CreateQuery test_enum (children 3)
 Identifier test_enum
 Columns definition (children 1)
  ExpressionList (children 1)
   ColumnDeclaration c (children 1)
    DataType Nullable (children 1)
     ExpressionList (children 1)
      DataType Enum16 (children 1)
       ExpressionList (children 2)
        Function equals (children 1)
         ExpressionList (children 2)
          Literal \'A\'
          Literal UInt64_1
        Function equals (children 1)
         ExpressionList (children 2)
          Literal \'B\'
          Literal UInt64_2
 Storage definition (children 1)
  Function Log