googleapis · tswast · Oct 17, 2023 · Oct 16, 2023 · Oct 17, 2023
@@ -225,7 +225,7 @@ def __getitem__(self, key: tuple) -> bigframes.core.scalar.Scalar:
            raise ValueError(error_message)
        if len(key) != 2:
            raise TypeError(error_message)
-        block: bigframes.core.blocks.Block = self._dataframe._block
+        block: bigframes.core.blocks.Block = self._dataframe._block  # type: ignore
        column_block = block.select_columns([block.value_columns[key[1]]])
        column = bigframes.series.Series(column_block)
        return column.iloc[key[0]]

@@ -25,7 +25,7 @@
 import third_party.bigframes_vendored.pandas.core.arrays.arrow.accessors as vendoracessors


-class StructField(bigframes.operations.UnaryOp):
+class _StructField(bigframes.operations.UnaryOp):
    def __init__(self, name_or_index: str | int):
        self._name_or_index = name_or_index

@@ -44,7 +44,7 @@ class StructAccessor(
    __doc__ = vendoracessors.StructAccessor.__doc__

    def field(self, name_or_index: str | int) -> bigframes.series.Series:
-        series = self._apply_unary_op(StructField(name_or_index))
+        series = self._apply_unary_op(_StructField(name_or_index))
        if isinstance(name_or_index, str):
            name = name_or_index
        else:

@@ -34,3 +34,11 @@ String handling
    :members:
    :inherited-members:
    :undoc-members:
+
+Struct handling
+^^^^^^^^^^^^^^^
+
+.. automodule:: bigframes.operations.structs
+    :members:
+    :inherited-members:
+    :undoc-members:
@@ -39,6 +39,8 @@
        uid: bigframes.operations.datetimes.DatetimeMethods
      - name: StringMethods
        uid: bigframes.operations.strings.StringMethods
+      - name: StructAccessor
+        uid: bigframes.operations.structs.StructAccessor
      name: Series
    - name: Window
      uid: bigframes.core.window.Window

@@ -22,6 +22,23 @@ class Series(NDFrame):  # type: ignore[misc]
    def dt(self):
        """
        Accessor object for datetime-like properties of the Series values.
+
+        Returns:
+            bigframes.operations.datetimes.DatetimeMethods:
+                An accessor containing datetime methods.
+
+        """
+        raise NotImplementedError(constants.ABSTRACT_METHOD_ERROR_MESSAGE)
+
+    @property
+    def struct(self):
+        """
+        Accessor object for struct properties of the Series values.
+
+        Returns:
+            bigframes.operations.structs.StructAccessor:
+                An accessor containing struct methods.
+
        """
        raise NotImplementedError(constants.ABSTRACT_METHOD_ERROR_MESSAGE)

@@ -1733,6 +1750,10 @@ def str(self):

        NAs stay NA unless handled otherwise by a particular method. Patterned
        after Python’s string methods, with some inspiration from R’s stringr package.
+
+        Returns:
+            bigframes.operations.strings.StringMethods:
+                An accessor containing string methods.
        """
        raise NotImplementedError(constants.ABSTRACT_METHOD_ERROR_MESSAGE)