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Also port antenna migration

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Laura Hausmann 2023-09-26 21:31:37 +02:00
parent 30de454b69
commit fdca7f804a
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1 changed files with 84 additions and 0 deletions
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packages/backend/migration/1695749948350-move-antenna-to-cache.js Normal file
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import { redisClient } from "../built/db/redis.js";
export class MoveAntennaToCache1695749948350 {
name = "MoveAntennaToCache1695749948350";
async up(queryRunner) {
const tableExists = await queryRunner.query(`SELECT EXISTS ( SELECT 1 FROM pg_tables WHERE tablename = 'antenna_note' ) AS table_existence`)
.then(p => !!p[0]['table_existence']);
if (!tableExists) {
console.log('Skipping migration ("antenna_note" table does not exist)');
return;
}
const skipCopy = process.env.ANTENNA_MIGRATION_SKIP === 'true';
let readLimit = parseInt(process.env.ANTENNA_MIGRATION_READ_LIMIT ?? "10000", 10) ?? 10000;
if (skipCopy) {
console.log('ANTENNA_MIGRATION_SKIP = true, skipping antenna note migration');
}
else {
const total = await queryRunner.query(`SELECT COUNT(1) FROM "antenna_note"`)
.then(p => p[0]['count']);
console.log(`Copying ${total} entries in "antenna_note", please hang tight!`);
let remaining = total;
let query = `SELECT "id", "noteId", "antennaId" FROM "antenna_note" ORDER BY "id" ASC LIMIT ${readLimit}`;
while (remaining > 0) {
let res = await queryRunner.query(query);
if (res.length === 0) break;
remaining -= res.length;
for (const hit of res) {
redisClient.xadd(`antennaTimeline:${hit.antennaId}`, "MAXLEN", "~", "200", "*", "note", hit.noteId);
}
console.log(`Copied ${total-remaining}/${total} notes to cache.`);
query = `SELECT "id", "noteId", "antennaId" FROM "antenna_note" WHERE "id" > '${res.at(-1).id}' ORDER BY "id" ASC LIMIT ${Math.min(readLimit, remaining)}`;
}
}
await queryRunner.query(`DROP TABLE IF EXISTS "antenna_note"`);
}
async down(queryRunner) {
await queryRunner.query(
`CREATE TABLE IF NOT EXISTS "antenna_note" ("id" character varying(32) NOT NULL, "noteId" character varying(32) NOT NULL, "antennaId" character varying(32) NOT NULL, CONSTRAINT "PK_fb28d94d0989a3872df19fd6ef8" PRIMARY KEY ("id"))`
);
await queryRunner.query(
`CREATE INDEX "IDX_bd0397be22147e17210940e125" ON "antenna_note" ("noteId") `,
);
await queryRunner.query(
`CREATE INDEX "IDX_0d775946662d2575dfd2068a5f" ON "antenna_note" ("antennaId") `,
);
await queryRunner.query(
`CREATE UNIQUE INDEX "IDX_335a0bf3f904406f9ef3dd51c2" ON "antenna_note" ("noteId", "antennaId") `,
);
await queryRunner.query(
`ALTER TABLE "antenna_note" ADD CONSTRAINT "FK_bd0397be22147e17210940e125b" FOREIGN KEY ("noteId") REFERENCES "note"("id") ON DELETE CASCADE ON UPDATE NO ACTION`,
undefined,
);
await queryRunner.query(
`ALTER TABLE "antenna_note" ADD CONSTRAINT "FK_0d775946662d2575dfd2068a5f5" FOREIGN KEY ("antennaId") REFERENCES "antenna"("id") ON DELETE CASCADE ON UPDATE NO ACTION`,
undefined,
);
await queryRunner.query(
`ALTER TABLE "antenna_note" ADD "read" boolean NOT NULL DEFAULT false`,
undefined,
);
await queryRunner.query(
`CREATE INDEX "IDX_9937ea48d7ae97ffb4f3f063a4" ON "antenna_note" ("read") `,
undefined,
);
await queryRunner.query(
`COMMENT ON COLUMN "antenna_note"."noteId" IS 'The note ID.'`,
);
await queryRunner.query(
`COMMENT ON COLUMN "antenna_note"."antennaId" IS 'The antenna ID.'`,
);
}
}