into  mysql.com:/home/kent/bk/tmp/mysql-5.0-build

  Corrected GPL to be version 2 only

into  pippilotta.erinye.com:/shared/home/df/mysql/build/mysql-5.0-build

into  pippilotta.erinye.com:/shared/home/df/mysql/build/mysql-5.0-build

into  pippilotta.erinye.com:/shared/home/df/mysql/build/mysql-5.0-build-work

into  pippilotta.erinye.com:/shared/home/df/mysql/build/mysql-5.0-build

  Removed wrong fix for the bug#27006.
  The bug was added by the fix for the bug#19978 and fixed by Monty on 2007/02/21.
trigger.test, trigger.result:
  Corrected test case for the bug#27006.

into  trift2.:/MySQL/M50/push-5.0

  Restore accidently removed line

  Major cleanup of old Visual Studio project files, aligning engines etc

into  trift2.:/MySQL/M50/clone-5.0

into  pippilotta.erinye.com:/shared/home/df/mysql/build/mysql-5.0-release

  - Support both "release" and "relwithdebinfo" targets
  - Copy ".pdb" and ".pdb" files for the server and instance manager
  - Removed the examples directory, unsupported
  - Handle both old and new builds in the same script, "-debug" and "-nt"
    extensions, directory "data" and "share" in different location

into  linux.site:/home/omer/source/bld50_0314

 - Build sql files for netware from the mysql_system_tables*.sq files
 - Fix comments about mysql_create_system_tables.sh
 - Use mysql_install_db.sh to create system tables for mysql_test-run-shell
 - Fix mysql-test-run.pl to also look in share/mysql for the msyql_system*.sql files

Changeset coded today by Magnus Svensson, just the application to 5.0.38 is by Joerg Bruehe.

UPDATE if the row wasn't actually changed.

This bug was caused by fix for bug#19978. It causes AFTER UPDATE triggers
not firing if a row wasn't actually changed by the update part of the
INSERT .. ON DUPLICATE KEY UPDATE.

Now triggers are always fired if a row is touched by the INSERT ... ON
DUPLICATE KEY UPDATE.

into  magare.gmz:/home/kgeorge/mysql/autopush/B26261-5.0-opt

 INSERT uses query_id to verify what fields are
 mentioned in the fields list of the INSERT command.
 However the check for that is made after the 
 ON DUPLICATE KEY is processed. This causes all
 the fields mentioned in ON DUPLICATE KEY to be 
 considered as mentioned in the fields list of 
 INSERT.
 Moved the check up, right after processing the
 fields list.

into  mysql.com:/home/gluh/MySQL/Merge/5.0-opt

The crash happens when 'skip-grant-tables' is enabled.
We skip the filling of I_S privilege tables 
if acl_cache is not initialized.

into  mysql.com:/home/hf/work/mrg/mysql-5.0-opt

into  mysql.com:/home/hf/work/mrg/mysql-5.0-opt

into  pippilotta.erinye.com:/shared/home/df/mysql/build/mysql-5.0-build-work

into  pippilotta.erinye.com:/shared/home/df/mysql/build/mysql-5.0-build

 - test suites developed by QA 
 - additional 'fast' test options 

into  mysql.com:/home/svoj/devel/bk/mysql-5.0-engines

into  moonbone.local:/mnt/gentoo64/work/27033-bug-5.0-opt-mysql

touched but not actually changed.

The LAST_INSERT_ID() is reset to 0 if no rows were inserted or changed.
This is the case when an INSERT ... ON DUPLICATE KEY UPDATE updates a row
with the same values as the row contains.

Now the LAST_INSERT_ID() values is reset to 0 only if there were no rows
successfully inserted or touched.
The new 'touched' field is added to the COPY_INFO structure. It holds the
number of rows that were touched no matter whether they were actually
changed or not.

into  mysql.com:/home/hf/work/mrg/mysql-5.0-opt

into  mysql.com:/home/hf/work/mrg/mysql-5.0-opt

into  mockturtle.local:/home/dlenev/src/mysql-4.1-merge

into  mockturtle.local:/home/dlenev/src/mysql-5.0-merge

into  mockturtle.local:/home/dlenev/src/mysql-5.0-bg25966-2

TABLE ... WRITE".

Memory and CPU hogging occured when connection which had to wait for table
lock was serviced by thread which previously serviced connection that was
killed (note that connections can reuse threads if thread cache is enabled).
One possible scenario which exposed this problem was when thread which
provided binlog dump to replication slave was implicitly/automatically
killed when the same slave reconnected and started pulling data through
different thread/connection.
The problem also occured when one killed particular query in connection
(using KILL QUERY) and later this connection had to wait for some table
lock.

This problem was caused by the fact that thread-specific mysys_var::abort
variable, which indicates that waiting operations on mysys layer should
be aborted (this includes waiting for table locks), was set by kill
operation but was never reset back. So this value was "inherited" by the
following statements or even other connections (which reused the same
physical thread). Such discrepancy between this variable and THD::killed
flag broke logic on SQL-layer and caused CPU and memory hogging.

This patch tries to fix this problem by properly resetting this member.

There is no test-case associated with this patch since it is hard to test
for memory/CPU hogging conditions in our test-suite.