SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 1) ExpressionList (children 6) Literal UInt64_719528 (alias u) Function toInt32 (alias s) (children 1) ExpressionList (children 1) Identifier u Function fromDaysSinceYearZero (children 1) ExpressionList (children 1) Identifier u Function fromDaysSinceYearZero (children 1) ExpressionList (children 1) Function materialize (children 1) ExpressionList (children 1) Identifier u Function fromDaysSinceYearZero (children 1) ExpressionList (children 1) Identifier s Function fromDaysSinceYearZero (children 1) ExpressionList (children 1) Function materialize (children 1) ExpressionList (children 1) Identifier s