021-02-28 19:45:44 -06:00
parent 10ec03f28b
commit 6e42e3b1ec
1 changed files with 9 additions and 13 deletions

View File

@ -16,11 +16,7 @@ class HomeFeed < Feed
private
def from_database(limit, max_id, since_id, min_id)
pagination_max = ""
pagination_min = ""
pagination_max = "and s.id < #{max_id}" unless max_id.nil?
pagination_min = "and s.id > #{min_id}" unless min_id.nil?
Status.find_by_sql "
Status.find_by_sql([<<-SQL, { id: @id, limit: limit, min_id: min_id, max_id: max_id }])
with cte as
(
select
@ -36,14 +32,14 @@ class HomeFeed < Feed
where
s.created_at > NOW() - INTERVAL '7 days'
and s.reply is false
and (exists(select ff.target_account_id from follows ff where ff.account_id = #{@id} and ff.target_account_id = s.account_id)
or s.account_id = #{@id})
and not exists(select mm.target_account_id from mutes mm where mm.account_id = #{@id} and mm.target_account_id in (s.account_id, r.account_id))
and not exists(select bb.target_account_id from blocks bb where bb.account_id = #{@id} and bb.target_account_id in (s.account_id, r.account_id))
#{pagination_max}
#{pagination_min}
and (exists(select ff.target_account_id from follows ff where ff.account_id = :id and ff.target_account_id = s.account_id)
or s.account_id = :id)
and not exists(select mm.target_account_id from mutes mm where mm.account_id = :id and mm.target_account_id in (s.account_id, r.account_id))
and not exists(select bb.target_account_id from blocks bb where bb.account_id = :id and bb.target_account_id in (s.account_id, r.account_id))
and (:max_id is null or s.id < :max_id)
and (:min_id is null or s.id > :min_id)
order by s.created_at desc
limit #{limit}
limit :limit
) sid
)
select
@ -53,6 +49,6 @@ class HomeFeed < Feed
where
cte.rn_dupe = 1 or cte.reblog_of_id is null
order by so.created_at desc
"
SQL
end
end