hpcc-systems/HPCC-Platform — pull request #3421 by ghalliday (2012-09-28 12:52:11+00:00)
Title: HPCC-2058 Add a ,UNORDERED option to an index read

Allow ,UNORDERED to be specified on an INDEX as a hint to allow the engines
to potentially optimize the way rows are returned.

I also renamed the flag from unsorted because it has a slightly stronger
meaning.

Signed-off-by: Gavin Halliday