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make notifications slightly more concise

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This commit is contained in:
keyan 2021-10-28 17:22:19 -05:00
parent 10730bf7d5
commit 0f3db83ebc
1 changed files with 34 additions and 17 deletions
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51
api/resolvers/notifications.js
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@ -40,6 +40,23 @@ export default {
"Item" LEFT JOIN "Vote" on "Vote"."itemId" = "Item".id AND "Vote"."userId" <> 622 "Item" LEFT JOIN "Vote" on "Vote"."itemId" = "Item".id AND "Vote"."userId" <> 622
AND "Vote".boost = false WHERE "Item"."userId" = 622 group by "Item".id, AND "Vote".boost = false WHERE "Item"."userId" = 622 group by "Item".id,
date_trunc('hour', "Vote".created_at) order by created_at desc; date_trunc('hour', "Vote".created_at) order by created_at desc;
island approach we used to take
(SELECT ${ITEM_SUBQUERY_FIELDS}, max(subquery.voted_at) as "sortTime",
sum(subquery.sats) as "earnedSats", false as mention
FROM
(SELECT ${ITEM_FIELDS}, "ItemAct".created_at as voted_at, "ItemAct".sats,
ROW_NUMBER() OVER(ORDER BY "ItemAct".created_at) -
ROW_NUMBER() OVER(PARTITION BY "Item".id ORDER BY "ItemAct".created_at) as island
FROM "ItemAct"
JOIN "Item" on "ItemAct"."itemId" = "Item".id
WHERE "ItemAct"."userId" <> $1
AND "ItemAct".created_at <= $2
AND "ItemAct".act <> 'BOOST'
AND "Item"."userId" = $1) subquery
GROUP BY ${ITEM_SUBQUERY_FIELDS}, subquery.island
ORDER BY max(subquery.voted_at) desc
LIMIT ${LIMIT}+$3)
*/ */
// HACK to make notifications faster, we only return a limited sub set of the unioned // HACK to make notifications faster, we only return a limited sub set of the unioned
@ -55,20 +72,16 @@ export default {
ORDER BY "Item".created_at desc ORDER BY "Item".created_at desc
LIMIT ${LIMIT}+$3) LIMIT ${LIMIT}+$3)
UNION ALL UNION ALL
(SELECT ${ITEM_SUBQUERY_FIELDS}, max(subquery.voted_at) as "sortTime", (SELECT ${ITEM_FIELDS}, max("ItemAct".created_at) as "sortTime",
sum(subquery.sats) as "earnedSats", false as mention sum("ItemAct".sats) as "earnedSats", false as mention
FROM FROM "Item"
(SELECT ${ITEM_FIELDS}, "ItemAct".created_at as voted_at, "ItemAct".sats, JOIN "ItemAct" on "ItemAct"."itemId" = "Item".id
ROW_NUMBER() OVER(ORDER BY "ItemAct".created_at) - WHERE "ItemAct"."userId" <> $1
ROW_NUMBER() OVER(PARTITION BY "Item".id ORDER BY "ItemAct".created_at) as island AND "ItemAct".created_at <= $2
FROM "ItemAct" AND "ItemAct".act <> 'BOOST'
JOIN "Item" on "ItemAct"."itemId" = "Item".id AND "Item"."userId" = $1
WHERE "ItemAct"."userId" <> $1 GROUP BY ${ITEM_GROUP_FIELDS}
AND "ItemAct".created_at <= $2 ORDER BY max("ItemAct".created_at) desc
AND "ItemAct".act <> 'BOOST'
AND "Item"."userId" = $1) subquery
GROUP BY ${ITEM_SUBQUERY_FIELDS}, subquery.island
ORDER BY max(subquery.voted_at) desc
LIMIT ${LIMIT}+$3) LIMIT ${LIMIT}+$3)
UNION ALL UNION ALL
(SELECT ${ITEM_FIELDS}, "Mention".created_at as "sortTime", NULL as "earnedSats", (SELECT ${ITEM_FIELDS}, "Mention".created_at as "sortTime", NULL as "earnedSats",
@ -109,9 +122,13 @@ export default {
} }
} }
const ITEM_SUBQUERY_FIELDS = // const ITEM_SUBQUERY_FIELDS =
`subquery.id, subquery."createdAt", subquery."updatedAt", subquery.title, subquery.text, // `subquery.id, subquery."createdAt", subquery."updatedAt", subquery.title, subquery.text,
subquery.url, subquery."userId", subquery."parentId", subquery.path` // subquery.url, subquery."userId", subquery."parentId", subquery.path`
const ITEM_GROUP_FIELDS =
`"Item".id, "Item".created_at, "Item".updated_at, "Item".title,
"Item".text, "Item".url, "Item"."userId", "Item"."parentId", ltree2text("Item"."path")`
const ITEM_FIELDS = const ITEM_FIELDS =
`"Item".id, "Item".created_at as "createdAt", "Item".updated_at as "updatedAt", "Item".title, `"Item".id, "Item".created_at as "createdAt", "Item".updated_at as "updatedAt", "Item".title,