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docs(bigquery): document how to load data as JSON string #9231

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Sep 26, 2019
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docs(bigquery): document how to load data as JSON string #9231

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16 changes: 16 additions & 0 deletions bigquery/google/cloud/bigquery/client.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1644,6 +1644,22 @@ def load_table_from_json(
json_rows (Iterable[Dict[str, Any]]):
Row data to be inserted. Keys must match the table schema fields
and values must be JSON-compatible representations.

.. note::

If your data is already a newline-delimited JSON string,
it is best to wrap it into a file-like object and pass it
to :meth:`~google.cloud.bigquery.client.Client.load_table_from_file`::

import io
from google.cloud import bigquery

data = u'{"foo": "bar"}'
data_as_file = io.StringIO(data)

client = bigquery.Client()
client.load_table_from_file(data_as_file, ...)

destination (Union[ \
:class:`~google.cloud.bigquery.table.Table`, \
:class:`~google.cloud.bigquery.table.TableReference`, \
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