mirror of
https://github.com/LemmyNet/lemmy.git
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410 lines
8.2 KiB
SQL
410 lines
8.2 KiB
SQL
-- Drop the dependent views
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DROP VIEW IF EXISTS post_view;
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DROP VIEW IF EXISTS post_mview;
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DROP MATERIALIZED VIEW IF EXISTS post_aggregates_mview;
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DROP VIEW IF EXISTS post_aggregates_view;
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DROP VIEW IF EXISTS mod_remove_post_view;
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DROP VIEW IF EXISTS mod_sticky_post_view;
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DROP VIEW IF EXISTS mod_lock_post_view;
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DROP VIEW IF EXISTS mod_remove_comment_view;
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ALTER TABLE post
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ALTER COLUMN name TYPE varchar(100);
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-- regen post view
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CREATE VIEW post_aggregates_view AS
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SELECT
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p.*,
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(
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SELECT
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u.banned
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FROM
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user_ u
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WHERE
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p.creator_id = u.id) AS banned,
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(
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SELECT
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cb.id::bool
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FROM
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community_user_ban cb
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WHERE
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p.creator_id = cb.user_id
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AND p.community_id = cb.community_id) AS banned_from_community,
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(
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SELECT
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name
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FROM
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user_
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WHERE
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p.creator_id = user_.id) AS creator_name,
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(
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SELECT
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avatar
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FROM
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user_
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WHERE
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p.creator_id = user_.id) AS creator_avatar,
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(
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SELECT
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name
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FROM
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community
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WHERE
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p.community_id = community.id) AS community_name,
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(
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SELECT
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removed
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FROM
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community c
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WHERE
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p.community_id = c.id) AS community_removed,
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(
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SELECT
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deleted
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FROM
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community c
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WHERE
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p.community_id = c.id) AS community_deleted,
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(
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SELECT
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nsfw
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FROM
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community c
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WHERE
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p.community_id = c.id) AS community_nsfw,
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(
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SELECT
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count(*)
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FROM
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comment
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WHERE
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comment.post_id = p.id) AS number_of_comments,
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coalesce(sum(pl.score), 0) AS score,
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count(
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CASE WHEN pl.score = 1 THEN
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1
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ELSE
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NULL
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END) AS upvotes,
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count(
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CASE WHEN pl.score = - 1 THEN
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1
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ELSE
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NULL
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END) AS downvotes,
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hot_rank (coalesce(sum(pl.score), 0), p.published) AS hot_rank
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FROM
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post p
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LEFT JOIN post_like pl ON p.id = pl.post_id
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GROUP BY
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p.id;
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CREATE MATERIALIZED VIEW post_aggregates_mview AS
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SELECT
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*
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FROM
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post_aggregates_view;
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CREATE UNIQUE INDEX idx_post_aggregates_mview_id ON post_aggregates_mview (id);
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CREATE VIEW post_view AS
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with all_post AS (
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SELECT
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pa.*
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FROM
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post_aggregates_view pa
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)
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SELECT
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ap.*,
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u.id AS user_id,
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coalesce(pl.score, 0) AS my_vote,
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(
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SELECT
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cf.id::bool
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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 cf.community_id = ap.community_id) AS subscribed,
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(
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SELECT
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pr.id::bool
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FROM
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post_read pr
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WHERE
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u.id = pr.user_id
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AND pr.post_id = ap.id) AS read,
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(
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SELECT
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ps.id::bool
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FROM
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post_saved ps
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WHERE
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u.id = ps.user_id
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AND ps.post_id = ap.id) AS saved
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FROM
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user_ u
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CROSS JOIN all_post ap
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LEFT JOIN post_like pl ON u.id = pl.user_id
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AND ap.id = pl.post_id
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UNION ALL
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SELECT
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ap.*,
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NULL AS user_id,
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NULL AS my_vote,
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NULL AS subscribed,
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NULL AS read,
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NULL AS saved
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FROM
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all_post ap;
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CREATE VIEW post_mview AS
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with all_post AS (
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SELECT
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pa.*
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FROM
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post_aggregates_mview pa
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)
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SELECT
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ap.*,
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u.id AS user_id,
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coalesce(pl.score, 0) AS my_vote,
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(
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SELECT
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cf.id::bool
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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 cf.community_id = ap.community_id) AS subscribed,
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(
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SELECT
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pr.id::bool
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FROM
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post_read pr
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WHERE
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u.id = pr.user_id
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AND pr.post_id = ap.id) AS read,
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(
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SELECT
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ps.id::bool
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FROM
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post_saved ps
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WHERE
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u.id = ps.user_id
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AND ps.post_id = ap.id) AS saved
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FROM
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user_ u
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CROSS JOIN all_post ap
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LEFT JOIN post_like pl ON u.id = pl.user_id
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AND ap.id = pl.post_id
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UNION ALL
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SELECT
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ap.*,
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NULL AS user_id,
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NULL AS my_vote,
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NULL AS subscribed,
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NULL AS read,
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NULL AS saved
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FROM
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all_post ap;
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-- The mod views
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CREATE VIEW mod_remove_post_view AS
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SELECT
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mrp.*,
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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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mrp.mod_user_id = u.id) AS mod_user_name,
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(
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SELECT
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name
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FROM
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post p
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WHERE
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mrp.post_id = p.id) AS post_name,
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(
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SELECT
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c.id
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FROM
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post p,
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community c
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WHERE
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mrp.post_id = p.id
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AND p.community_id = c.id) AS community_id,
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(
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SELECT
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c.name
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FROM
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post p,
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community c
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WHERE
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mrp.post_id = p.id
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AND p.community_id = c.id) AS community_name
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FROM
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mod_remove_post mrp;
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CREATE VIEW mod_lock_post_view AS
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SELECT
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mlp.*,
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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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mlp.mod_user_id = u.id) AS mod_user_name,
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(
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SELECT
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name
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FROM
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post p
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WHERE
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mlp.post_id = p.id) AS post_name,
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(
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SELECT
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c.id
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FROM
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post p,
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community c
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WHERE
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mlp.post_id = p.id
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AND p.community_id = c.id) AS community_id,
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(
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SELECT
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c.name
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FROM
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post p,
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community c
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WHERE
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mlp.post_id = p.id
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AND p.community_id = c.id) AS community_name
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FROM
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mod_lock_post mlp;
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CREATE VIEW mod_remove_comment_view AS
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SELECT
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mrc.*,
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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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mrc.mod_user_id = u.id) AS mod_user_name,
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(
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SELECT
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c.id
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FROM
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comment c
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WHERE
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mrc.comment_id = c.id) AS comment_user_id,
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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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comment c
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WHERE
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mrc.comment_id = c.id
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AND u.id = c.creator_id) AS comment_user_name,
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(
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SELECT
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content
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FROM
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comment c
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WHERE
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mrc.comment_id = c.id) AS comment_content,
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(
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SELECT
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p.id
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FROM
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post p,
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comment c
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WHERE
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mrc.comment_id = c.id
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AND c.post_id = p.id) AS post_id,
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(
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SELECT
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p.name
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FROM
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post p,
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comment c
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WHERE
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mrc.comment_id = c.id
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AND c.post_id = p.id) AS post_name,
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(
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SELECT
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co.id
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FROM
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comment c,
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post p,
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community co
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WHERE
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mrc.comment_id = c.id
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AND c.post_id = p.id
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AND p.community_id = co.id) AS community_id,
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(
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SELECT
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co.name
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FROM
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comment c,
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post p,
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community co
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WHERE
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mrc.comment_id = c.id
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AND c.post_id = p.id
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AND p.community_id = co.id) AS community_name
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FROM
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mod_remove_comment mrc;
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CREATE VIEW mod_sticky_post_view AS
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SELECT
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msp.*,
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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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msp.mod_user_id = u.id) AS mod_user_name,
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(
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SELECT
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name
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FROM
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post p
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WHERE
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msp.post_id = p.id) AS post_name,
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(
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SELECT
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c.id
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FROM
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post p,
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community c
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WHERE
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msp.post_id = p.id
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AND p.community_id = c.id) AS community_id,
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(
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SELECT
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c.name
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FROM
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post p,
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community c
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WHERE
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msp.post_id = p.id
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AND p.community_id = c.id) AS community_name
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FROM
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mod_sticky_post msp;
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