SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 3) ExpressionList (children 1) Function sum (children 1) ExpressionList (children 1) Identifier Sign TablesInSelectQuery (children 1) TablesInSelectQueryElement (children 1) TableExpression (children 1) TableIdentifier test.hits Function equals (children 1) ExpressionList (children 2) Identifier CounterID Literal UInt64_912887