On Tue, Jun 14, 2016 at 11:23 AM, Zelaine Fong <[email protected]> wrote:

> 3) Jason walked through his new operator unit test framework.  The
> motivation for this is to be able to test operators in isolation without a
> SQL statement and large data sets.  This came about as a result of trying
> to fix issues with spill to disk in sort.  With the framework, you can
> define batches in JSON where you can better control the size of the batch.
> I.e., make the batches small so you can trigger spill to disk with a small
> input.  PhysicalOpUnitTestBase is the base class.  Jason has implemented a
> set of basic tests for most operators, derived from this class.
>

This is very cool.

It could make building UDF's much easier as well.

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