fix: Fix issue mishandling chunked array while loading data (#2051)

Author: TrevorBergeron

bigframes/core/local_data.py

@@ -277,7 +277,10 @@ def _adapt_pandas_series(
         )
         return pa.array(series, type=pa.string()), bigframes.dtypes.GEO_DTYPE
     try:
-        return _adapt_arrow_array(pa.array(series))
+        pa_arr = pa.array(series)
+        if isinstance(pa_arr, pa.ChunkedArray):
+            return _adapt_chunked_array(pa_arr)
+        return _adapt_arrow_array(pa_arr)
     except pa.ArrowInvalid as e:
         if series.dtype == np.dtype("O"):
             try:

tests/system/small/test_dataframe.py

@@ -138,6 +138,16 @@ def test_df_construct_structs(session):
     )
 
 
+def test_df_construct_local_concat_pd(scalars_pandas_df_index, session):
+    pd_df = pd.concat([scalars_pandas_df_index, scalars_pandas_df_index])
+
+    bf_df = session.read_pandas(pd_df)
+
+    pd.testing.assert_frame_equal(
+        bf_df.to_pandas(), pd_df, check_index_type=False, check_dtype=False
+    )
+
+
 def test_df_construct_pandas_set_dtype(scalars_dfs):
     columns = [
         "int64_too",