GitHub user chenghao-intel opened a pull request:
https://github.com/apache/spark/pull/2762
[SPARK-3904] [SQL] add constant objectinspector support for udfs
In HQL, we convert all of the data type into normal `ObjectInspector`s for
UDFs, most of cases it work, however, some of the UDF actually requires the
input `ObjectInspector` to be the `ConstantObjectInspector`, which will cause
exception.
e.g.
select named_struct("x", "str") from src limit 1;
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/chenghao-intel/spark udf_coi
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/2762.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 #2762
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commit 06581e31aaef055c89a0d89ddaac657a9609d571
Author: Cheng Hao <hao.ch...@intel.com>
Date: 2014-10-11T06:34:24Z
add constant objectinspector support for udfs
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