#135744 enables non-correlated subquery in from command, this is a follow up issue to enable nested non-correlated subqueries in the from command.
FROM index1,
(FROM index2,
(FROM index3,
(FROM index4
| WHERE a > 0)
| STATS count(*))
| STATS count(*))
| WHERE h > 10
| EVAL i = h * 2
| STATS cnt = COUNT(*) BY j
| SORT cnt desc
| DROP k
| KEEP l
| LIMIT 1000
#135744 enables non-correlated subquery in from command, this is a follow up issue to enable nested non-correlated subqueries in the from command.