fix(mongo): preserve document IDs during editing

apps/desktop/src/components/document/DocumentBrowser.vue

@@ -367,12 +367,6 @@ function buildElasticsearchInsertDocument(row: MongoInputValue[], columns: strin
   return doc;
 }
 
-function mongoIdPreview(val: unknown): string {
-  if (val === null || val === undefined) return "null";
-  if (typeof val === "string" && /^[a-fA-F0-9]{24}$/.test(val)) return `ObjectId("${val}")`;
-  return formatMongoShellLiteral(val);
-}
-
 function elasticsearchPathIdPreview(id: string): string {
   return encodeURIComponent(id);
 }
@@ -408,7 +402,7 @@ async function previewDocumentChanges(changes: DocumentGridChanges): Promise<str
       stmts.push(`POST /${coll}/_update/${elasticsearchPathIdPreview(String(id))}${elasticsearchRoutingPreview(routing)}\n${stringifyDocumentStoreValue({ doc: updateDoc.$set ?? updateDoc }, "elasticsearch", 2)}`);
     } else {
       const updateDoc = buildMongoUpdateDocument(dirtyCols, columns, documents.value[rowIdx]);
-      stmts.push(`db.${coll}.updateOne({_id: ${mongoIdPreview(documents.value[rowIdx]?._id ?? id)}}, ${formatMongoShellLiteral(updateDoc)})`);
+      stmts.push(`db.${coll}.updateOne({_id: ${formatMongoShellLiteral(documents.value[rowIdx]?._id ?? id)}}, ${formatMongoShellLiteral(updateDoc)})`);
     }
   }
 
@@ -420,7 +414,7 @@ async function previewDocumentChanges(changes: DocumentGridChanges): Promise<str
       const routing = documentRoutingFromGridRow(row, columns);
       stmts.push(`DELETE /${coll}/_doc/${elasticsearchPathIdPreview(String(id))}${elasticsearchRoutingPreview(routing)}`);
     } else {
-      stmts.push(`db.${coll}.deleteOne({_id: ${mongoIdPreview(documents.value[rowIdx]?._id ?? id)}})`);
+      stmts.push(`db.${coll}.deleteOne({_id: ${formatMongoShellLiteral(documents.value[rowIdx]?._id ?? id)}})`);
     }
   }
 

apps/desktop/src/components/layout/ContentArea.vue

@@ -382,11 +382,6 @@ type MongoQueryGridChanges = {
   columns: string[];
   rows: MongoInputValue[][];
 };
-function mongoIdPreview(val: unknown): string {
-  if (val === null || val === undefined) return "null";
-  if (typeof val === "string" && /^[a-fA-F0-9]{24}$/.test(val)) return `ObjectId("${val}")`;
-  return formatMongoShellLiteral(val);
-}
 function mongoCollectionExpression(collection: string): string {
   return `db.getCollection(${JSON.stringify(collection)})`;
 }
@@ -427,7 +422,7 @@ const mongoQueryResultSaveHandler = computed<CustomSaveHandler | undefined>(() =
       if (id === null || id === undefined || String(id).trim() === "") continue;
       const updateDoc = buildMongoUpdateDocument(dirtyCols, changes.columns, tab.result?.mongo_documents?.[rowIdx]);
       if (Object.keys(updateDoc).length === 0) continue;
-      stmts.push(`${mongoCollectionExpression(target.collection)}.updateOne({_id: ${mongoIdPreview(mongoQueryResultDocumentId(rowIdx, id))}}, ${formatMongoShellLiteral(updateDoc)})`);
+      stmts.push(`${mongoCollectionExpression(target.collection)}.updateOne({_id: ${formatMongoShellLiteral(mongoQueryResultDocumentId(rowIdx, id))}}, ${formatMongoShellLiteral(updateDoc)})`);
     }
     return stmts;
   };

apps/desktop/src/lib/mongo/mongoDocumentValues.ts

@@ -174,7 +174,7 @@ export function serializeMongoDocumentId(value: unknown): string {
 }
 
 export function mongoDocumentIdForGrid(value: unknown): MongoInputValue {
-  if (isMongoNumberLong(value)) return value.$numberLong;
+  if (isMongoExtendedJsonId(value)) return String(value.$numberLong ?? value.$oid);
   if (value === null || typeof value === "string" || typeof value === "number" || typeof value === "boolean") return value;
   return JSON.stringify(value);
 }
@@ -185,7 +185,3 @@ function isMongoExtendedJsonId(value: unknown): value is Record<string, unknown>
   const keys = Object.keys(object);
   return keys.length === 1 && (typeof object.$numberLong === "string" || typeof object.$oid === "string");
 }
-
-function isMongoNumberLong(value: unknown): value is { $numberLong: string } {
-  return !!value && typeof value === "object" && !Array.isArray(value) && Object.keys(value).length === 1 && typeof (value as Record<string, unknown>).$numberLong === "string";
-}

crates/dbx-core/src/db/mongo_driver.rs

@@ -1341,8 +1341,10 @@ fn bson_to_json(bson: &Bson) -> serde_json::Value {
 
 fn bson_document_field_to_json(key: &str, bson: &Bson) -> serde_json::Value {
     if key == "_id" {
-        if let Bson::Int64(value) = bson {
+        match bson {
-            return serde_json::json!({ "$numberLong": value.to_string() });
+            Bson::Int64(value) => return serde_json::json!({ "$numberLong": value.to_string() }),
+            Bson::ObjectId(value) => return serde_json::json!({ "$oid": value.to_hex() }),
+            _ => {}
         }
     }
     bson_to_json(bson)
@@ -1870,6 +1872,16 @@ mod tests {
         assert_eq!(value["snowflake"], serde_json::json!("2048938405781032962"));
     }
 
+    #[test]
+    fn bson_to_json_preserves_object_id_type_for_updates() {
+        let oid = ObjectId::parse_str("507f1f77bcf86cd799439011").unwrap();
+        let value = bson_to_json(&Bson::Document(doc! {
+            "_id": Bson::ObjectId(oid),
+        }));
+
+        assert_eq!(value["_id"], serde_json::json!({ "$oid": "507f1f77bcf86cd799439011" }));
+    }
+
     #[test]
     fn bson_to_json_keeps_safe_int64_as_number() {
         let value = bson_to_json(&Bson::Int64(42));

packages/app-tests/mongoDocumentValues.test.ts

@@ -222,13 +222,18 @@ test("formats extended JSON dates as Mongo shell ISODate literals", () => {
 
 test("formats extended JSON object ids as Mongo shell ObjectId literals", () => {
   assert.equal(formatMongoShellLiteral({ $oid: "6743e4bfa3f6f84bc3fff6c8" }), 'ObjectId("6743e4bfa3f6f84bc3fff6c8")');
+  assert.equal(formatMongoShellLiteral("6743e4bfa3f6f84bc3fff6c8"), '"6743e4bfa3f6f84bc3fff6c8"');
 });
 
 test("serializes typed Mongo document ids while keeping their grid display compact", () => {
-  const id = { $numberLong: "2048938405781032962" };
+  const longId = { $numberLong: "2048938405781032962" };
-  assert.equal(serializeMongoDocumentId(id), '{"$numberLong":"2048938405781032962"}');
+  const objectId = { $oid: "6743e4bfa3f6f84bc3fff6c8" };
-  assert.equal(mongoDocumentIdForGrid(id), "2048938405781032962");
+  assert.equal(serializeMongoDocumentId(longId), '{"$numberLong":"2048938405781032962"}');
-  assert.equal(serializeMongoDocumentId({ $oid: "6743e4bfa3f6f84bc3fff6c8" }), '{"$oid":"6743e4bfa3f6f84bc3fff6c8"}');
+  assert.equal(mongoDocumentIdForGrid(longId), "2048938405781032962");
+  assert.equal(serializeMongoDocumentId(objectId), '{"$oid":"6743e4bfa3f6f84bc3fff6c8"}');
+  assert.equal(mongoDocumentIdForGrid(objectId), "6743e4bfa3f6f84bc3fff6c8");
+  assert.equal(serializeMongoDocumentId(42), "42");
+  assert.equal(serializeMongoDocumentId(42.5), "42.5");
   assert.equal(serializeMongoDocumentId("2048938405781032962"), '__dbx_mongo_string_id__"2048938405781032962"');
   assert.equal(serializeMongoDocumentId('{"$numberLong":"2048938405781032962"}'), '__dbx_mongo_string_id__"{\\"$numberLong\\":\\"2048938405781032962\\"}"');
 });

packages/app-tests/mongoShellCommand.test.ts

@@ -626,12 +626,24 @@ test("mongoDocumentsToQueryResult turns mongo documents into grid rows", () => {
   assert.equal(result.truncated, true);
 });
 
-test("mongoDocumentsToQueryResult displays typed int64 ids without losing raw type metadata", () => {
+test("mongoDocumentsToQueryResult displays ids without losing raw type metadata", () => {
-  const id = { $numberLong: "2048938405781032962" };
+  const documents = [
-  const result = mongoDocumentsToQueryResult([{ _id: id, name: "snowflake" }], 1, 1);
+    { _id: { $oid: "6743e4bfa3f6f84bc3fff6c8" }, name: "object id" },
+    { _id: { $numberLong: "2048938405781032962" }, name: "int64" },
+    { _id: 42, name: "int" },
+    { _id: 42.5, name: "double" },
+    { _id: "customer-42", name: "string" },
+  ];
+  const result = mongoDocumentsToQueryResult(documents, documents.length, documents.length);
 
-  assert.deepEqual(result.rows, [["2048938405781032962", "snowflake"]]);
+  assert.deepEqual(result.rows, [
-  assert.deepEqual(result.mongo_documents, [{ _id: id, name: "snowflake" }]);
+    ["6743e4bfa3f6f84bc3fff6c8", "object id"],
+    ["2048938405781032962", "int64"],
+    [42, "int"],
+    [42.5, "double"],
+    ["customer-42", "string"],
+  ]);
+  assert.deepEqual(result.mongo_documents, documents);
 });
 
 test("buildMongoUpdateDocument ignores _id and preserves typed values", () => {