SteNicholas opened a new pull request #13572:
URL: https://github.com/apache/flink/pull/13572
## What is the purpose of the change
*Currently Python DataStream doesn't support Python datetime object in
`from_collection` of `StreamExecutionEnvironment`. It should support datetime
object by coverting datetime elements in collection based on `to_sql_type` of
`DataType`.*
## Brief change log
- *`from_collection` of `StreamExecutionEnvironment` adds converter of
elements in collection with `to_sql_type` of `DataType` to support datetime
object.*
## Verifying this change
- *`test_from_collection_with_data_types` and
`test_from_collection_without_data_types` in `StreamExecutionEnvironmentTests`
adds test cases for datetime object to verify whether `from_collection` of
`StreamExecutionEnvironment` supports datetime object in DataStream.*
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): (yes / **no**)
- The public API, i.e., is any changed class annotated with
`@Public(Evolving)`: (yes / **no**)
- The serializers: (yes / **no** / don't know)
- The runtime per-record code paths (performance sensitive): (yes / **no**
/ don't know)
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Kubernetes/Yarn/Mesos, ZooKeeper: (yes / **no** /
don't know)
- The S3 file system connector: (yes / **no** / don't know)
## Documentation
- Does this pull request introduce a new feature? (yes / **no**)
- If yes, how is the feature documented? (**not applicable** / docs /
JavaDocs / not documented)
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