147 lines
7.3 KiB
PL/PgSQL
147 lines
7.3 KiB
PL/PgSQL
-- AlterTable
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ALTER TABLE "Item" ADD COLUMN "nDirectComments" INTEGER NOT NULL DEFAULT 0;
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-- Update nDirectComments
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UPDATE "Item"
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SET "nDirectComments" = "DirectComments"."nDirectComments"
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FROM (
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SELECT "Item"."parentId" AS "id", COUNT(*) AS "nDirectComments"
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FROM "Item"
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WHERE "Item"."parentId" IS NOT NULL
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GROUP BY "Item"."parentId"
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) AS "DirectComments"
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WHERE "Item"."id" = "DirectComments"."id";
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-- add limit and offset
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CREATE OR REPLACE FUNCTION item_comments_zaprank_with_me_limited(
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_item_id int, _global_seed int, _me_id int, _limit int, _offset int, _grandchild_limit int,
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_level int, _where text, _order_by text)
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RETURNS jsonb
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LANGUAGE plpgsql VOLATILE PARALLEL SAFE AS
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$$
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DECLARE
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result jsonb;
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BEGIN
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IF _level < 1 THEN
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RETURN '[]'::jsonb;
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END IF;
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EXECUTE 'CREATE TEMP TABLE IF NOT EXISTS t_item ON COMMIT DROP AS '
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|| 'WITH RECURSIVE base AS ( '
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|| ' (SELECT "Item".*, 1 as level, ROW_NUMBER() OVER () as rn, '
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|| ' GREATEST(g.tf_hot_score, l.tf_hot_score) AS personal_hot_score, '
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|| ' GREATEST(g.tf_top_score, l.tf_top_score) AS personal_top_score '
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|| ' FROM "Item" '
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|| ' LEFT JOIN zap_rank_personal_view g ON g."viewerId" = $2 AND g.id = "Item".id '
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|| ' LEFT JOIN zap_rank_personal_view l ON l."viewerId" = $3 AND l.id = g.id '
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|| ' WHERE "Item"."parentId" = $1 '
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|| _order_by || ' '
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|| ' LIMIT $4 '
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|| ' OFFSET $5) '
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|| ' UNION ALL '
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|| ' (SELECT "Item".*, b.level + 1, ROW_NUMBER() OVER (PARTITION BY "Item"."parentId" ' || _order_by || ') as rn, '
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|| ' GREATEST(g.tf_hot_score, l.tf_hot_score) AS personal_hot_score, '
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|| ' GREATEST(g.tf_top_score, l.tf_top_score) AS personal_top_score '
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|| ' FROM "Item" '
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|| ' JOIN base b ON "Item"."parentId" = b.id '
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|| ' LEFT JOIN zap_rank_personal_view g ON g."viewerId" = $2 AND g.id = "Item".id '
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|| ' LEFT JOIN zap_rank_personal_view l ON l."viewerId" = $3 AND l.id = g.id '
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|| ' WHERE b.level < $7 AND (b.level = 1 OR b.rn <= $6)) '
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|| ') '
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|| 'SELECT "Item".*, '
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|| ' "Item".created_at at time zone ''UTC'' AS "createdAt", '
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|| ' "Item".updated_at at time zone ''UTC'' AS "updatedAt", '
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|| ' "Item"."invoicePaidAt" at time zone ''UTC'' AS "invoicePaidAtUTC", '
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|| ' to_jsonb(users.*) || jsonb_build_object(''meMute'', "Mute"."mutedId" IS NOT NULL) AS user, '
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|| ' COALESCE("ItemAct"."meMsats", 0) AS "meMsats", '
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|| ' COALESCE("ItemAct"."mePendingMsats", 0) as "mePendingMsats", '
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|| ' COALESCE("ItemAct"."meDontLikeMsats", 0) AS "meDontLikeMsats", '
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|| ' COALESCE("ItemAct"."meMcredits", 0) AS "meMcredits", '
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|| ' COALESCE("ItemAct"."mePendingMcredits", 0) as "mePendingMcredits", '
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|| ' "Bookmark"."itemId" IS NOT NULL AS "meBookmark", '
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|| ' "ThreadSubscription"."itemId" IS NOT NULL AS "meSubscription" '
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|| 'FROM base "Item" '
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|| 'JOIN users ON users.id = "Item"."userId" '
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|| ' LEFT JOIN "Mute" ON "Mute"."muterId" = $3 AND "Mute"."mutedId" = "Item"."userId" '
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|| ' LEFT JOIN "Bookmark" ON "Bookmark"."userId" = $3 AND "Bookmark"."itemId" = "Item".id '
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|| ' LEFT JOIN "ThreadSubscription" ON "ThreadSubscription"."userId" = $3 AND "ThreadSubscription"."itemId" = "Item".id '
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|| 'LEFT JOIN LATERAL ( '
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|| ' SELECT "itemId", '
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|| ' sum("ItemAct".msats) FILTER (WHERE "invoiceActionState" IS DISTINCT FROM ''FAILED'' AND "InvoiceForward".id IS NOT NULL AND (act = ''FEE'' OR act = ''TIP'')) AS "meMsats", '
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|| ' sum("ItemAct".msats) FILTER (WHERE "invoiceActionState" IS DISTINCT FROM ''FAILED'' AND "InvoiceForward".id IS NULL AND (act = ''FEE'' OR act = ''TIP'')) AS "meMcredits", '
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|| ' sum("ItemAct".msats) FILTER (WHERE "invoiceActionState" IS NOT DISTINCT FROM ''PENDING'' AND "InvoiceForward".id IS NOT NULL AND (act = ''FEE'' OR act = ''TIP'')) AS "mePendingMsats", '
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|| ' sum("ItemAct".msats) FILTER (WHERE "invoiceActionState" IS NOT DISTINCT FROM ''PENDING'' AND "InvoiceForward".id IS NULL AND (act = ''FEE'' OR act = ''TIP'')) AS "mePendingMcredits", '
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|| ' sum("ItemAct".msats) FILTER (WHERE "invoiceActionState" IS DISTINCT FROM ''FAILED'' AND act = ''DONT_LIKE_THIS'') AS "meDontLikeMsats" '
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|| ' FROM "ItemAct" '
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|| ' LEFT JOIN "Invoice" ON "Invoice".id = "ItemAct"."invoiceId" '
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|| ' LEFT JOIN "InvoiceForward" ON "InvoiceForward"."invoiceId" = "Invoice"."id" '
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|| ' WHERE "ItemAct"."userId" = $3 '
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|| ' AND "ItemAct"."itemId" = "Item".id '
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|| ' GROUP BY "ItemAct"."itemId" '
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|| ') "ItemAct" ON true '
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|| 'WHERE ("Item".level = 1 OR "Item".rn <= $6 - "Item".level + 2) ' || _where || ' '
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USING _item_id, _global_seed, _me_id, _limit, _offset, _grandchild_limit, _level, _where, _order_by;
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EXECUTE ''
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|| 'SELECT COALESCE(jsonb_agg(sub), ''[]''::jsonb) AS comments '
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|| 'FROM ( '
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|| ' SELECT "Item".*, item_comments_zaprank_with_me_limited("Item".id, $2, $3, $4, $5, $6, $7 - 1, $8, $9) AS comments '
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|| ' FROM t_item "Item" '
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|| ' WHERE "Item"."parentId" = $1 '
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|| _order_by
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|| ' ) sub'
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INTO result USING _item_id, _global_seed, _me_id, _limit, _offset, _grandchild_limit, _level, _where, _order_by;
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RETURN result;
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END
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$$;
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-- add limit and offset
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CREATE OR REPLACE FUNCTION item_comments_limited(
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_item_id int, _limit int, _offset int, _grandchild_limit int,
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_level int, _where text, _order_by text)
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RETURNS jsonb
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LANGUAGE plpgsql VOLATILE PARALLEL SAFE AS
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$$
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DECLARE
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result jsonb;
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BEGIN
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IF _level < 1 THEN
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RETURN '[]'::jsonb;
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END IF;
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EXECUTE 'CREATE TEMP TABLE IF NOT EXISTS t_item ON COMMIT DROP AS '
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|| 'WITH RECURSIVE base AS ( '
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|| ' (SELECT "Item".*, 1 as level, ROW_NUMBER() OVER () as rn '
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|| ' FROM "Item" '
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|| ' WHERE "Item"."parentId" = $1 '
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|| _order_by || ' '
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|| ' LIMIT $2 '
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|| ' OFFSET $3) '
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|| ' UNION ALL '
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|| ' (SELECT "Item".*, b.level + 1, ROW_NUMBER() OVER (PARTITION BY "Item"."parentId" ' || _order_by || ') '
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|| ' FROM "Item" '
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|| ' JOIN base b ON "Item"."parentId" = b.id '
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|| ' WHERE b.level < $5 AND (b.level = 1 OR b.rn <= $4)) '
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|| ') '
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|| 'SELECT "Item".*, "Item".created_at at time zone ''UTC'' AS "createdAt", "Item".updated_at at time zone ''UTC'' AS "updatedAt", '
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|| ' "Item"."invoicePaidAt" at time zone ''UTC'' AS "invoicePaidAtUTC", '
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|| ' to_jsonb(users.*) as user '
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|| 'FROM base "Item" '
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|| 'JOIN users ON users.id = "Item"."userId" '
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|| 'WHERE ("Item".level = 1 OR "Item".rn <= $4) ' || _where
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USING _item_id, _limit, _offset, _grandchild_limit, _level, _where, _order_by;
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EXECUTE ''
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|| 'SELECT COALESCE(jsonb_agg(sub), ''[]''::jsonb) AS comments '
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|| 'FROM ( '
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|| ' SELECT "Item".*, item_comments_limited("Item".id, $2, $3, $4, $5 - 1, $6, $7) AS comments '
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|| ' FROM t_item "Item" '
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|| ' WHERE "Item"."parentId" = $1 '
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|| _order_by
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|| ' ) sub'
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INTO result USING _item_id, _limit, _offset, _grandchild_limit, _level, _where, _order_by;
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RETURN result;
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END
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$$; |