QmlDesigner: Remove potentially excessive values from dataStore records

Change-Id: Ib2606fc50662b7724ae2ba11d21264334638bec9
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@qt.io>
Reviewed-by: Qt CI Patch Build Bot <ci_patchbuild_bot@qt.io>

1 files changed, 7 insertions, 2 deletions

diff --git a/src/plugins/qmldesigner/components/collectioneditor/collectiondetails.cpp b/src/plugins/qmldesigner/components/collectioneditor/collectiondetails.cpp
index f1827ee6be..4acd2f601a 100644
--- a/src/plugins/qmldesigner/components/collectioneditor/collectiondetails.cpp
+++ b/src/plugins/qmldesigner/components/collectioneditor/collectiondetails.cpp
@@ -853,8 +853,13 @@ CollectionDetails CollectionDetails::fromLocalCollection(const QJsonObject &loca
 
             if (int columnsCount = result.columns()) {
                 const QJsonArray dataRecords = localCollection.value("data").toArray();
-                for (const QJsonValue &dataRecordValue : dataRecords)
-                    result.insertRecords(dataRecordValue.toArray());
+                for (const QJsonValue &dataRecordValue : dataRecords) {
+                    QJsonArray dataRecord = dataRecordValue.toArray();
+                    while (dataRecord.count() > columnsCount)
+                        dataRecord.removeLast();
+
+                    result.insertRecords(dataRecord);
+                }
             }
         } else {
             setError(CollectionParseError::ColumnsBlockIsNotArray);