FIX-#5188: Fix getitem_bool when the key is Series with empty partition

Signed-off-by: Igoshev, Iaroslav <iaroslav.igoshev@intel.com>

modin/core/storage_formats/pandas/query_compiler.py

@@ -2182,7 +2182,9 @@ def applyier(df, internal_indices, other=[], internal_other_indices=[]):
     # __getitem__ methods
     __getitem_bool = Binary.register(
         # r is usually a list, but when r.size == 1, the array is squeezed to a scalar
-        lambda df, r: df[r] if r.size > 1 else df[[r]],
+        lambda df, r: df[r]
+        if r.size > 1 or isinstance(r, (pandas.Series, pandas.DataFrame)) and r.empty
+        else df[[r]],
         join_type="left",
         labels="drop",
     )

modin/pandas/test/dataframe/test_indexing.py

@@ -40,7 +40,7 @@
     extra_test_parameters,
     default_to_pandas_ignore_string,
 )
-from modin.config import NPartitions
+from modin.config import NPartitions, MinPartitionSize
 from modin.utils import get_current_execution
 from modin.test.test_utils import warns_that_defaulting_to_pandas
 from modin.pandas.indexing import is_range_like
@@ -2214,6 +2214,31 @@ def test__getitem_bool_single_row_dataframe():
     eval_general(pd, pandas, lambda lib: lib.DataFrame([1])[lib.Series([True])])
 
 
+def test__getitem_bool_with_empty_partition():
+    # This test case comes from
+    # https://github.com/modin-project/modin/issues/5188
+
+    size = MinPartitionSize.get()
+
+    pandas_series = pandas.Series([True if i % 2 else False for i in range(size)])
+    modin_series = pd.Series(pandas_series)
+
+    pandas_df = pandas.DataFrame([i for i in range(size + 1)])
+    pandas_df.iloc[size] = np.nan
+    modin_df = pd.DataFrame(pandas_df)
+
+    pandas_tmp_result = pandas_df.dropna()
+    modin_tmp_result = modin_df.dropna()
+
+    eval_general(
+        modin_tmp_result,
+        pandas_tmp_result,
+        lambda df: df[modin_series]
+        if isinstance(df, pd.DataFrame)
+        else df[pandas_series],
+    )
+
+
 # This is a very subtle bug that comes from:
 # https://github.com/modin-project/modin/issues/4945
 def test_lazy_eval_index():