fix: throw exception for data type mismatch for load_table_from_dataf…

…rame api

google/cloud/bigquery/_pandas_helpers.py

@@ -302,11 +302,15 @@ def bq_to_arrow_array(series, bq_field):
 
     field_type_upper = bq_field.field_type.upper() if bq_field.field_type else ""
 
-    if bq_field.mode.upper() == "REPEATED":
-        return pyarrow.ListArray.from_pandas(series, type=arrow_type)
-    if field_type_upper in schema._STRUCT_TYPES:
-        return pyarrow.StructArray.from_pandas(series, type=arrow_type)
-    return pyarrow.Array.from_pandas(series, type=arrow_type)
+    try:
+        if bq_field.mode.upper() == "REPEATED":
+            return pyarrow.ListArray.from_pandas(series, type=arrow_type)
+        if field_type_upper in schema._STRUCT_TYPES:
+            return pyarrow.StructArray.from_pandas(series, type=arrow_type)
+
+        return pyarrow.Array.from_pandas(series, type=arrow_type)
+    except pyarrow.lib.ArrowInvalid as ae:
+        raise ValueError(f"{str(ae)} for column {bq_field.name}")
 
 
 def get_column_or_index(dataframe, name):