GitHub user wangyum opened a pull request:
https://github.com/apache/spark/pull/21741
[SPARK-24718][SQL] Timestamp support pushdown to parquet data source
## What changes were proposed in this pull request?
`Timestamp` support pushdown to parquet data source.
Only `TIMESTAMP_MICROS` and `TIMESTAMP_MILLIS` support push down.
## How was this patch tested?
unit tests and benchmark tests
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/wangyum/spark SPARK-24718
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/21741.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #21741
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commit b2a90005b95b4fc6e51d43d74784a6ff4397005a
Author: Yuming Wang <yumwang@...>
Date: 2018-07-10T06:45:17Z
Timestamp support pushdown to parquet data source
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