Update from_records to preserve columns on empty input and added test

Author: kpvenkat47

pandas/core/frame.py

@@ -2231,7 +2231,7 @@ def maybe_reorder(
 
         if is_iterator(data):
             if nrows == 0:
-                return cls()
+                return cls(columns=columns)
 
             try:
                 first_row = next(data)

pandas/tests/frame/test_constructors.py

@@ -2779,6 +2779,13 @@ def test_construction_nan_value_timedelta64_dtype(self):
             ["NaT", "0 days 00:00:00.000000001"], dtype="timedelta64[ns]"
         )
         tm.assert_frame_equal(result, expected)
+    
+    def test_from_records_empty_iterator_with_preserve_columns(self):
+        
+        rows = []
+        df = pd.DataFrame.from_records(iter(rows), columns=["col_1", "Col_2"], nrows=0)
+        assert list(df.columns) == ["col_1", "Col_2"]
+        assert len(df) == 0
 
 
 class TestDataFrameConstructorIndexInference: