SPARK-14139 Dataset loses nullability in operations with RowEncoder#11980

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koertkuipers wants to merge 9 commits intoapache:masterfrom

tresata-opensource:feat-rowencoder-nullable

Commits on Mar 26, 2016

Commits on Mar 28, 2016

Merge branch 'master' into feat-rowencoder-nullable
koertkuipers
committed

Commits on Mar 29, 2016

first try at using GetExternalRowField instead of Invoke. fails unit test RowEncoderSuite:encode/decode:Product
koertkuipers
committed
Merge branch 'master' into feat-rowencoder-nullable
koertkuipers
committed

Commits on Apr 3, 2016