[GitHub] [incubator-doris] chaoyli commented on a change in pull request #2884: Add `sync_dir` interface to Env

[GitBox <gi...@apache.org>]

chaoyli commented on a change in pull request #2884: Add `sync_dir` interface to Env
URL: https://github.com/apache/incubator-doris/pull/2884#discussion_r378039268
 
 

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 File path: be/src/env/env.h
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 @@ -139,9 +138,21 @@ class Env {
     // Delete the named file.
     virtual Status delete_file(const std::string& fname) = 0;
 
-    // Create the specified directory. Returns error if directory exists.
+    // Create the specified directory.
+    // NOTE: It will return error if the path already exist(not necessarily as a directory)
     virtual Status create_dir(const std::string& dirname) = 0;
 
 Review comment:
   necessity or not depends application logic. Is not depends on API

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