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release-22.2: sql: fix CREATE AS [SHOW CREATE FUNCTION] job failure #108167

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merged 3 commits into from
Aug 7, 2023
Merged

release-22.2: sql: fix CREATE AS [SHOW CREATE FUNCTION] job failure #108167

merged 3 commits into from
Aug 7, 2023

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ecwall
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@ecwall ecwall commented Aug 4, 2023

Backport 3/3 commits from #107567.

/cc @cockroachdb/release


Fixes #106268

Previously CREATE TABLE AS/CREATE MATERIALIZED VIEW AS sourcing from SHOW CREATE FUNCTION <function> generated a failing schema change job with a unknown function: f(): function undefined error because the job runs in the system database and functions cannot be referenced cross database.

This PR fixes this by using the original user session (which includes the database) in the schema change job.

Release note (bug fix): Fixes the schema changer job when CREATE AS sources from SHOW CREATE FUNCTION:
CREATE TABLE t AS SELECT * FROM [SHOW CREATE FUNCTION f];

Release justification: CREATE AS bug fix.

ecwall added 2 commits August 4, 2023 09:36
This change makes debugging easier by including the invalid JSON
in that caused JSONBMarshalToMessage to fail.

Release note: None
…ssageToJSON

Fixes #107823

This PR makes `VectorizeExecMode`'s protobuf and JSON string representations
the same to prevent errors like this when `SessionData.VectorizeMode` has a
non-zero value:
```
unknown value "on" for enum cockroach.sql.sessiondatapb.VectorizeExecMode
```

Release note: None
@ecwall ecwall requested review from a team as code owners August 4, 2023 13:46
@ecwall ecwall requested a review from yuzefovich August 4, 2023 13:46
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blathers-crl bot commented Aug 4, 2023

Thanks for opening a backport.

Please check the backport criteria before merging:

  • Patches should only be created for serious issues or test-only changes.
  • Patches should not break backwards-compatibility.
  • Patches should change as little code as possible.
  • Patches should not change on-disk formats or node communication protocols.
  • Patches should not add new functionality.
  • Patches must not add, edit, or otherwise modify cluster versions; or add version gates.
If some of the basic criteria cannot be satisfied, ensure that the exceptional criteria are satisfied within.
  • There is a high priority need for the functionality that cannot wait until the next release and is difficult to address in another way.
  • The new functionality is additive-only and only runs for clusters which have specifically “opted in” to it (e.g. by a cluster setting).
  • New code is protected by a conditional check that is trivial to verify and ensures that it only runs for opt-in clusters.
  • The PM and TL on the team that owns the changed code have signed off that the change obeys the above rules.

Add a brief release justification to the body of your PR to justify this backport.

Some other things to consider:

  • What did we do to ensure that a user that doesn’t know & care about this backport, has no idea that it happened?
  • Will this work in a cluster of mixed patch versions? Did we test that?
  • If a user upgrades a patch version, uses this feature, and then downgrades, what happens?

@ecwall ecwall requested review from rafiss and removed request for a team and yuzefovich August 4, 2023 13:46
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This change is Reviewable

Fixes #106268

Previously `CREATE TABLE AS`/`CREATE MATERIALIZED VIEW AS` sourcing from
`SHOW CREATE FUNCTION <function>` generated a failing schema change job with a
`unknown function: f(): function undefined` error because the job runs in the
system database and functions cannot be referenced cross database.

This PR fixes this by using the original user session (which includes the
database) in the schema change job.

Release note (bug fix): Fixes the schema changer job when CREATE AS sources
from SHOW CREATE FUNCTION:
CREATE TABLE t AS SELECT * FROM [SHOW CREATE FUNCTION f];
@ecwall ecwall merged commit f4cec2d into cockroachdb:release-22.2 Aug 7, 2023
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3 participants