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ssb: Faster queries through lots of trial and error.
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Cory McWilliams
2025-10-07 21:15:09 -04:00
parent 6fad20ffa3
commit 77001e595c
2 changed files with 10 additions and 9 deletions
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2
apps/ssb.json
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@@ -1,5 +1,5 @@
{ {
"type": "tildefriends-app", "type": "tildefriends-app",
"emoji": "🦀", "emoji": "🦀",
"previous": "&byK/qn2Q4IfVc7gE2ExwX6oyj6O1iXhQCAlR1ftYjtQ=.sha256" "previous": "&Cz8miv45HPxRJGyj1dj2Z2us1rL6HTNxZyeR1pmYaWw=.sha256"
} }

11
apps/ssb/tf-tab-news-feed.js
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@@ -256,14 +256,15 @@ class TfTabNewsFeedElement extends LitElement {
let t0 = new Date(); let t0 = new Date();
let initial_messages = await tfrpc.rpc.query( let initial_messages = await tfrpc.rpc.query(
` `
WITH news AS (SELECT TRUE AS is_primary, messages.rowid, messages.id, messages.previous, messages.author, messages.sequence, messages.timestamp, messages.hash, json(messages.content) AS content, messages.signature WITH
channels AS (SELECT '#' || value AS value FROM json_each(?5))
SELECT TRUE AS is_primary, messages.rowid, messages.id, messages.previous, messages.author, messages.sequence, messages.timestamp, messages.hash, json(messages.content) AS content, messages.signature
FROM messages FROM messages
JOIN json_each(?1) AS following ON messages.author = following.value JOIN json_each(?1) AS following ON messages.author = following.value
LEFT OUTER JOIN json_each(?5) AS channels ON messages.content ->> 'channel' = channels.value
WHERE messages.timestamp < ?3 AND (?2 IS NULL OR messages.timestamp >= ?2) AND WHERE messages.timestamp < ?3 AND (?2 IS NULL OR messages.timestamp >= ?2) AND
messages.content ->> 'type' != 'vote' AND channels.value IS NULL) messages.content ->> 'type' != 'vote' AND
SELECT * FROM news (messages.content ->> 'channel' IS NULL OR ('#' || (messages.content ->> 'channel')) NOT IN (SELECT * FROM channels)) AND
WHERE NOT EXISTS (SELECT * FROM messages_refs JOIN json_each(?5) AS channels ON messages_refs.message = news.id AND messages_refs.ref = '#' || channels.value WHERE messages_refs.ref LIKE '#%') NOT EXISTS (SELECT * FROM messages_refs JOIN channels ON messages_refs.message = messages.id AND messages_refs.ref = channels.value)
ORDER BY timestamp DESC LIMIT ?4 ORDER BY timestamp DESC LIMIT ?4
`, `,
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