bzr commit into mysql-trunk branch (andrei.elkin:3327) Bug#11763265

[Andrei Elkin]

#At file:///home/andrei/MySQL/BZR/2a-23May/FIXES/bug11763265-55956-mysqlbinlog_raw_mode/ based on revid:georgi.kodinov@stripped

 3327 Andrei Elkin	2011-03-28
      bug#11763265 Potential bug with new --raw mode with mysqlbinlog
      
      There were two reported artifacts on possible operations with uninitialized Log_event* pointer
      inside dump_remote_log_entries().
      But only a case of pre-5.0 load-data events received in --raw mode appears to be problematic.
      The assignment 
         Load_log_event *le= (Load_log_event*)ev
      has ev==NULL in that case.
      whereas Rotate event is indeed handled correctly.
      
      Fixed by enforcing all events incl LOAD_EVENT, CREATE_FILE_EVENT to be dumped as it's
      supposed to be in the raw mode without reformating the events into load-date event
      types of the latest binlog format.
      
      In case of CREATE_FILE_EVENT yet another "bonus" artifact is corrected to pass the old server
      event for reformatting if the mode is standard not raw.
     @ client/mysqlbinlog.cc
        In case not raw_mode LOAD_EVENT and CREATE_FILE_EVENT require conversion into the current load-data formats. In case of raw_mode all events including the two does not need any extra treatment.

    modified:
      client/mysqlbinlog.cc
=== modified file 'client/mysqlbinlog.cc'
--- a/client/mysqlbinlog.cc	2011-01-18 12:09:03 +0000
+++ b/client/mysqlbinlog.cc	2011-03-28 20:28:41 +0000
@@ -1673,8 +1673,7 @@ static Exit_status dump_remote_log_entri
       */
       ev->register_temp_buf((char *) net->read_pos + 1);
     }
-    if (glob_description_event->binlog_version >= 3 ||
-        (type != LOAD_EVENT && type != CREATE_FILE_EVENT))
+    if (raw_mode || (type != LOAD_EVENT && type != CREATE_FILE_EVENT))
     {
       /*
         If this is a Rotate event, maybe it's the end of the requested binlog;
@@ -1763,6 +1762,14 @@ static Exit_status dump_remote_log_entri
           ev= 0;
         }
       }
+      
+      if (type == LOAD_EVENT || type == CREATE_FILE_EVENT)
+      {
+        DBUG_ASSERT(raw_mode);
+        warning("Attempting to load a remote pre-5.0 binary log that contains "
+                "LOAD DATA INFILE statements. The file will not be copied from "
+                "the remote server. ");
+      }
 
       if (raw_mode)
       {


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