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Posted to issues@flink.apache.org by GitBox <gi...@apache.org> on 2022/03/30 09:53:34 UTC
[GitHub] [flink] matriv opened a new pull request #19284: [FLINK-25227][table-planner] Fix LEAST/GREATEST to return primitives
matriv opened a new pull request #19284:
URL: https://github.com/apache/flink/pull/19284
## What is the purpose of the change
Previously, `LEAST` and `GREATEST` functions would return primitive
types in the generated code implementing their logic, producing issues
for operators applied on top of them, and most importantly comparison
operators, i.e.:
```
f0 INT, f1 INT
SELECT GREATEST(f0, f1) = GREATEST(f0, f1)
```
would return `FALSE`, since the generated code would return `Integer`
instead of `int`, as the result of `GREATEST`, and the `=` operator
on `Integer` objects would return false, even if the actual integer
value of them was the same.
## Brief change log
- Change code generation for `LEAST`/`GREATEST` to return primitive types instead of boxed, (null is already handled correctly with the use of `nullTerm`s.
## Verifying this change
This change added tests and can be verified as follows:
- Added more tests in `GreatestLeastFunctionsITCase`
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): **no**
- The public API, i.e., is any changed class annotated with `@Public(Evolving)`: **no**
- The serializers: **no**
- The runtime per-record code paths (performance sensitive):**no**
- Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Kubernetes/Yarn, ZooKeeper: **no**
- The S3 file system connector: **no**
## Documentation
- Does this pull request introduce a new feature? **no**
- If yes, how is the feature documented? **not applicable**
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[GitHub] [flink] flinkbot commented on pull request #19284: [FLINK-25227][table-planner] Fix LEAST/GREATEST to return primitives
Posted by GitBox <gi...@apache.org>.
flinkbot commented on pull request #19284:
URL: https://github.com/apache/flink/pull/19284#issuecomment-1082882843
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## CI report:
* 1448af7a2b4f5b4228b493c7572a0bb39c4097c6 UNKNOWN
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[GitHub] [flink] flinkbot edited a comment on pull request #19284: [FLINK-25227][table-planner] Fix LEAST/GREATEST to return primitives
Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #19284:
URL: https://github.com/apache/flink/pull/19284#issuecomment-1082882843
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## CI report:
* 1448af7a2b4f5b4228b493c7572a0bb39c4097c6 Azure: [SUCCESS](https://dev.azure.com/apache-flink/98463496-1af2-4620-8eab-a2ecc1a2e6fe/_build/results?buildId=33956)
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[GitHub] [flink] flinkbot edited a comment on pull request #19284: [FLINK-25227][table-planner] Fix LEAST/GREATEST to return primitives
Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #19284:
URL: https://github.com/apache/flink/pull/19284#issuecomment-1082882843
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## CI report:
* 1448af7a2b4f5b4228b493c7572a0bb39c4097c6 Azure: [PENDING](https://dev.azure.com/apache-flink/98463496-1af2-4620-8eab-a2ecc1a2e6fe/_build/results?buildId=33956)
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[GitHub] [flink] MartijnVisser merged pull request #19284: [FLINK-25227][BP-1.15][table-planner] Fix LEAST/GREATEST to return primitives
Posted by GitBox <gi...@apache.org>.
MartijnVisser merged pull request #19284:
URL: https://github.com/apache/flink/pull/19284
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