SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 5)
   ExpressionList (children 8)
    Identifier k
    Function uniqTheta (children 1)
     ExpressionList (children 1)
      Identifier x
    Function uniqTheta (children 1)
     ExpressionList (children 1)
      Identifier x
    Function uniqTheta (children 1)
     ExpressionList (children 2)
      Identifier x
      Identifier y
    Function uniqTheta (children 1)
     ExpressionList (children 1)
      Function tuple (children 1)
       ExpressionList (children 2)
        Identifier x
        Identifier y
    Function uniqTheta (children 1)
     ExpressionList (children 3)
      Identifier x
      Identifier y
      Identifier z
    Function uniqTheta (children 1)
     ExpressionList (children 1)
      Function tuple (children 1)
       ExpressionList (children 3)
        Identifier x
        Identifier y
        Identifier z
    Function count (alias c) (children 1)
     ExpressionList
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 3)
          ExpressionList (children 4)
           Function modulo (alias k) (children 1)
            ExpressionList (children 2)
             Function multiply (children 1)
              ExpressionList (children 2)
               Function plus (children 1)
                ExpressionList (children 2)
                 Identifier number
                 Literal UInt64_10375376009059998246
               Literal UInt64_7402567796504994643
             Literal UInt64_131
           Function modulo (alias x) (children 1)
            ExpressionList (children 2)
             Identifier number
             Literal UInt64_10
           Function modulo (alias y) (children 1)
            ExpressionList (children 2)
             Function intDiv (children 1)
              ExpressionList (children 2)
               Identifier number
               Literal UInt64_10
             Literal UInt64_10
           Function toString (alias z) (children 1)
            ExpressionList (children 1)
             Function modulo (children 1)
              ExpressionList (children 2)
               Function intDiv (children 1)
                ExpressionList (children 2)
                 Identifier number
                 Literal UInt64_100
               Literal UInt64_10
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             TableIdentifier system.numbers
          Literal UInt64_100000
   ExpressionList (children 1)
    Identifier k
   ExpressionList (children 2)
    OrderByElement (children 1)
     Identifier c
    OrderByElement (children 1)
     Identifier k
   Literal UInt64_10