Use query count() and explain_no_results() methods to have better rep…

…orting
lsst · Jul 1, 2022 · b15aecd · b15aecd
1 parent 7eaef71
commit b15aecd
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/python/lsst/daf/butler/script/queryDataIds.py b/python/lsst/daf/butler/script/queryDataIds.py
@@ -113,8 +113,8 @@ def queryDataIds(repo, dimensions, datasets, where, collections, order_by, limit
             offset = None
         results.limit(limit, offset)
 
-    if len(results.graph) > 0:
+    if results.count() > 0:
         table = _Table(results)
         return table.getAstropyTable(not order_by), None
     else:
-        return None, None
+        return None, "\n".join(results.explain_no_results())