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sql: fix prepared statement query summary #83673

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merged 1 commit into from
Jul 12, 2022
Merged

sql: fix prepared statement query summary #83673

merged 1 commit into from
Jul 12, 2022

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ericharmeling
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This commit sets the StmtSummary metadata field for prepared
statements to the StatementSummary value in the prepared statement
metadata for prepared statements at execution.

Fixes #79152.

Release note (bug fix): Previously, the querySummary metadata field in
the crdb_internal.statement_statistics table was inconsistent with the
query metadata field for executed prepared statements. These fields
are now consistent for prepared statements.

@ericharmeling ericharmeling requested a review from a team as a code owner June 30, 2022 18:49
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This change is Reviewable

@ericharmeling ericharmeling removed the request for review from a team June 30, 2022 18:59
maryliag
maryliag suggested changes Jun 30, 2022
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Can you add tests to confirm the correct behaviour?

Reviewed 3 of 3 files at r1, all commit messages.
Reviewable status: :shipit: complete! 0 of 0 LGTMs obtained (waiting on @ericharmeling)

ericharmeling
ericharmeling commented Jul 1, 2022
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Done!

Reviewable status: :shipit: complete! 0 of 0 LGTMs obtained (waiting on @maryliag)

maryliag
maryliag approved these changes Jul 4, 2022
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Awesome! :lgtm:

Reviewed 1 of 1 files at r2, all commit messages.
Reviewable status: :shipit: complete! 1 of 0 LGTMs obtained (waiting on @ericharmeling)

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bors r+

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craig bot commented Jul 4, 2022

Build failed:

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bors r-

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bors r+

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craig bot commented Jul 5, 2022

Build failed (retrying...):

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craig bot commented Jul 6, 2022

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craig bot commented Jul 6, 2022

Build failed:

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bors retry

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craig bot commented Jul 6, 2022

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craig bot commented Jul 6, 2022

Canceled.

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bors r+

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craig bot commented Jul 7, 2022

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Looks like this PR might be flaky - the merge failed twice on TestPrepareStatisticsMetadata and this PR seems related.

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craig bot commented Jul 7, 2022

Canceled.

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ericharmeling commented Jul 7, 2022 •
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Looks like this PR might be flaky - the merge failed twice on TestPrepareStatisticsMetadata and this PR seems related.

😖 you're right. I actually just built master and could not repro the behavior shown in #79152 (the issue this PR fixes). It looks like something was merged in the last week that broke querySummary for prepared statements altogether. I just checked out the last commit from June 29 (02dcb38) and was able to repro. I'm going to do some manual divide-and-conquer until I locate the culprit.

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It looks like something was merged in the last week that broke querySummary for prepared statements altogether.

Well this isn't entirely true. Just that the querySummary field isn't being populated for prepared statements in crdb_internal.cluster_statement_statistics (and therefore in crdb_internal.statement_statistics.metadata).

Looks like it's one of the commits in this merge: ce1b42b

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The behavior that this PR seeks to fix has changed.

See #79152 (comment).

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Rebasing on master to include #84170. Note that #84170 has not been backported, so we probably shouldn't backport this PR either.

@ericharmeling
sql: fix prepared statement query summary
377e6fd 
This commit sets the StmtSummary metadata field for prepared
statements to the StatementSummary value in the prepared statement
metadata for prepared statements at execution.

Fixes cockroachdb#79152.

Release note (bug fix): Previously, the querySummary metadata field in
the crdb_internal.statement_statistics table was inconsistent with the
query metadata field for executed prepared statements. These fields
are now consistent for prepared statements.
@ericharmeling
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Looks like the test failure here (Example_demo_locality) is flaky

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bors r+

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craig bot commented Jul 12, 2022

Build succeeded:

@craig craig bot merged commit 625ca8d into cockroachdb:master Jul 12, 2022
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maryliag commented Sep 8, 2022

@ericharmeling can you backport this to 22.1?

@ericharmeling ericharmeling mentioned this pull request Sep 8, 2022
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sql: SQL Stats's metadata column does not report query summary for prepared statements
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