GitHub user chenghao-intel opened a pull request:
https://github.com/apache/spark/pull/3136
[SPARK-4272] [SQL] Add more unwrapper functions for primitive type in
TableReader
Currently, the data "unwrap" only support couple of primitive types, not
all, it will not cause exception, but may get some performance in table
scanning for the type like binary, date, timestamp, decimal etc.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/chenghao-intel/spark table_reader
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/3136.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 #3136
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commit e9c97a4fdfd7b7a375951ee51a89fb9ea99ac331
Author: Cheng Hao <[email protected]>
Date: 2014-11-06T13:29:01Z
Add more unwrapper functions for primitive type in TableReader
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