SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 5)
    Literal Int64_-44 (alias offset)
    Function plus (alias length) (children 1)
     ExpressionList (children 2)
      Identifier number
      Literal UInt64_40
    Literal \'Hello\' (alias s)
    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_9
