CreateQuery test_byte_size_string (children 3)
 Identifier test_byte_size_string
 Columns definition (children 1)
  ExpressionList (children 5)
   ColumnDeclaration key (children 1)
    DataType Int32
   ColumnDeclaration str1 (children 1)
    DataType String
   ColumnDeclaration str2 (children 1)
    DataType String
   ColumnDeclaration fstr1 (children 1)
    DataType FixedString (children 1)
     ExpressionList (children 1)
      Literal UInt64_8
   ColumnDeclaration fstr2 (children 1)
    DataType FixedString (children 1)
     ExpressionList (children 1)
      Literal UInt64_8
 Storage definition (children 2)
  Function MergeTree
  Identifier key
