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fix: increment seqno before execute calls to prevent InvalidArgument … #19

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merged 9 commits into from Mar 24, 2020

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larkee
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@larkee larkee commented Feb 18, 2020

…errors after a previous error

Fixes #11

@googlebot googlebot added the cla: yes label Feb 18, 2020
@larkee larkee requested review from tseaver and crwilcox Feb 18, 2020
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tseaver previously requested changes Feb 20, 2020
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@tseaver tseaver left a comment

In addition to the atomicity changes I suggested, the PR really needs to add a unit test for each modified method, provoking the bug (e.g., by raising an exception from inside the api.execute_streaming_sql / api.execute_sql / api.batch_execute_dml methods). The new testcases should then assert that the instance's _execute_sql_count had been incremented.

google/cloud/spanner_v1/transaction.py Outdated Show resolved Hide resolved
@@ -243,15 +244,16 @@ def batch_update(self, statements):
transaction = self._make_txn_selector()
api = database.spanner_api

seqno = self._execute_sql_count
self._execute_sql_count += 1
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@tseaver tseaver Feb 20, 2020

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Likewise here:

        seqno, self._execute_sql_count = self._execute_sql_count, self._execute_sql_count + 1

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@googlebot googlebot commented Feb 20, 2020

We found a Contributor License Agreement for you (the sender of this pull request), but were unable to find agreements for all the commit author(s) or Co-authors. If you authored these, maybe you used a different email address in the git commits than was used to sign the CLA (login here to double check)? If these were authored by someone else, then they will need to sign a CLA as well, and confirm that they're okay with these being contributed to Google.
In order to pass this check, please resolve this problem and then comment @googlebot I fixed it.. If the bot doesn't comment, it means it doesn't think anything has changed.

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@googlebot googlebot added cla: no and removed cla: yes labels Feb 20, 2020
@larkee larkee requested a review from tseaver Feb 21, 2020
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@tseaver tseaver commented Feb 25, 2020

@larkee I don't know what the CLA bot is on about: tseaver@palladion.com is my normal github email, and the one associated with my long-ago-signed CLA (I've been committing to these repos using it for 5+ years now!).

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@tseaver tseaver commented Feb 25, 2020

Also, the PR still needs the added unit tests I outlined above.

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@googlebot googlebot commented Feb 26, 2020

CLAs look good, thanks!

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@googlebot googlebot added cla: yes and removed cla: no labels Feb 26, 2020
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@larkee larkee commented Feb 27, 2020

@tseaver I've fixed the CLA problem by just redoing the commits. I added the test and noticed that the change to snapshot.py doesn't actually make any difference, possibly because the call is wrapped in functools.partial? Because of this, I've reverted it.

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@odeke-em odeke-em commented Mar 3, 2020

Kindly pinging you @tseaver @skuruppu to take a look here as we need this change. Thank you.

@larkee larkee requested a review from skuruppu Mar 23, 2020
@larkee larkee dismissed tseaver’s stale review Mar 24, 2020

I have made these changes.

@larkee larkee merged commit adeacee into googleapis:master Mar 24, 2020
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