Bigtable: Add 'PartialRowsData.cancel'. #8176
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sduskis
suggested changes
May 28, 2019
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@mf2199, I had some comments that need to be addressed regarding this PR. |
Appending unit-test to assert stop iteration of PartialRowsData() upon calling the cancel() method.
sduskis
approved these changes
Jun 14, 2019
tseaver
suggested changes
Jun 19, 2019
tseaver
approved these changes
Jun 19, 2019
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The |
crwilcox
reviewed
Jun 19, 2019
| @@ -376,6 +376,9 @@ def __init__(self, read_method, request, retry=DEFAULT_RETRY_READ_ROWS): | |||
| self.rows = {} | |||
| self._state = self.STATE_NEW_ROW | |||
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| # Flag to stop iteration, for any reason not related to self.retry() | |||
| self._stop = False | |||
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Looking over the code, it seems this is marking if the iterator has been cancelled. The comment and name of this sort of directed me to think maybe this did something different. would naming this self._cancelled be accurate?
crwilcox
approved these changes
Jun 20, 2019
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Fixes #7760.
Introducing a "stop" flag into the iterable PartialRowsData() class. Setting this flag to True results in cancelling of the iteration the next time the iterator is called.