Alexey Kudinkin created HUDI-3206:
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Summary: Unify Hive's MOR `InputFormat` implementations (Parquet,
HFile)
Key: HUDI-3206
URL: https://issues.apache.org/jira/browse/HUDI-3206
Project: Apache Hudi
Issue Type: Sub-task
Reporter: Alexey Kudinkin
Essentially, HIve's different MOR implementations should only differ in the
file-format of the actual base-files written.
Today, that's not the case: currently Hive's MOR `InputFormat` implementations
inherit from their respective COW file-format counterparts (
`HoodieParquetInputFormat`, `HoodieHFileInputFormat`).
Instead we should unify both MOR impls to have common base class, which
separate file-format specific impls would extend (Parquet, HFile), only
overriding the `getRecordReader` method
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