SelectWithUnionQuery (children 2)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 3)
    Function roundBankers (children 1)
     ExpressionList (children 1)
      Literal UInt64_100
    Literal Int64_-9223372036854775808
    Function roundBankers (children 1)
     ExpressionList (children 2)
      Function tupleElement (children 1)
       ExpressionList (children 2)
        Identifier result
        Literal UInt64_2
      Literal UInt64_256
   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 NULL
                  Literal UInt64_0 (alias variant)
                 TablesInSelectQuery (children 1)
                  TablesInSelectQueryElement (children 1)
                   TableExpression (children 1)
                    TableIdentifier system.numbers
                 Literal UInt64_1025
                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_9223372036854775807
                    Literal Float64_nan
                  Literal Int64_-9223372036854775808 (alias variant)
                 TablesInSelectQuery (children 1)
                  TablesInSelectQueryElement (children 1)
                   TableExpression (children 1)
                    TableIdentifier system.numbers
                 Literal UInt64_1024
 Identifier CSV