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server: proper transaction state management in sql-over-http #86433

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merged 2 commits into from
Aug 20, 2022

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ajwerner
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@ajwerner ajwerner commented Aug 19, 2022

First 4 commits are #86427.
Next commit is #86461.

We need to construct the internal executor in the context of the transaction
so that we can make sure that its side-effects are properly managed. Without
this change, we'd be throwing away all of the extraTxnState between each
statement. We'd fail to create the jobs (which we defer to the end of the
transaction), and we'd fail to run those jobs and check for errors. We'd
also fail to validate the two-version invariant or wait for one version.

Fixes #86332

Release justification: Fixes critical bugs in new functionality.

Release note: None

@ajwerner ajwerner requested a review from a team August 19, 2022 03:16
@ajwerner ajwerner requested a review from a team as a code owner August 19, 2022 03:16
@ajwerner ajwerner requested a review from a team August 19, 2022 03:16
@ajwerner ajwerner requested review from a team as code owners August 19, 2022 03:16
@ajwerner ajwerner requested review from stevendanna and removed request for a team August 19, 2022 03:16
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This change is Reviewable

@ajwerner ajwerner force-pushed the ajwerner/fix-sql-over-http branch 3 times, most recently from 2651443 to 89feebd Compare August 19, 2022 06:04
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@rafiss or @knz can you review the last commit on this one (and feel empowered to review #86427 in the process)?

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Last commit LGTM.

I did not review the others.

Reviewed 3 of 3 files at r6, 2 of 2 files at r7, all commit messages.
Reviewable status: :shipit: complete! 0 of 0 LGTMs obtained (waiting on @stevendanna)

This is needed both to ensure that the transactions which
purposefully use the internal executor can avoid the halloween
problem and so that we can use a default QoS level for those
transaction.

Release justification: part of a bug fix

Release note: None
We need to construct the internal executor in the context of the transaction
so that we can make sure that its side-effects are properly managed. Without
this change, we'd be throwing away all of the extraTxnState between each
statement. We'd fail to create the jobs (which we defer to the end of the
transaction), and we'd fail to run those jobs and check for errors. We'd
also fail to validate the two-version invariant or wait for one version.

Fixes cockroachdb#86332

Release justification: Fixes critical bugs in new functionality.

Release note: None
@ajwerner ajwerner force-pushed the ajwerner/fix-sql-over-http branch from ce3cb86 to 4812378 Compare August 20, 2022 14:53
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TFTR!

bors r+

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craig bot commented Aug 20, 2022

Build succeeded:

@craig craig bot merged commit 17266af into cockroachdb:master Aug 20, 2022
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multiple schema changes on same request don't work on SQL over http api
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