SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Identifier a
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (alias V) (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 4)
          ExpressionList (children 1)
           Function plus (alias aa) (children 1)
            ExpressionList (children 2)
             Identifier a
             Literal UInt64_1
          ExpressionList (children 2)
           Identifier a
           Function sumIf (alias aaif3) (children 1)
            ExpressionList (children 2)
             Identifier c
             Function greater (children 1)
              ExpressionList (children 2)
               Identifier b
               Literal UInt64_0
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             Subquery (children 1)
              SelectWithUnionQuery (children 1)
               ExpressionList (children 1)
                SelectQuery (children 1)
                 ExpressionList (children 3)
                  Literal UInt64_1 (alias a)
                  Literal UInt64_2 (alias b)
                  Literal UInt64_3 (alias c)
          ExpressionList (children 1)
           Identifier a