Repository: spark
Updated Branches:
refs/heads/branch-2.2 c890e938c -> 813abd2db
[SPARK-20534][SQL] Make outer generate exec return empty rows
## What changes were proposed in this pull request?
Generate exec does not produce `null` values if the generator for the input row
is empty and the g
Repository: spark
Updated Branches:
refs/heads/master f0169a1c6 -> 6b44c4d63
[SPARK-20534][SQL] Make outer generate exec return empty rows
## What changes were proposed in this pull request?
Generate exec does not produce `null` values if the generator for the input row
is empty and the gener