Remove dead code: flush_version was never increased in the server,

therefore the logic associated with it never worked.


sql/ha_partition.cc:
  Remove dead code. Update comments.
sql/mysql_priv.h:
  Remove dead code (flush_version).
sql/mysqld.cc:
  Remove dead code (flush_version).
sql/sql_base.cc:
  Remove dead code.
sql/table.cc:
  Remove dead code.
sql/table.h:
  Remove dead code.

1 files changed, 3 insertions, 2 deletions

diff --git a/sql/ha_partition.cc b/sql/ha_partition.cc
index 87d24207dcd..25feab40261 100644
--- a/sql/ha_partition.cc
+++ b/sql/ha_partition.cc
@@ -4466,7 +4466,7 @@ void ha_partition::get_dynamic_partition_info(PARTITION_INFO *stat_info,
     2) It is called from close_thread_table which in turn is called from
        close_thread_tables except in the case where the tables are locked
        in which case ha_commit_stmt is called instead.
-       It is only called from here if flush_version hasn't changed and the
+       It is only called from here if refresh_version hasn't changed and the
        table is not an old table when calling close_thread_table.
        close_thread_tables is called from many places as a general clean up
        function after completing a query.
@@ -4487,8 +4487,9 @@ void ha_partition::get_dynamic_partition_info(PARTITION_INFO *stat_info,
     The handler will set HA_KEYREAD_ONLY in its table flags to indicate this
     feature is supported.
   HA_EXTRA_FLUSH:
-    Indication to flush tables to disk, called at close_thread_table to
+    Indication to flush tables to disk, is supposed to be used to
     ensure disk based tables are flushed at end of query execution.
+    Currently is never used.
 
   2) Parameters used by some non-MyISAM handlers
   ----------------------------------------------