[CBRD-23850] coredump occurs when heap_get_visible_version_from_log()…

… function is called after executing backupdb with -r option. (CUBRID#2575)

src/transaction/log_page_buffer.c

@@ -6114,12 +6114,10 @@ logpb_remove_archive_logs_exceed_limit (THREAD_ENTRY * thread_p, int max_count)
  *
  *   info_reason(in):
  *
- * NOTE: Archive that are not needed for system crashes are removed.
+ * NOTE: Archive that are not needed for system crashes and vacuum are removed.
  *       That these archives may be needed for media crash recovery.
  *       Therefore, it is important that the user copy these archives
  *       to tape. Check the log information file.
- *
- * TODO: Make sure the removed logs have been processed by vacuum.
  */
 void
 logpb_remove_archive_logs (THREAD_ENTRY * thread_p, const char *info_reason)
@@ -6130,6 +6128,15 @@ logpb_remove_archive_logs (THREAD_ENTRY * thread_p, const char *info_reason)
   LOG_LSA newflush_upto_lsa;	/* Next to be flush */
   int first_deleted_arv_num;
   int last_deleted_arv_num;
+  int min_arv_required_for_vacuum;
+  LOG_PAGEID vacuum_first_pageid;
+
+  if (!vacuum_is_safe_to_remove_archives ())
+    {
+      /* we don't know yet what is the first log page required by vacuum if vacuum_disable is set to true.
+       * this will block any log archive removal until it is set to false. */
+      return;
+    }
 
   assert (LOG_CS_OWN_WRITE_MODE (thread_p));
 
@@ -6177,6 +6184,14 @@ logpb_remove_archive_logs (THREAD_ENTRY * thread_p, const char *info_reason)
 
   last_deleted_arv_num--;
 
+  vacuum_first_pageid = vacuum_min_log_pageid_to_keep (thread_p);
+  if (vacuum_first_pageid != NULL_PAGEID && logpb_is_page_in_archive (vacuum_first_pageid))
+    {
+      min_arv_required_for_vacuum = logpb_get_archive_number (thread_p, vacuum_first_pageid);
+      min_arv_required_for_vacuum--;
+      last_deleted_arv_num = MIN (last_deleted_arv_num, min_arv_required_for_vacuum);
+    }
+
   if (log_Gl.hdr.last_deleted_arv_num + 1 > last_deleted_arv_num)
     {
       /* Nothing to remove */
@@ -6190,6 +6205,9 @@ logpb_remove_archive_logs (THREAD_ENTRY * thread_p, const char *info_reason)
 
       log_Gl.hdr.last_deleted_arv_num = last_deleted_arv_num;
       logpb_flush_header (thread_p);	/* to get rid of archives */
+
+      _er_log_debug (ARG_FILE_LINE, "first_deleted_arv_num = %d, last_deleted_arv_num = %d", first_deleted_arv_num,
+		     last_deleted_arv_num);
     }
 }