t59688 opened a new issue, #252:
URL: https://github.com/apache/tsfile/issues/252

   Does the C++ version support appending to files? I haven't found any 
examples of appending in the test and sample code; it seems like the file is 
deleted and recreated each time, whereas the Java version does support 
appending。
   
   C++
   ```
   int TsFileWriter::open(const std::string &file_path, int flags, mode_t mode) 
{
       if (check_file_exist(file_path)) {
           return E_ALREADY_EXIST;
       }
   ```
   
   java
   ```
       try (ForceAppendTsFileWriter fwriter = new ForceAppendTsFileWriter(f)) {
         fwriter.doTruncate();
         write(fwriter);
       } catch (Exception e) {
         LOGGER.error("ForceAppendTsFileWriter truncate or write error ", e);
       }
     }
   ```
   
   


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