GitHub user godfreyhe opened a pull request:
https://github.com/apache/flink/pull/4572
[Flink-7243] [connectors] Add ParquetInputFormat
## What is the purpose of the change
Add ParquetInputFormat to read from parquet files
## Brief change log
- *Supports primary parquet types*
- *Supports reading data with given columns instead of all columns*
- *Supports reading data with filter*
- *The return type of ParquetInputFormat supports Row, Tuple, POJO*
## Verifying this change
This change added tests and can be verified as follows:
- *Added test that validates the correct of input split result with file
or directory*
- *Added test for reading with filter*
- *Added test for
RowParquetInputFormat/TupleParquetInputFormat/PojoParquetInputFormat*
## 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)`: (no)
- 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)
## Documentation
- Does this pull request introduce a new feature? (yes)
- If yes, how is the feature documented? (JavaDocs)
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/godfreyhe/flink FLINK-7243
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/4572.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 #4572
----
commit a281bbac15cafce40b08e7e0a510e42c07301c82
Author: godfreyhe <godfre...@163.com>
Date: 2017-07-23T12:20:04Z
[FLINK-7243] Add ParquetInputFormat
commit 9879922970517ee9d1b0730212e36d607ee508f5
Author: godfreyhe <godfre...@163.com>
Date: 2017-07-24T13:10:55Z
change the return type of ParquetSchemaConverter#convertToTypeInformation
method, update Tests
commit c3d8a054ff7f831cd99ea525b0e3b03375b38b72
Author: godfreyhe <godfre...@163.com>
Date: 2017-08-03T03:01:04Z
minor update
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