GitHub user mgaido91 opened a pull request:
https://github.com/apache/spark/pull/19492
[SPARK-22228][SQL] Add support for array<primitive_type> to from_json
## What changes were proposed in this pull request?
The fix introduces support for parsing array of primitive types in the
`from_json` function. Currently, it supports only array of struct, which is
equivalent to array of JSON objects, but it doesn't allow to parse array of
simple types, like array of strings (eg. `["this is a valid JSON", "we cannot
parse before the PR"]`).
## How was this patch tested?
Added UTs.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/mgaido91/spark SPARK-22228
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/19492.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 #19492
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commit cba1f4accaf5dbe305e366eab33879577d7f9a93
Author: Marco Gaido <mga...@hortonworks.com>
Date: 2017-10-11T10:29:26Z
[SPARK-22228] Add support for array<primitive_type> to from_json
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