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lwhay / asterixdb

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Dealing with system_nulls properly #784

Open GoogleCodeExporter opened 9 years ago

GoogleCodeExporter commented 9 years ago 
We need to change algebricks group-by operator to produce nested relations, so 
that an empty relation will replace the current system_null hack.

Original issue reported on code.google.com by buyingyi@gmail.com on 7 Jun 2014 at 1:06