SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 2) ExpressionList (children 1) Function round (children 1) ExpressionList (children 2) Function varSamp (children 1) ExpressionList (children 1) Identifier ResolutionWidth Literal UInt64_6 TablesInSelectQuery (children 1) TablesInSelectQueryElement (children 1) TableExpression (children 1) TableIdentifier test.hits