[backend] Add postgres FTS migration

This commit is contained in:
Laura Hausmann 2023-11-18 19:26:37 +01:00
parent b2f6808bef
commit 361176448e
Signed by: zotan
GPG key ID: D044E84C5BE01605
2 changed files with 20 additions and 0 deletions

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@ -0,0 +1,19 @@
import { MigrationInterface, QueryRunner } from "typeorm"
export class NoteTextFtsIdx1700331070890 implements MigrationInterface {
public async up(queryRunner: QueryRunner): Promise<void> {
await queryRunner.query(`CREATE EXTENSION IF NOT EXISTS pg_trgm`);
const total = await queryRunner.query(`SELECT COUNT(*) FROM "note"`);
if (total && total.length > 0) {
const count = BigInt(total[0].count);
console.log(`Indexing the "note" table for full text search, please hang tight!`);
console.log(`You have ${count} notes in your database. This process will take an estimated ${count / 1000000n * 45n} seconds, though the exact duration depends on your hardware configuration.`);
}
await queryRunner.query(`CREATE INDEX IF NOT EXISTS "note_text_fts_idx" ON "note" USING gin ("text" gin_trgm_ops)`);
}
public async down(queryRunner: QueryRunner): Promise<void> {
await queryRunner.query(`DROP INDEX IF EXISTS "note_text_fts_idx"`);
await queryRunner.query(`DROP EXTENSION IF EXISTS pg_trgm`);
}
}

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@ -62,6 +62,7 @@ export class Note {
})
public threadId: string | null;
@Index('note_text_fts_idx', { synchronize: false })
@Column("text", {
nullable: true,
})