fix(mongodb): preserve BSON dates in copied inserts

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

@@ -55,6 +55,7 @@ type JsonRecord = Record<string, unknown>;
 type ViewMode = "document" | "table";
 
 const documents = ref<JsonRecord[]>([]);
+const copyDocuments = ref<JsonRecord[]>([]);
 const lastGridColumns = ref<string[]>([]);
 const total = ref(0);
 const loading = ref(false);
@@ -172,7 +173,7 @@ const gridResult = computed<QueryResult>(() => {
     }),
   );
 
-  return { columns, rows, mongo_documents: docs, affected_rows: 0, execution_time_ms: 0, truncated: false };
+  return { columns, rows, mongo_documents: docs, mongo_copy_documents: copyDocuments.value, affected_rows: 0, execution_time_ms: 0, truncated: false };
 });
 const documentFilterFieldOptions = computed(() => gridResult.value.columns);
 const documentStructuredFilterCount = computed(() => (appliedDocumentFilter.value ? 1 : 0));
@@ -487,7 +488,9 @@ async function load() {
             }
           })
         : result.documents.map(asRecord);
+    const nextCopyDocuments = result.extended_documents?.length === nextDocuments.length ? result.extended_documents.map(asRecord) : nextDocuments;
     documents.value = nextDocuments;
+    copyDocuments.value = nextCopyDocuments;
     if (nextDocuments.length > 0) {
       const keySet = new Set<string>();
       keySet.add("_id");

apps/desktop/src/components/grid/DataGrid.vue

@@ -6651,7 +6651,7 @@ const {
   database: computed(() => props.executionDatabase ?? props.database),
   context: computed(() => props.context),
   sourceColumns: visibleSourceColumns,
-  mongoDocuments: computed(() => props.result.mongo_documents),
+  mongoDocuments: computed(() => props.result.mongo_copy_documents ?? props.result.mongo_documents),
   columnTypes: visibleColumnTypes,
   whereInput: computed(() => currentWhereInput()),
   orderBy: computed(() => currentOrderBy()),

apps/desktop/src/composables/__tests__/useDataGridExport.spec.ts

@@ -212,10 +212,10 @@ describe("useDataGridExport prepared row statements", () => {
   });
 
   it("preserves original Mongo string types in INSERT and applies explicit edits", async () => {
-    const item = { ...row(["123", "true", '{"kind":"literal"}', "2024-01-01 00:00:00", '{"role":"maintainer"}']), sourceIndex: 0 };
-    item.isDirtyCol = [false, false, false, false, true];
+    const item = { ...row(["123", "true", '{"kind":"literal"}', "2024-01-01 00:00:00", '{"role":"maintainer"}', 'ISODate("2025-05-06T08:35:32Z")']), sourceIndex: 0 };
+    item.isDirtyCol = [false, false, false, false, true, false];
     const state = createMongoExportState({
-      columns: ["numericText", "booleanText", "jsonText", "dateText", "profile"],
+      columns: ["numericText", "booleanText", "jsonText", "dateText", "profile", "lastUpdatedDate"],
       item,
       mongoDocuments: [
         {
@@ -224,12 +224,22 @@ describe("useDataGridExport prepared row statements", () => {
           jsonText: '{"kind":"literal"}',
           dateText: "2024-01-01 00:00:00",
           profile: { role: "admin" },
+          lastUpdatedDate: { $date: "2025-05-06T08:35:32Z" },
         },
       ],
     });
 
     await state.copyRowAsInsert();
 
-    expect(copyToClipboard).toHaveBeenCalledWith('db.getCollection("documents").insert({"numericText":"123","booleanText":"true","jsonText":"{\\"kind\\":\\"literal\\"}","dateText":"2024-01-01 00:00:00","profile":{"role":"maintainer"}});');
+    expect(copyToClipboard).toHaveBeenCalledWith(`db.getCollection("documents").insert({
+  "numericText": "123",
+  "booleanText": "true",
+  "jsonText": "{\\"kind\\":\\"literal\\"}",
+  "dateText": "2024-01-01 00:00:00",
+  "profile": {
+    "role": "maintainer"
+  },
+  "lastUpdatedDate": ISODate("2025-05-06T08:35:32Z")
+});`);
   });
 });

apps/desktop/src/composables/useDataGridExport.ts

@@ -13,6 +13,7 @@ import { uuid } from "@/lib/common/utils";
 import { useSettingsStore } from "@/stores/settingsStore";
 import { expandNestedJsonStringsForCopy } from "@/lib/common/jsonCopyValue";
 import { buildMongoCopyDocumentFromOriginal, buildMongoCopyInsertDocument, formatMongoShellLiteral, type MongoInputValue } from "@/lib/mongo/mongoDocumentValues";
+import { formatMongoShellText } from "@/lib/mongo/mongoFormatter";
 import type { DatabaseType, QueryResult } from "@/types/database";
 import type { QueryResultExportRequest } from "@/lib/backend/api";
 import { usesSyntheticRowIdKey } from "@/lib/table/tableEditing";
@@ -352,15 +353,17 @@ export function useDataGridExport(options: UseDataGridExportOptions) {
     const promise = Promise.resolve().then(async () => {
       const statement =
         databaseType.value === "mongodb"
-          ? buildMongoCopyInsertStatement({
-              collection: copyInsertTargetLabel?.value || tableMeta.value?.tableName || "collection",
-              columns: columns.value,
-              sourceColumns: sourceColumns.value,
-              rows,
-              mongoDocuments: options.mongoDocuments?.value,
-              excludePrimaryKeys,
-              insertMode,
-            })
+          ? formatMongoCopyInsertStatement(
+              buildMongoCopyInsertStatement({
+                collection: copyInsertTargetLabel?.value || tableMeta.value?.tableName || "collection",
+                columns: columns.value,
+                sourceColumns: sourceColumns.value,
+                rows,
+                mongoDocuments: options.mongoDocuments?.value,
+                excludePrimaryKeys,
+                insertMode,
+              }),
+            )
           : await buildDataGridCopyInsertStatement({
               databaseType: databaseType.value,
               tableMeta: tableMeta.value,
@@ -1375,6 +1378,15 @@ function buildMongoCopyInsertStatement(options: { collection: string; columns: s
   return `${collection}.insertMany(${formatMongoShellLiteral(documents)});`;
 }
 
+function formatMongoCopyInsertStatement(statement: string | undefined): string | undefined {
+  if (!statement) return undefined;
+  try {
+    return formatMongoShellText(statement);
+  } catch {
+    return statement;
+  }
+}
+
 function compactLocalTimestamp(date = new Date()): string {
   const yy = String(date.getFullYear() % 100).padStart(2, "0");
   const month = String(date.getMonth() + 1).padStart(2, "0");

apps/desktop/src/lib/backend/tauri.ts

@@ -1752,6 +1752,7 @@ export async function zookeeperDelete(connectionId: string, key: string): Promis
 export interface MongoDocumentResult {
   documents: any[];
   raw_documents?: string[];
+  extended_documents?: any[];
   total: number;
 }
 

apps/desktop/src/types/database.ts

@@ -515,6 +515,8 @@ export interface QueryResult {
    * preview. This is populated only for MongoDB document query results.
    */
   mongo_documents?: unknown[];
+  /** Type-preserving Extended JSON documents used when copying MongoDB values. */
+  mongo_copy_documents?: unknown[];
   affected_rows: number;
   execution_time_ms: number;
   truncated?: boolean;