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Improved database schema

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- Some queries are faster due to better index ordering
- Database is smaller thanks to splitting message_channel table and
  adding WITHOUT ROWID where helpful
This commit is contained in:
Cadence Ember
2023-08-28 17:32:55 +12:00
parent 21156446ee
commit fcbb045cbb
11 changed files with 114 additions and 93 deletions
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6
d2m/event-dispatcher.js
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@@ -81,18 +81,18 @@ module.exports = {
async checkMissedMessages(client, guild) {
if (guild.unavailable) return
const bridgedChannels = db.prepare("SELECT channel_id FROM channel_room").pluck().all()
const prepared = db.prepare("SELECT message_id FROM event_message WHERE channel_id = ? AND message_id = ?").pluck()
const prepared = db.prepare("SELECT 1 FROM event_message WHERE message_id = ?").pluck()
for (const channel of guild.channels.concat(guild.threads)) {
if (!bridgedChannels.includes(channel.id)) continue
if (!channel.last_message_id) continue
const latestWasBridged = prepared.get(channel.id, channel.last_message_id)
const latestWasBridged = prepared.get(channel.last_message_id)
if (latestWasBridged) continue
/** More recent messages come first. */
console.log(`[check missed messages] in ${channel.id} (${guild.name} / ${channel.name}) because its last message ${channel.last_message_id} is not in the database`)
const messages = await client.snow.channel.getChannelMessages(channel.id, {limit: 50})
let latestBridgedMessageIndex = messages.findIndex(m => {
return prepared.get(channel.id, m.id)
return prepared.get(m.id)
})
console.log(`[check missed messages] got ${messages.length} messages; last message that IS bridged is at position ${latestBridgedMessageIndex} in the channel`)
if (latestBridgedMessageIndex === -1) latestBridgedMessageIndex = 1 // rather than crawling the ENTIRE channel history, let's just bridge the most recent 1 message to make it up to date.