UNION types boolean and integer cannot be matched

.github/workflows/rubyonrails.yml

@@ -173,3 +173,9 @@ jobs:
           if [[ "${{matrix.database_service}}" ]]; then
             sudo systemctl stop ${{matrix.engine}}
           fi
+      - name: Archive test.log
+        if: always()
+        uses: actions/upload-artifact@v4
+        with:
+          name: test.log
+          path: log/test.log

app/models/dmsf_query.rb

@@ -341,7 +341,7 @@ class DmsfQuery < Query
         projects.description AS description,
         '' AS comment,
         0 AS locked,
-        0 AS `system`,
+        0 AS "system",
         0 AS sort#{cf_columns}}).visible
     if dmsf_folder_id || deleted
       scope.none