SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function roundBankers (children 1)
     ExpressionList (children 2)
      Function tupleElement (children 1)
       ExpressionList (children 2)
        Identifier result
        Literal UInt64_2
      Literal UInt64_1025
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 2)
          ExpressionList (children 1)
           Function studentTTest (alias result) (children 1)
            ExpressionList (children 2)
             Identifier sample
             Identifier variant
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             Subquery (children 1)
              SelectWithUnionQuery (children 1)
               ExpressionList (children 2)
                SelectQuery (children 3)
                 ExpressionList (children 2)
                  Function modulo (alias sample) (children 1)
                   ExpressionList (children 2)
                    Function toFloat64 (children 1)
                     ExpressionList (children 1)
                      Identifier number
                    Literal UInt64_30
                  Literal UInt64_1048576 (alias variant)
                 TablesInSelectQuery (children 1)
                  TablesInSelectQueryElement (children 1)
                   TableExpression (children 1)
                    TableIdentifier system.numbers
                 Literal UInt64_1
                SelectQuery (children 3)
                 ExpressionList (children 2)
                  Function plus (alias sample) (children 1)
                   ExpressionList (children 2)
                    Function modulo (children 1)
                     ExpressionList (children 2)
                      Function toFloat64 (children 1)
                       ExpressionList (children 1)
                        Identifier number
                      Literal UInt64_7
                    Literal Float64_inf
                  Literal UInt64_255 (alias variant)
                 TablesInSelectQuery (children 1)
                  TablesInSelectQueryElement (children 1)
                   TableExpression (children 1)
                    TableIdentifier system.numbers
                 Literal UInt64_1023