feat(ql3): establish 3.0 incubation baseline

back/migrations/0006-run-attempt-deadline.ts

@@ -0,0 +1,48 @@
+import { createHash } from 'crypto';
+import { DataTypes } from 'sequelize';
+import { RUN_ATTEMPT_TABLE } from './0002-run-schema';
+import type { Migration } from './types';
+
+export const RUN_ATTEMPT_DEADLINE_INDEX = 'run_attempt_status_deadline_idx';
+
+const manifest = {
+  table: RUN_ATTEMPT_TABLE,
+  columns: {
+    deadline_at_ms: 'bigint null',
+  },
+  indexes: [`${RUN_ATTEMPT_DEADLINE_INDEX}(status,deadline_at_ms,id)`],
+};
+
+export const runAttemptDeadlineManifest = manifest;
+
+export const runAttemptDeadlineMigration: Migration = {
+  id: '0006-run-attempt-deadline',
+  checksum: createHash('sha256').update(JSON.stringify(manifest)).digest('hex'),
+  async up({ queryInterface, transaction }) {
+    const tables = new Set(await queryInterface.showAllTables());
+    if (!tables.has(RUN_ATTEMPT_TABLE)) return;
+
+    const columns = await queryInterface.describeTable(RUN_ATTEMPT_TABLE);
+    if (!columns.deadline_at_ms) {
+      await queryInterface.addColumn(
+        RUN_ATTEMPT_TABLE,
+        'deadline_at_ms',
+        { type: DataTypes.BIGINT, allowNull: true },
+        { transaction },
+      );
+    }
+
+    const currentIndexes = (await queryInterface.showIndex(RUN_ATTEMPT_TABLE, {
+      transaction,
+    })) as Array<{ name: string }>;
+    if (
+      !currentIndexes.some((index) => index.name === RUN_ATTEMPT_DEADLINE_INDEX)
+    ) {
+      await queryInterface.addIndex(
+        RUN_ATTEMPT_TABLE,
+        ['status', 'deadline_at_ms', 'id'],
+        { name: RUN_ATTEMPT_DEADLINE_INDEX, transaction },
+      );
+    }
+  },
+};