add print to understand where to change the code

app/server/lib/ActiveDoc.ts

@@ -2509,6 +2509,9 @@ export class ActiveDoc extends EventEmitter {
   private async _fetchQueryFromDB(query: ServerQuery, onDemand: boolean): Promise<TableDataAction> {
     // Expand query to compute formulas (or include placeholders for them).
     const expandedQuery = expandQuery(query, this.docData!, onDemand);
+    console.log("--------------fetchQueryFromDB----------------------");
+    console.log(expandedQuery);
+    console.log(this.docData!);
     const marshalled = await this.docStorage.fetchQuery(expandedQuery);
     const table = this.docStorage.decodeMarshalledData(marshalled, query.tableId);
 
@@ -2523,6 +2526,8 @@ export class ActiveDoc extends EventEmitter {
   }
 
   private async _fetchQueryFromDataEngine(query: ServerQuery): Promise<TableDataAction> {
+    console.log("--------------_fetchQueryFromDataEngine----------------------");
+    console.log(await this._pyCall('fetch_table', query.tableId, true, query.filters));
     return this._pyCall('fetch_table', query.tableId, true, query.filters);
   }
 

app/server/lib/DocApi.ts

@@ -208,6 +208,9 @@ export class DocWorkerApi {
         session, {tableId, filters}, !immediate));
       // For metaTables we don't need to specify columns, search will infer it from the sort expression.
       const isMetaTable = tableId.startsWith('_grist');
+      console.log("////////////////////////////// in getTableData");
+      console.log("---- tableData");
+      console.log(tableData);
       const columns = isMetaTable ? null :
         await handleSandboxError('', [], activeDoc.getTableCols(session, tableId, true));
       const params = getQueryParameters(req);
@@ -217,9 +220,13 @@ export class DocWorkerApi {
     }
 
     async function getTableRecords(
-      activeDoc: ActiveDoc, req: RequestWithLogin, opts?: { optTableId?: string; includeHidden?: boolean }
+      activeDoc: ActiveDoc,
+      req: RequestWithLogin,
+      opts?: { optTableId?: string; includeHidden?: boolean, useColRef?: boolean }
     ): Promise<TableRecordValue[]> {
       const columnData = await getTableData(activeDoc, req, opts?.optTableId);
+      console.log("------------------- colummnDATA in getTableRecords");
+      console.log(columnData);
       const fieldNames = Object.keys(columnData).filter((k) => {
         if (k === "id") {
           return false;
@@ -257,7 +264,7 @@ export class DocWorkerApi {
     this._app.get('/api/docs/:docId/tables/:tableId/records', canView,
       withDoc(async (activeDoc, req, res) => {
         const records = await getTableRecords(activeDoc, req,
-          { includeHidden: isAffirmative(req.query.hidden) }
+          { includeHidden: isAffirmative(req.query.hidden), useColRef: isAffirmative(req.query.use_col_ref) }
         );
         res.json({records});
       })

sandbox/grist/engine.py

@@ -383,6 +383,7 @@ def fetch_table(self, table_id, formulas=True, private=False, query=None):
     """
     Returns TableData object representing all data in this table.
     """
+    print("Je suis dans le fichier de PYTHON YOUHOUUUUUUU", file=sys.stderr)
     table = self.tables[table_id]
     column_values = {}