From ca9adbb0907cf8dc776303052d3fa85380b0814f Mon Sep 17 00:00:00 2001
From: Wing-Kam Wong <wingkwong.code@gmail.com>
Date: Wed, 15 Feb 2023 23:24:02 +0800
Subject: [PATCH] refactor(nocodb): check filter.fk_column_id & is_group

---
 .../src/lib/version-upgrader/ncFilterUpgrader_0104004.ts     | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/packages/nocodb/src/lib/version-upgrader/ncFilterUpgrader_0104004.ts b/packages/nocodb/src/lib/version-upgrader/ncFilterUpgrader_0104004.ts
index efb644ad57..7cbb29fd56 100644
--- a/packages/nocodb/src/lib/version-upgrader/ncFilterUpgrader_0104004.ts
+++ b/packages/nocodb/src/lib/version-upgrader/ncFilterUpgrader_0104004.ts
@@ -236,11 +236,10 @@ async function migrateFilters(ncMeta: NcMetaIO) {
   const filters = await ncMeta.metaList2(null, null, MetaTable.FILTER_EXP);
   let actions = [];
   for (const filter of filters) {
-    const col = await Column.get({ colId: filter.fk_column_id }, ncMeta);
-    if (!col || !col.uidt) {
-      // column not found -> skip
+    if (!filter.fk_column_id || filter.is_group) {
       continue;
     }
+    const col = await Column.get({ colId: filter.fk_column_id }, ncMeta);
     if (
       [
         UITypes.SingleLineText,