Cloud-Architect-Emma commented on code in PR #40190:
URL: https://github.com/apache/superset/pull/40190#discussion_r3252848286


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superset/common/utils/dataframe_utils.py:
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@@ -57,7 +57,7 @@ def df_metrics_to_num(df: pd.DataFrame, query_object: 
QueryObject) -> None:
         if dtype.type == np.object_ and col in query_object.metric_names:
             # soft-convert a metric column to numeric
             # will stay as strings if conversion fails
-            df[col] = df[col].infer_objects()
+            df[col] = pd.to_numeric(df[col], errors="ignore")

Review Comment:
   Good catch! Updated to use errors="coerce" so valid numeric strings 
   are converted and invalid values become NaN rather than leaving the 
   entire column as object type.



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