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24 changes: 24 additions & 0 deletions bigframes/session/__init__.py
Original file line number Diff line number Diff line change
Expand Up @@ -477,6 +477,14 @@ def read_gbq_query(
[2 rows x 3 columns]

See also: :meth:`Session.read_gbq`.

Returns:
bigframes.pandas.DataFrame:
A DataFrame representing results of the query or table.

Raises:
ValueError:
When both columns (preferred) and col_order are specified.
"""
# NOTE: This method doesn't (yet) exist in pandas or pandas-gbq, so
# these docstrings are inline.
Expand Down Expand Up @@ -521,6 +529,14 @@ def read_gbq_table(
>>> df = bpd.read_gbq_table("bigquery-public-data.ml_datasets.penguins")

See also: :meth:`Session.read_gbq`.

Returns:
bigframes.pandas.DataFrame:
A DataFrame representing results of the query or table.

Raises:
ValueError:
When both columns (preferred) and col_order are specified.
"""
# NOTE: This method doesn't (yet) exist in pandas or pandas-gbq, so
# these docstrings are inline.
Expand Down Expand Up @@ -557,6 +573,10 @@ def read_gbq_table_streaming(
>>> bpd.options.display.progress_bar = None

>>> sdf = bst.read_gbq_table("bigquery-public-data.ml_datasets.penguins")

Returns:
bigframes.streaming.dataframe.StreamingDataFrame:
A StreamingDataFrame representing results of the table.
"""
warnings.warn(
"The bigframes.streaming module is a preview feature, and subject to change.",
Expand Down Expand Up @@ -654,6 +674,10 @@ def read_pandas(

Returns:
An equivalent bigframes.pandas.(DataFrame/Series/Index) object

Raises:
ValueError:
When the object is not a Pandas DataFrame.
"""
import bigframes.series as series

Expand Down
2 changes: 1 addition & 1 deletion third_party/bigframes_vendored/pandas/io/gbq.py
Original file line number Diff line number Diff line change
Expand Up @@ -162,6 +162,6 @@ def read_gbq(
or partitioned tables without primary keys.

Returns:
bigframes.dataframe.DataFrame: A DataFrame representing results of the query or table.
bigframes.pandas.DataFrame: A DataFrame representing results of the query or table.
"""
raise NotImplementedError(constants.ABSTRACT_METHOD_ERROR_MESSAGE)
2 changes: 1 addition & 1 deletion third_party/bigframes_vendored/pandas/io/parquet.py
Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,6 @@ def read_parquet(
order is not preserved. Default, ``'auto'``.

Returns:
bigframes.dataframe.DataFrame: A BigQuery DataFrames.
bigframes.pandas.DataFrame: A BigQuery DataFrames.
"""
raise NotImplementedError(constants.ABSTRACT_METHOD_ERROR_MESSAGE)
15 changes: 12 additions & 3 deletions third_party/bigframes_vendored/pandas/io/parsers/readers.py
Original file line number Diff line number Diff line change
Expand Up @@ -145,9 +145,13 @@ def read_csv(
**kwargs:
keyword arguments for `pandas.read_csv` when not using the BigQuery engine.


Returns:
bigframes.dataframe.DataFrame: A BigQuery DataFrames.
bigframes.pandas.DataFrame: A BigQuery DataFrames.

Raises:
bigframes.exceptions.DefaultIndexWarning:
Using the default index is discouraged, such as with clustered
or partitioned tables without primary keys.
"""
raise NotImplementedError(constants.ABSTRACT_METHOD_ERROR_MESSAGE)

Expand Down Expand Up @@ -226,7 +230,12 @@ def read_json(
keyword arguments for `pandas.read_json` when not using the BigQuery engine.

Returns:
bigframes.dataframe.DataFrame:
bigframes.pandas.DataFrame:
The DataFrame representing JSON contents.

Raises:
bigframes.exceptions.DefaultIndexWarning:
Using the default index is discouraged, such as with clustered
or partitioned tables without primary keys.
"""
raise NotImplementedError(constants.ABSTRACT_METHOD_ERROR_MESSAGE)
2 changes: 1 addition & 1 deletion third_party/bigframes_vendored/pandas/io/pickle.py
Original file line number Diff line number Diff line change
Expand Up @@ -64,7 +64,7 @@ def read_pickle(
examples on storage options refer here.

Returns:
bigframes.dataframe.DataFrame or bigframes.series.Series: same type as object
bigframes.pandas.DataFrame or bigframes.pandas.Series: same type as object
stored in file.
"""
raise NotImplementedError(constants.ABSTRACT_METHOD_ERROR_MESSAGE)