docs: update Session doctrings to include exceptions (#1130)

Author: arwas11

bigframes/session/__init__.py

@@ -500,7 +500,7 @@ def read_gbq_query(
 
         Raises:
             ValueError:
-                When both columns (preferred) and col_order are specified.
+                When both ``columns`` and ``col_order`` are specified.
         """
         # NOTE: This method doesn't (yet) exist in pandas or pandas-gbq, so
         # these docstrings are inline.
@@ -552,7 +552,7 @@ def read_gbq_table(
 
         Raises:
             ValueError:
-                When both columns (preferred) and col_order are specified.
+                When both ``columns`` and ``col_order`` are specified.
         """
         # NOTE: This method doesn't (yet) exist in pandas or pandas-gbq, so
         # these docstrings are inline.

third_party/bigframes_vendored/pandas/io/gbq.py

@@ -160,6 +160,11 @@ def read_gbq(
             bigframes.exceptions.DefaultIndexWarning:
                 Using the default index is discouraged, such as with clustered
                 or partitioned tables without primary keys.
+            ValueError:
+                When both ``columns`` and ``col_order`` are specified.
+            ValueError:
+                If ``configuration`` is specified when directly reading
+                from a table.
 
         Returns:
             bigframes.pandas.DataFrame: A DataFrame representing results of the query or table.

third_party/bigframes_vendored/pandas/io/parsers/readers.py

@@ -237,5 +237,7 @@ def read_json(
             bigframes.exceptions.DefaultIndexWarning:
                 Using the default index is discouraged, such as with clustered
                 or partitioned tables without primary keys.
+            ValueError:
+                ``lines`` is only valid when ``orient`` is ``records``.
         """
         raise NotImplementedError(constants.ABSTRACT_METHOD_ERROR_MESSAGE)