dforciea opened a new pull request #13787:
URL: https://github.com/apache/flink/pull/13787
## What is the purpose of the change
Fixes an issue where null arrays in postgres cause a NullPointerException
when retrieving data
## Brief change log
- Update PostgresRowConverter to override createInternalConverter rather
than createNullableInternalConverter
- Update tests to include cases for null postgres arrays, for both paths
of the PostgresRowConverter (both bytea[] and standard arrays)
## Verifying this change
This change added tests and can be verified as follows:
- Amended getArrayTable in PostgresCatalogTestBase to include fields for
null bytea[] and standard arrays
- Update PostgresCatalogITCase to expect nulls for these columns
- Validated that this test failed before the change, and succeeds after
the change
## 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/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? not applicable
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