SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 2)
    Function count (children 1)
     ExpressionList
    Function sum (children 1)
     ExpressionList (children 1)
      Identifier number
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function file (children 1)
       ExpressionList (children 3)
        Literal \'02892.orc\'
        Identifier ORC
        Literal \'number UInt64, string_or_null LowCardinality(String)\'
   Function indexHint (children 1)
    ExpressionList (children 1)
     Function like (children 1)
      ExpressionList (children 2)
       Identifier string_or_null
       Literal \'I am%\'
