H. Vetinari created HIVE-22006:
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Summary: Hive parquet timestamp compatibility, part 2
Key: HIVE-22006
URL: https://issues.apache.org/jira/browse/HIVE-22006
Project: Hive
Issue Type: Bug
Affects Versions: All Versions
Reporter: H. Vetinari
The interaction between HIVE / IMPALA / SPARK writing timestamps is a major
source of headaches in every scenario where such interaction cannot be avoided.
HIVE-9482 added hive.parquet.timestamp.skip.conversion, which *only* affects
the *reading* of timestamps.
It formulates the next steps as:
> Later fix will change the write path to not convert, and stop the
> read-conversion even for files written by Hive itself.
At the very least, HIVE needs a switch to also turn off the conversion on
writes. That would at least allow a setup where all three of HIVE / IMPALA /
SPARK can be configured not to convert on read/write, and can hence safely work
on the same data
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