rpl_packet got a timeout failure sporadically on PB when stopping
slave. The real reason of this bug is that STOP SLAVE stopped
IO thread first and then stopped SQL thread. It was
possible that IO thread stopped after replicating part of a
transaction which SQL thread was executing. SQL thread would
be hung if the transaction could not be rolled back safely.
            
After this patch, STOP SLAVE will stop SQL thread first and then stop IO
thread, which guarantees that IO thread will fetch the reset of the
events of the transaction that SQL thread is executing, so that SQL
thread can finish the transaction if it cannot be rolled back safely.
            
Added below auxiliary files to make the test code neater.
restart_slave_sql.inc
rpl_connection_master.inc
rpl_connection_slave.inc
rpl_connection_slave1.inc

Fix for bug#45740 introduced test case using SHOW TABLE STATUS against a Memory table using latin1 character in table name.
The test failed on Windows and FreeBSD due to a difference in the value for Avg_row_length.
The average row length normally depends on the values for data length and row count. According to the 5.5 manual data length is approximate with Memory tables.
With MyISAM and InnoDB the Avg_row_length is the same on Windows and Solaris.
The solution implemented by this patch is to mask out the value for Avg_row_length, as it may vary when using Memory tables.

Undoing the patch, it complicates the code but is not the solution

I do not beleive newline mismatch could be the cause of this failure
First, I cannot see how this could be a problem, mtr ignores the newline
  when reading the expect file, and the file is written and read on Windows.
Second, if this really was the problem it should have been deterministic:
  either the newline is correctly interepreted or it is not.

Problem: the scanner function tested for strings "<![CDATA[" and
"-->" without checking input string boundaries, which led to valgrind's
"Conditional jump or move depends on uninitialised value(s)" error.

Fix: Adding boundary checking.

  @ mysql-test/r/xml.result
  @ mysql-test/t/xml.test
  Adding test

  @ strings/xml.c
  Adding a helper function my_xml_parser_prefix_cmp(),
  with input string boundary check.

sys_vars.innodb_max_dirty_pages_pct_func fails sporadically
      

BUG#58858 : sys_vars.innodb_max_dirty_pages_pct_func fails sporadically

Committing After latest merge.      
Modified check_pct procedure to check return value of wait condition instead 
of calling "dirty_pct".
   
Adding Review comments:
1) Added comment for success variable value
2) Procedure check_pct changed For Adding BOOLEAN input and SELECT QUERY Change

Re-enabling the test case on windows since BUG#12190 has fixed
the issue.

  - Support for graceful shutdown of cluster by using "ndb_mgm -e 'shutdown'"

 - Make it possible to use MTR_MAXNDB to set the upper limit of number of
  parallel ndb test to run.
 - Very useful on machines with many cores and lots of RAM

 -  Find ndbmtd and use it round robin

Introduced by the fix for bug#44766.

Problem: it's not correct to use args[0]->str_value as a buffer,
because args[0] may need this buffer for its own purposes.

Fix: adding a new class member tmp_value to use as return value.

  @ mysql-test/r/ctype_many.result
  @ mysql-test/t/ctype_many.test
  Adding tests

  @ sql/item_strfunc.cc
  Changing code into traditional style:
  use "str" as a buffer for the argument and tmp_value for the result value.

  @ sql/item_strfunc.h
  Adding tmp_value

      
Problem: when processing a query like:
  SELECT '' LIKE '1' ESCAPE COUNT(1);
escape_item->val_str() was never executed and the "escape" class member
stayed initialized, which led to valgrind uninitialized memory error.
      
Note, a query with some tables in "FROM" clause
returns ER_WRONG_ARGUMENTS in the same situation:

   SELECT '' LIKE '1' ESCAPE COUNT(1) FROM t1;
   ERROR 1210 (HY000): Incorrect arguments to ESCAPE

Fix: disallowing using aggregate functions in ESCAPE clause,
even if there are no tables used. There is no much use of that anyway.

Enabled test snippet for bug 4374, tested on Mac OS X 10.6 as well as Solaris.
Moved test snippet to a different place in the file, in order to avoid having 
to save and restore "SET NAMES" setting. New surroundings expect latin1, as is 
used in the testsnippet.

An extra copy of the commented test snippet is removed, a comment is added,
SQL keywords are converted to uppercase, and engine name "heap" is updated to 
"Memory".

Also added Copyright statement and a notice about the file's encoding(s).

            command line clients.

Postfix covering other mysql standard clients like mysql_upgrade,
mysqlbinlog, mysqlcheck, mysqlimport, mysqlshow and mysqlslap.

When mysqldadmin is run with sleep and count options,
it goes into an infinite loop and keeps executing the
specified command.

This happened because the statement, responsible for
decrementing the count value, was missing.

Fixed by adding a statement which will decrement the
count value for each iteration.

It is a backported patch.

Backport to 5.0.

/*![:version:] Query Code */, where [:version:] is a sequence of 5 
digits representing the mysql server version(e.g /*!50200 ... */),
is a special comment that the query in it can be executed on those 
servers whose versions are larger than the version appearing in the 
comment. It leads to a security issue when slave's version is larger 
than master's. A malicious user can improve his privileges on slaves. 
Because slave SQL thread is running with SUPER privileges, so it can
execute queries that he/she does not have privileges on master.
      
This bug is fixed with the logic below: 
- To replace '!' with ' ' in the magic comments which are not applied on
  master. So they become common comments and will not be applied on slave.
      
- Example:
  'INSERT INTO t1 VALUES (1) /*!10000, (2)*/ /*!99999 ,(3)*/
   will be binlogged as
  'INSERT INTO t1 VALUES (1) /*!10000, (2)*/ /* 99999 ,(3)*/

        For all the boolean system variables we now issue warnings if the
        value wasn't recognized. Before that we just silently set them
        to FALSE in this case.

per-file comments:
  mysys/my_getopt.c
Bug #46393 If for slow_query_log a string is entered it does not complain.
        warning issued if no documented value was specified.

        IA64 and some other arcitectures use different float rounding mode and
        i find no decent way to make it consistent.
        So the test changed to be insensitive to this.

per-file messages:
  mysql-test/t/gis.test
Bug#52208      gis fails on some platforms (Solaris, HP-UX, Linux)
        --replace_result added

When mysqldump tries to dump information in xml format,
the result does not contain field level comments.

In order to retrieve various informations for a field/column,
mysqldump currently uses 'show fields from <tab>' statement.
The attributes returned by the statement lacks the information
regarding field comments.

Fixed by changing the query to one that probes I_S to retrieve
required field informations, including the field comment.