GitHub user yanbohappy opened a pull request:
https://github.com/apache/spark/pull/4527
[SQL] Reuse mutable row for each record at jsonStringToRow
When serialize json string to row, reuse a mutable row for each record
instead of creating a new one for every record. But every nested struct type in
each record, we still need to create a new row for them.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/yanbohappy/spark jsonStringToRowOptimization
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/4527.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 #4527
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commit b0c2b145950c18e30a8e88086e018cb66931fbec
Author: Yanbo Liang <[email protected]>
Date: 2015-02-11T08:36:50Z
[SQL] Reuse mutable row for each record at jsonStringToRow
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