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[druid] Catch IOError when fetching Druid datasource time boundary #3897

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merged 1 commit into from Nov 18, 2017
Merged

[druid] Catch IOError when fetching Druid datasource time boundary #3897

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14 changes: 9 additions & 5 deletions superset/connectors/druid/models.py
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Expand Up @@ -563,11 +563,15 @@ def latest_metadata(self):
"""Returns segment metadata from the latest segment"""
logging.info('Syncing datasource [{}]'.format(self.datasource_name))
client = self.cluster.get_pydruid_client()
results = client.time_boundary(datasource=self.datasource_name)
if not results:
return
max_time = results[0]['result']['maxTime']
max_time = dparse(max_time)
try:
results = client.time_boundary(datasource=self.datasource_name)
except IOError:
results = None
if results:
max_time = results[0]['result']['maxTime']
max_time = dparse(max_time)
else:
max_time = datetime.now()
# Query segmentMetadata for 7 days back. However, due to a bug,
# we need to set this interval to more than 1 day ago to exclude
# realtime segments, which triggered a bug (fixed in druid 0.8.2).
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