csun5285 commented on code in PR #35668:
URL: https://github.com/apache/doris/pull/35668#discussion_r1633166495


##########
be/src/olap/single_replica_compaction.cpp:
##########
@@ -396,8 +398,22 @@ Status SingleReplicaCompaction::_download_files(DataDir* 
data_dir,
     uint64_t total_file_size = 0;
     MonotonicStopWatch watch;
     watch.start();
+    CURL* curl = curl_easy_init();
     for (auto& file_name : file_name_list) {
-        auto remote_file_url = remote_url_prefix + file_name;
+        // The file name of the variant column with the inverted index 
contains %
+        // such as: 
020000000000003f624c4c322c568271060f9b5b274a4a95_0_10133@properties%2Emessage.idx
+        //  
{rowset_id}_{seg_num}_{index_id}_{variant_column_name}{%2E}{extracted_column_name}.idx
+        // We need to handle %, otherwise it will cause an HTTP 404 error.
+        // Because the percent ("%") character serves as the indicator for 
percent-encoded octets,
+        // it must be percent-encoded as "%25" for that octet to be used as 
data within a URI.
+        // https://datatracker.ietf.org/doc/html/rfc3986
+        char* output = curl_easy_escape(curl, file_name.c_str(), 
file_name.length());

Review Comment:
   done



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