SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 5)
    Identifier number (alias offset)
    Function negate (alias length) (children 1)
     ExpressionList (children 1)
      Identifier number
    Function toFixedString (alias s) (children 1)
     ExpressionList (children 2)
      Literal \'Hello\'
      Literal UInt64_6
    Function substring (children 1)
     ExpressionList (children 3)
      Function bin (children 1)
       ExpressionList (children 1)
        Identifier s
      Identifier offset
      Identifier length
    Function bin (children 1)
     ExpressionList (children 1)
      Function bitSlice (children 1)
       ExpressionList (children 3)
        Identifier s
        Identifier offset
        Identifier length
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function numbers (children 1)
       ExpressionList (children 1)
        Literal UInt64_16
