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Comment: Add hive.parquet.timestamp.skip.conversion as part of HIVE-9482

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Value can be SPEED or COMPRESSION.

Parquet

hive.parquet.timestamp.skip.conversion
  • Default Value: true
  • Added In: Hive 0.14.0 with HIVE-9482

Current Hive implementation of parquet stores timestamps in UTC on-file, this flag allows skipping of the conversion on reading parquet files created from other tools that may not have done so.

Vectorization

Hive added vectorized query execution in release 0.13.0 (HIVE-4160, HIVE-5283). For more information see the design document Vectorized Query Execution.

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