hpcc-systems/HPCC-Platform — pull request #2890 by rpastrana (2012-07-19 16:15:15+00:00)
Title: fix 2600 sql join support (first phase)

Adds limited SQL join support.
supports OUTER and INNER join.
Only 1 join per select query.
Disables index fetch support if query contains join clause.
However, fetch table can be an index file.