Merge pull request #24847 from overleaf/em-chunks-index

Include closed chunks in active chunks index

GitOrigin-RevId: ff75959737908afa72cee2c2784abb476c115e80

services/web/migrations/20250411200550_active_chunk_index_update.mjs

@@ -0,0 +1,41 @@
+import Helpers from './lib/helpers.mjs'
+
+const tags = ['server-ce', 'server-pro', 'saas']
+
+const oldIndex = {
+  name: 'projectId_1_startVersion_1',
+  key: {
+    projectId: 1,
+    startVersion: 1,
+  },
+  unique: true,
+  partialFilterExpression: { state: 'active' },
+}
+
+const newIndex = {
+  name: 'projectId_1_startVersion_1_v2',
+  key: {
+    projectId: 1,
+    startVersion: 1,
+  },
+  unique: true,
+  partialFilterExpression: { state: { $in: ['active', 'closed'] } },
+}
+
+const migrate = async client => {
+  const { db } = client
+  await Helpers.addIndexesToCollection(db.projectHistoryChunks, [newIndex])
+  await Helpers.dropIndexesFromCollection(db.projectHistoryChunks, [oldIndex])
+}
+
+const rollback = async client => {
+  const { db } = client
+  await Helpers.addIndexesToCollection(db.projectHistoryChunks, [oldIndex])
+  await Helpers.dropIndexesFromCollection(db.projectHistoryChunks, [newIndex])
+}
+
+export default {
+  tags,
+  migrate,
+  rollback,
+}