apache/spark — pull request #1339 by ueshin (2014-07-09 08:15:22+00:00)
Title: [SPARK-2415] [SQL] RowWriteSupport should handle empty ArrayType correctly.

`RowWriteSupport` doesn't write empty `ArrayType` value, so the read value becomes `null`.
It should write empty `ArrayType` value as it is.