The number for MYSQL_REPLICATION_PLUGIN was shifted when backporting
because MYSQL_AUDIT_PLUGIN was not backported.

This problem is fixed by backporting only the number of audit plugin
and print an error when trying to load audit plugins. Note that
replication plugins compiled against old MYSQL_REPLICATION_PLUGIN
number will also be recognized as audit plugin and be rejected.

Conflicts:
  - configure.in
  - mysql-test/include/setup_fake_relay_log.inc
  - sql/sql_select.cc

fails in PB sporadically)
      
The IO thread can concurrently access the relay log IO_CACHE
while another thread is performing an FLUSH LOGS procedure.
      
FLUSH LOGS closes and reopens the relay log and while doing so it
(re)initializes its IO_CACHE. During this procedure the IO_CACHE
mutex is also reinitialized, which can cause problems if some
other thread (namely the IO THREAD) is concurrently accessing it
at the time .
      
This patch fixes the problem by extending the interface of the
flush_master_info function to also include a second paramater, 
"need_relay_log_lock", stating whether the thread should grab the 
relay log lock or not before actually flushing the relay log. 
Also, IO thread now calls flush_master_info with this flag set 
when it flushes master info with in the event read_event loop.

Finally, we also increase loop time in rpl_heartbeat_basic test 
case, so that the number of calls to flush logs doubles, stressing
this part of the code a little more.

Conflicts:
  - sql/mysqld.cc

Conflicts:
  - mysql-test/collections/default.experimental
  - mysql-test/suite/rpl/r/rpl_sp.result

path names than 99 characters, using the USTAR format of the
resulting source TAR.

To be able to specify the use of USTAR when creating the source
TAR, we needed both to update the GNU autotools version requirements
slightly, and update the initiation of the tools to use more
modern constructs.

--default-character-set and --character-set-server such
that only the first will give a deprecation warning.
Apart from that, the two options should do the same.

The test case rpl_binlog_corruption fails on windows because when
adding a line to the binary log index file it gets terminated
with a CR+LF (which btw, is the normal case in windows, but not on
Unixes - LF). This causes mismatch between the relay log names,
causing mysqld to report that it cannot find the log file.

We fix this by creating the instrumented index file through
mysql, ie, using SELECT ... INTO DUMPFILE ..., as opposed on
relying on ultimatly OS commands like: -- echo "..." >
index. These changes go into the file and make the procedure
platform independent:

  include/setup_fake_relay_log.inc

Side note: when using SELECT ... INTO DUMPFILE ..., one needs to
check if mysqld is running with secure_file_priv. If it is, we do
it in two steps: 1. create the file on the allowed location;
2. move it to the datadir. If it is not, then we just create the
file directly on the datadir (so previous step 2. is not needed).

Original revision:
------------------------------------------------------------
revision-id: li-bing.song@sun.com-20100130124925-o6sfex42b6noyc6x
parent: joro@sun.com-20100129145427-0n79l9hnk0q43ajk
committer: <Li-Bing.Song@sun.com>
branch nick: mysql-5.1-bugteam
timestamp: Sat 2010-01-30 20:49:25 +0800
message:
  Bug #48321  CURRENT_USER() incorrectly replicated for DROP/RENAME USER;
              REVOKE/GRANT; ALTER EVENT.
  
  The following statements support the CURRENT_USER() where a user is needed.
    DROP USER 
    RENAME USER CURRENT_USER() ...
    GRANT ... TO CURRENT_USER()
    REVOKE ... FROM CURRENT_USER()
    ALTER DEFINER = CURRENT_USER() EVENT
  but, When these statements are binlogged, CURRENT_USER() just is binlogged
  as 'CURRENT_USER()', it is not expanded to the real user name. When slave 
  executes the log event, 'CURRENT_USER()' is expand to the user of slave 
  SQL thread, but SQL thread's user name always NULL. This breaks the replication.
  
  After this patch, All above statements are rewritten when they are binlogged.
  The CURRENT_USER() is expanded to the real user's name and host.
------------------------------------------------------------

resulution of bug #46895.

Conflicts:
  - mysql-test/collections/default.experimental
  - mysql-test/suite/rpl/r/rpl_binlog_grant.result
  - mysql-test/suite/rpl/r/rpl_sp.result
  - mysql-test/suite/rpl/t/rpl_binlog_grant.test
  - mysql-test/suite/rpl/t/rpl_get_master_version_and_clock.test

Conflicts:
  - sql/mysql_priv.h

The root cause of the crash is that a TranxNode is freed before it is used.
A TranxNode is allocated and inserted into the active list each time 
a log event is written and flushed into the binlog file. 
The memory for TranxNode is allocated with thd_alloc and will be freed 
at the end of the statement. The after_commit/after_rollback callback
was supposed to be called before the end of each statement and remove the node from
the active list. However this assumption is not correct in all cases(e.g. call 
'CREATE TEMPORARY TABLE myisam_t SELECT * FROM innodb_t' in a transaction
 and delete all temporary tables automatically when a session closed), 
and can cause the memory allocated for TranxNode be freed
before it was removed from the active list. So The TranxNode pointer in the active
list would become a wild pointer and cause the crash.

After this patch, We have a class called a TranxNodeAllocate which manages the memory
for allocating and freeing TranxNode. It uses my_malloc to allocate memory.

            REVOKE/GRANT; ALTER EVENT.

The following statements support the CURRENT_USER() where a user is needed.
  DROP USER 
  RENAME USER CURRENT_USER() ...
  GRANT ... TO CURRENT_USER()
  REVOKE ... FROM CURRENT_USER()
  ALTER DEFINER = CURRENT_USER() EVENT
but, When these statements are binlogged, CURRENT_USER() just is binlogged
as 'CURRENT_USER()', it is not expanded to the real user name. When slave 
executes the log event, 'CURRENT_USER()' is expand to the user of slave 
SQL thread, but SQL thread's user name always NULL. This breaks the replication.

After this patch, All above statements are rewritten when they are binlogged.
The CURRENT_USER() is expanded to the real user's name and host.

Updated the certs to expire on 2015. 
Made sure they work with both yassl and openssl.

column is used for ORDER BY

Problem: filesort isn't meant for null length sort data
(e.g. char(0)), that leads to a server crash.

Fix: disregard sort order if sort data record length is 0 (nothing
to sort).

  - main.outfile_loaddata @solaris due to Bug#46895
  - main.signal_demo3 @solaris due to Bug#47791
  - main.sp @solaris due to Bug#47791
  - rpl.rpl_slave_load_remove_tmpfile @windows due to Bug#50474

  in multitable delete/subquery

SQL_BUFFER_RESULT should not have an effect on non-SELECT 
statements according to our documentation.
Fixed by not passing it through to multi-table DELETE (similarly
to how it's done for multi-table UPDATE).

Rename method as to not hide a base.
Reorder attributes initialization.
Remove unused variable.
Rework code to silence a warning due to assignment used as truth value.

merging patches prepared for 5.0 to 5.1-bt. That caused a few changes in the test file

Define env. vars for both timeout settings
Also incorporated 5.0 patch into mtr version 1