snuyanzin opened a new pull request, #22775:
URL: https://github.com/apache/flink/pull/22775
## What is the purpose of the change
The PR makes support of `TIME` precision (0-3 - currently only this range,
I'm going to submit support for micros and nanos in the next PR) including
casts, time related functions (`CEIL`, `FLOOR`, `OVERLAPS`, agg `MAX`, `MIN`,
`LEAD`, `LAG`, singlevalue )
Also added support of `TIME` precision in csv, json, avro, some tests in
Kafka (they use agg `MAX` e.g.)
## Brief change log
*(for example:)*
- *The TaskInfo is stored in the blob store on job creation time as a
persistent artifact*
- *Deployments RPC transmits only the blob storage reference*
- *TaskManagers retrieve the TaskInfo from the blob cache*
## Verifying this change
A number of tests in table-planner, avro, csv, json, kafka dealing with
`TIME`
especially
`flink-table/flink-table-planner/src/test/java/org/apache/flink/table/planner/functions/CastFunctionITCase.java`
and
`flink-table/flink-table-planner/src/test/java/org/apache/flink/table/planner/functions/casting/CastRulesTest.java`
checking different variations of casts to and from `TIME`
## 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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