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fix: allow partial streaming_buffer statistics #37

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Merged
shollyman merged 6 commits into from
Feb 14, 2020
Merged

fix: allow partial streaming_buffer statistics #37

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236db9a
fix: allow partial streaming_buffer statistics.
shollyman Feb 13, 2020
320aee3
lint / blacken
shollyman Feb 13, 2020
e17f828
change checks to avoid KeyError
shollyman Feb 13, 2020
71270ef
Fallback to None rather than a missing attribute
shollyman Feb 14, 2020
04b2bee
add another test variant
shollyman Feb 14, 2020
6d1ad30
assertion
shollyman Feb 14, 2020
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17 changes: 11 additions & 6 deletions google/cloud/bigquery/table.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1139,12 +1139,17 @@ class StreamingBuffer(object):
"""

def __init__(self, resource):
self.estimated_bytes = int(resource["estimatedBytes"])
self.estimated_rows = int(resource["estimatedRows"])
# time is in milliseconds since the epoch.
self.oldest_entry_time = google.cloud._helpers._datetime_from_microseconds(
1000.0 * int(resource["oldestEntryTime"])
)
self.estimated_bytes = None
if "estimatedBytes" in resource:
self.estimated_bytes = int(resource["estimatedBytes"])
self.estimated_rows = None
if "estimatedRows" in resource:
self.estimated_rows = int(resource["estimatedRows"])
self.oldest_entry_time = None
if "oldestEntryTime" in resource:
self.oldest_entry_time = google.cloud._helpers._datetime_from_microseconds(
1000.0 * int(resource["oldestEntryTime"])
)


class Row(object):
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23 changes: 23 additions & 0 deletions tests/unit/test_table.py
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Original file line number Diff line number Diff line change
Expand Up @@ -855,6 +855,29 @@ def test_from_api_repr_w_properties(self):
table = klass.from_api_repr(RESOURCE)
self._verifyResourceProperties(table, RESOURCE)

def test_from_api_repr_w_partial_streamingbuffer(self):
import datetime
from google.cloud._helpers import UTC
from google.cloud._helpers import _millis

RESOURCE = self._make_resource()
self.OLDEST_TIME = datetime.datetime(2015, 8, 1, 23, 59, 59, tzinfo=UTC)
RESOURCE["streamingBuffer"] = {"oldestEntryTime": _millis(self.OLDEST_TIME)}
klass = self._get_target_class()
table = klass.from_api_repr(RESOURCE)
self.assertIsNotNone(table.streaming_buffer)
self.assertIsNone(table.streaming_buffer.estimated_rows)
self.assertIsNone(table.streaming_buffer.estimated_bytes)
self.assertEqual(table.streaming_buffer.oldest_entry_time, self.OLDEST_TIME)
# Another partial construction
RESOURCE["streamingBuffer"] = {"estimatedRows": 1}
klass = self._get_target_class()
table = klass.from_api_repr(RESOURCE)
self.assertIsNotNone(table.streaming_buffer)
self.assertEqual(table.streaming_buffer.estimated_rows, 1)
self.assertIsNone(table.streaming_buffer.estimated_bytes)
self.assertIsNone(table.streaming_buffer.oldest_entry_time)

def test_from_api_with_encryption(self):
self._setUpConstants()
RESOURCE = {
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