GitHub user twalthr opened a pull request:
https://github.com/apache/flink/pull/5491
[FLINK-8630] [table] To support JSON schema to TypeInformation conversion
## What is the purpose of the change
This PR implements (almost) full support of the JSON type. It includes:
- Schema to TypeInformation conversion
- Support for `number`, `integer`, `string`, `object`, `array` types
- Initial support for date, time, and timestamp format and mapping to Flink
types
- Support for base64 encoded byte arrays
- Nested support
## Brief change log
- New module `flink-json` in `flink-formats`
- New JsonSchemaConverter
- Improved JsonRowSerialization/DeserializationSchema
## Verifying this change
- Improved existing tests
- New unit tests
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): yes
- The public API, i.e., is any changed class annotated with
`@Public(Evolving)`: yes
- The serializers: no
- The runtime per-record code paths (performance sensitive): no
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Yarn/Mesos, 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? will document together with
first JSON connector
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/twalthr/flink FLINK-8630
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/5491.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #5491
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commit 7e18fbfb560aea10935a549b9dc4075f7018eb75
Author: twalthr <twalthr@...>
Date: 2018-02-12T17:18:44Z
[FLINK-8630] [table] To support JSON schema to TypeInformation conversion
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