> sipHash should be calculated after filtration
FUNCTION sipHash64
Filter column: equals
> sorting steps should know about limit
Limit 10
MergingSorted
Limit 10
MergeSorting
Limit 10
PartialSorting
Limit 10
-- filter push down --
> filter should be pushed down after aggregating
Aggregating
Filter
> filter should be pushed down after aggregating, column after aggregation is const
COLUMN Const(UInt8) -> notEquals(y, 0)
Aggregating
Filter
Filter
> one condition of filter should be pushed down after aggregating, other condition is aliased
Filter column
ALIAS notEquals(s, 4) :: 1 -> and(notEquals(y, 0), notEquals(s, 4))
Aggregating
Filter column: notEquals(y, 0)
> one condition of filter should be pushed down after aggregating, other condition is casted
Filter column
FUNCTION CAST(minus(s, 4) :: 1, UInt8 :: 3) -> and(notEquals(y, 0), minus(s, 4))
Aggregating
Filter column: notEquals(y, 0)
> one condition of filter should be pushed down after aggregating, other two conditions are ANDed
Filter column
FUNCTION and(minus(s, 4) :: 2, minus(s, 8) :: 1) -> and(notEquals(y, 0), minus(s, 8), minus(s, 4))
Aggregating
Filter column: notEquals(y, 0)
> two conditions of filter should be pushed down after aggregating and ANDed, one condition is aliased
Filter column
ALIAS notEquals(s, 8) :: 1 -> and(notEquals(y, 0), notEquals(s, 8), minus(y, 4))
Aggregating
Filter column: and(minus(y, 4), notEquals(y, 0))