SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 6)
    Function countDigits (children 1)
     ExpressionList (children 1)
      Function toNullable (children 1)
       ExpressionList (children 1)
        Function toDecimal32 (children 1)
         ExpressionList (children 2)
          Literal Float64_4.2
          Literal UInt64_1
    Function countDigits (children 1)
     ExpressionList (children 1)
      Function materialize (children 1)
       ExpressionList (children 1)
        Function toNullable (children 1)
         ExpressionList (children 1)
          Function toDecimal32 (children 1)
           ExpressionList (children 2)
            Literal Float64_4.2
            Literal UInt64_2
    Function countDigits (children 1)
     ExpressionList (children 1)
      Function toNullable (children 1)
       ExpressionList (children 1)
        Function toDecimal64 (children 1)
         ExpressionList (children 2)
          Literal Float64_4.2
          Literal UInt64_3
    Function countDigits (children 1)
     ExpressionList (children 1)
      Function materialize (children 1)
       ExpressionList (children 1)
        Function toNullable (children 1)
         ExpressionList (children 1)
          Function toDecimal64 (children 1)
           ExpressionList (children 2)
            Literal Float64_4.2
            Literal UInt64_4
    Function countDigits (children 1)
     ExpressionList (children 1)
      Function toNullable (children 1)
       ExpressionList (children 1)
        Function toDecimal128 (children 1)
         ExpressionList (children 2)
          Literal Float64_4.2
          Literal UInt64_5
    Function countDigits (children 1)
     ExpressionList (children 1)
      Function materialize (children 1)
       ExpressionList (children 1)
        Function toNullable (children 1)
         ExpressionList (children 1)
          Function toDecimal128 (children 1)
           ExpressionList (children 2)
            Literal Float64_4.2
            Literal UInt64_6