Tim Armstrong commented on IMPALA-1903:

[~h-vetinari] I talked to some of our Hive and Parquet team and they said that 
date should work in Hive with Parquet - they do a full matrix of 
interoperability tests for DATE with different engines. (This is on a recent 
version of CDH Hive, but all the relevant code is also in Apache). Apparently 
that issue only affects the vectorised Parquet reader, the non-vectorised one 
is not affected.

> Add support for partitions by timestamp
> ---------------------------------------
>                 Key: IMPALA-1903
>                 URL: https://issues.apache.org/jira/browse/IMPALA-1903
>             Project: IMPALA
>          Issue Type: New Feature
>          Components: Frontend
>    Affects Versions: Impala 2.2
>            Reporter: Grant Sohn
>            Assignee: Jim Apple
>            Priority: Critical
>              Labels: ramp-up, sql-language
> Timestamps or some time related parameter is a very common way data is 
> partitioned. At Yahoo almost all the Hadoop ETL data was partitioned this 
> way.  This should be on par with nested data types as an important feature 
> for Impala to have.

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