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Marc-André Bombeck
211053d900
0440 adds its columns with ADD COLUMN IF NOT EXISTS like 0424 and 0432; a structural test holds every migration from 0422 on to that form. 0430 clears insights_cached_at where no sealed payload is left, so the nightly pregenerate refills an account whose only copy was the readable column instead of keeping an empty card fresh. The deploy runbook notes that 0430 drops a users column: an old process fails on its next full user read, so stop before starting rather than running old and new side by side.
72 lines
2.3 KiB
TypeScript
72 lines
2.3 KiB
TypeScript
/**
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* Migration 0430 drops the readable copy of the cached insights payload. A row
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* whose only copy was the readable one keeps no text afterwards, so the same
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* migration clears its `insights_cached_at` stamp: the nightly pregenerate
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* selects `insights_cached_at IS NULL OR < stale`, and a fresh stamp over an
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* empty cache would have kept the card empty for the whole staleness window.
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*
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* The schema here is already migrated; the statement is replayed from the
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* migration file against rows seeded in both shapes.
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*/
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import { readFileSync } from "node:fs";
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import { resolve } from "node:path";
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import { beforeEach, describe, expect, it } from "vitest";
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import { getPrismaClient, truncateAllTables } from "./setup";
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const MIGRATION = resolve(
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__dirname,
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"../../prisma/migrations/0430_drop_insights_cached_text/migration.sql",
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);
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function stampStatement(): string {
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const sql = readFileSync(MIGRATION, "utf8");
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const start = sql.indexOf('UPDATE "users"');
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if (start < 0) throw new Error("0430 carries no stamp reset");
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return sql.slice(start, sql.indexOf(";", start) + 1);
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}
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beforeEach(async () => {
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await truncateAllTables(getPrismaClient());
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});
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describe("migration 0430 clears the stamp of an emptied cache", () => {
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it("resets the stamp only where no sealed payload is left", async () => {
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const prisma = getPrismaClient();
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const stamp = new Date("2026-10-20T04:30:00Z");
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await prisma.user.create({
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data: {
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id: "emptied",
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username: "emptied",
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email: "emptied@example.test",
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role: "USER",
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insightsCachedAt: stamp,
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insightsCachedTextEncrypted: null,
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},
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});
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await prisma.user.create({
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data: {
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id: "sealed",
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username: "sealed",
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email: "sealed@example.test",
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role: "USER",
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insightsCachedAt: stamp,
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insightsCachedTextEncrypted: new Uint8Array([1, 2, 3]),
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},
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});
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await prisma.$executeRawUnsafe(stampStatement());
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const rows = await prisma.user.findMany({
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where: { id: { in: ["emptied", "sealed"] } },
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select: { id: true, insightsCachedAt: true },
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orderBy: { id: "asc" },
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});
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expect(rows).toEqual([
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{ id: "emptied", insightsCachedAt: null },
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{ id: "sealed", insightsCachedAt: stamp },
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]);
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});
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});
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