SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 6)
    Function count (children 1)
     ExpressionList
    Function uniqExact (children 1)
     ExpressionList (children 1)
      Identifier x
    Function min (children 1)
     ExpressionList (children 1)
      Identifier x
    Function max (children 1)
     ExpressionList (children 1)
      Identifier x
    Function sum (children 1)
     ExpressionList (children 1)
      Identifier x
    Function sum (children 1)
     ExpressionList (children 1)
      Function cityHash64 (children 1)
       ExpressionList (children 1)
        Identifier x
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier merge