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Replace notes(userId) index with (userId, id)

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This improves performance of queries searching posts by a given user,
optionally with a provided range of dates, and then using ORDER BY to
sort posts by date.

Examples of such queries include: viewing posts by a given user, as
well as checking when the last post by a given user was written for
Mastodon API.
This commit is contained in:
sugar 2025-01-11 21:56:59 +01:00
parent 6b4f96a94b
commit 93dba136ab
2 changed files with 12 additions and 0 deletions
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11
packages/backend/migration/1736888704471-NoteUserIdIdIndex.js Normal file
View file

@ -0,0 +1,11 @@
export class NoteUserIdIdIndex1736888704471 {
name = 'NoteUserIdIdIndex1736888704471'
async up(queryRunner) {
await queryRunner.query(`CREATE INDEX "IDX_note_userId_id" ON "note" ("userId", "id") `);
}
async down(queryRunner) {
await queryRunner.query(`DROP INDEX "public"."IDX_note_userId_id"`);
}
}

1
packages/backend/src/models/Note.ts
View file

@ -15,6 +15,7 @@ import type { MiDriveFile } from './DriveFile.js';
@Index('IDX_NOTE_MENTIONS', { synchronize: false })
@Index('IDX_NOTE_FILE_IDS', { synchronize: false })
@Index('IDX_NOTE_VISIBLE_USER_IDS', { synchronize: false })
@Index('IDX_note_userId_id', ['userId', 'id'])
export class MiNote {
@PrimaryColumn(id())
public id: string;