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In HQL, we convert all of the data type into normal `ObjectInspector`s for UDFs, most of cases it works, however, some of the UDF actually requires its children `ObjectInspector` to be the `ConstantObjectInspector`, which will cause exception.
e.g.
select named_struct("x", "str") from src limit 1;
I updated the method `wrap` by adding the one more parameter `ObjectInspector`(to describe what it expects to wrap to, for example: java.lang.Integer or IntWritable).
As well as the `unwrap` method by providing the input `ObjectInspector`.
Author: Cheng Hao <hao.cheng@intel.com>
Closes #2762 from chenghao-intel/udf_coi and squashes the following commits:
bcacfd7 [Cheng Hao] Shim for both Hive 0.12 & 0.13.1
2416e5d [Cheng Hao] revert to hive 0.12
5793c01 [Cheng Hao] add space before while
4e56e1b [Cheng Hao] style issue
683d3fd [Cheng Hao] Add golden files
fe591e4 [Cheng Hao] update HiveGenericUdf for set the ObjectInspector while constructing the DeferredObject
f6740fe [Cheng Hao] Support Constant ObjectInspector for Map & List
8814c3a [Cheng Hao] Passing ContantObjectInspector(when necessary) for UDF initializing
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As part of the upgrade I also copy the newest version of the query tests, and whitelist a bunch of new ones that are now passing.
Author: Michael Armbrust <michael@databricks.com>
Closes #2936 from marmbrus/fix13tests and squashes the following commits:
d9cbdab [Michael Armbrust] Remove user specific tests
65801cd [Michael Armbrust] style and rat
8f6b09a [Michael Armbrust] Update test harness to work with both Hive 12 and 13.
f044843 [Michael Armbrust] Update Hive query tests and golden files to 0.13
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This PR removes our test dependence on files hosted at Berkeley by checking the test queries and answers into the repository. This should also fix the maven Jenkins build.
I realize this is a *giant* commit. But size wise its actually pretty small. We are only looking at ~1.2Mb compressed (~30Mb uncompressed). Given that we already have a ~80Mb file permanently added to the spark code lineage, I do not think that this will change the developer experience significantly.
Furthermore, I think it is good engineering practice to consider such test support files as "code", since changes to them would indicate a change in functionality. These files were only excluded from the initial PR as I wanted the diff to be readable.
Author: Michael Armbrust <michael@databricks.com>
Closes #199 from marmbrus/hiveTestFiles and squashes the following commits:
b9b9b17 [Michael Armbrust] Add hive test files to repository. Remove download script.
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