Support AND operation for nested index

"COLUMN1.COLUMN2 >= 1 && COLUMN1.COLUMN2 <= 3" works by this change.

But "1 <= COLUMN1.COLUMN2 && COLUMN1.COLUMN2 <= 3" doesn't work yet.
It is evaluated as "COLUMN1.COLUMN2 <= 1 && COLUMN1.COLUMN2 <= 3". :<