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docs: add limitation note for loading REPEATED fields #35

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plamut merged 1 commit into from
Feb 10, 2020
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docs: add limitation note for loading REPEATED fields #35

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8 changes: 8 additions & 0 deletions google/cloud/bigquery/client.py
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Expand Up @@ -1712,6 +1712,14 @@ def load_table_from_dataframe(
Similar to :meth:`load_table_from_uri`, this method creates, starts and
returns a :class:`~google.cloud.bigquery.job.LoadJob`.

.. note::

Due to the way REPEATED fields are encoded in the ``parquet`` file
format, a mismatch with the existing table schema can occur, and
100% compatibility cannot be guaranteed for REPEATED fields.

https://github.com/googleapis/python-bigquery/issues/17

Arguments:
dataframe (pandas.DataFrame):
A :class:`~pandas.DataFrame` containing the data to load.
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