mirror of https://github.com/LemmyNet/lemmy.git
75 lines
1.6 KiB
SQL
75 lines
1.6 KiB
SQL
DROP VIEW community_view;
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CREATE VIEW community_view AS
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with all_community AS (
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SELECT
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*,
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(
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SELECT
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name
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FROM
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user_ u
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WHERE
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c.creator_id = u.id) AS creator_name,
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(
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SELECT
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name
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FROM
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category ct
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WHERE
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c.category_id = ct.id) AS category_name,
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(
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SELECT
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count(*)
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FROM
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community_follower cf
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WHERE
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cf.community_id = c.id) AS number_of_subscribers,
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(
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SELECT
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count(*)
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FROM
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post p
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WHERE
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p.community_id = c.id) AS number_of_posts,
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(
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SELECT
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count(*)
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FROM
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comment co,
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post p
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WHERE
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c.id = p.community_id
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AND p.id = co.post_id) AS number_of_comments,
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hot_rank ((
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SELECT
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count(*)
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FROM community_follower cf
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WHERE
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cf.community_id = c.id), c.published) AS hot_rank
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FROM
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community c
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)
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SELECT
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ac.*,
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u.id AS user_id,
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(
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SELECT
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cf.id::boolean
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FROM
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community_follower cf
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WHERE
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u.id = cf.user_id
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AND ac.id = cf.community_id) AS subscribed
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FROM
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user_ u
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CROSS JOIN all_community ac
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UNION ALL
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SELECT
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ac.*,
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NULL AS user_id,
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NULL AS subscribed
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FROM
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all_community ac;
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