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feat: allow queryJob.result() to be called on a dryRun #1015

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merged 3 commits into from Oct 13, 2021
Merged

feat: allow queryJob.result() to be called on a dryRun #1015

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b43a733
feat: allow queryJob.result() to be called on a dryRun
steffnay Oct 11, 2021
a6a859b
Merge branch 'main' of github.com:googleapis/python-bigquery into dry…
steffnay Oct 12, 2021
39f75a9
update to return EmptyRowIterator
steffnay Oct 12, 2021
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2 changes: 2 additions & 0 deletions google/cloud/bigquery/job/query.py
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Expand Up @@ -1318,6 +1318,8 @@ def result(
If Non-``None`` and non-default ``job_retry`` is
provided and the job is not retryable.
"""
if self.dry_run:
return _EmptyRowIterator()
try:
retry_do_query = getattr(self, "_retry_do_query", None)
if retry_do_query is not None:
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14 changes: 14 additions & 0 deletions tests/unit/job/test_query.py
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Expand Up @@ -26,6 +26,7 @@

from google.cloud.bigquery.client import _LIST_ROWS_FROM_QUERY_RESULTS_FIELDS
import google.cloud.bigquery.query
from google.cloud.bigquery.table import _EmptyRowIterator

from ..helpers import make_connection

Expand Down Expand Up @@ -989,6 +990,19 @@ def test_result(self):
[query_results_call, query_results_call, reload_call, query_page_call]
)

def test_result_dry_run(self):
job_resource = self._make_resource(started=True, location="EU")
job_resource["configuration"]["dryRun"] = True
conn = make_connection()
client = _make_client(self.PROJECT, connection=conn)
job = self._get_target_class().from_api_repr(job_resource, client)

result = job.result()

calls = conn.api_request.mock_calls
self.assertIsInstance(result, _EmptyRowIterator)
self.assertEqual(calls, [])
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Awesome! Thanks for checking that there were no API requests.


def test_result_with_done_job_calls_get_query_results(self):
query_resource_done = {
"jobComplete": True,
Expand Down