into  mockturtle.local:/home/dlenev/src/mysql-5.0-bg24491

on duplicate key".

INSERT ... SELECT ... ON DUPLICATE KEY UPDATE which was used in
stored routine or as prepared statement and which in its ON DUPLICATE
KEY clause erroneously tried to assign value to a column mentioned only
in its SELECT part was properly emitting error on the first execution
but succeeded on the second and following executions.

Code which is responsible for name resolution of fields mentioned in
UPDATE clause (e.g. see select_insert::prepare()) modifies table list
and Name_resolution_context used in this process. It uses
Name_resolution_context_state::save_state/restore_state() to revert
these modifications. Unfortunately those two methods failed to revert
properly modifications to TABLE_LIST::next_name_resolution_table
and this broke name resolution process for successive executions.

This patch fixes Name_resolution_context_state::save_state/restore_state()
in such way that it properly handles TABLE_LIST::next_name_resolution_table.

Do not propagate this change into main trees.

into  mockturtle.local:/home/dlenev/src/mysql-5.0-bg25044

tables' lock."

Execution of ALTER TABLE ... ENABLE KEYS on a table (which can take rather
long time) prevented concurrent execution of all statements using tables.

The problem was caused by the fact that we were holding LOCK_open mutex
during whole duration of this statement and particularly during call
to handler::enable_indexes(). This behavior was introduced as part of the
fix for bug 14262 "SP: DROP PROCEDURE|VIEW (maybe more) write to binlog
too late (race cond)"

The patch simply restores old behavior. Note that we can safely do this as
this operation takes exclusive lock (similar to name-lock) which blocks both
DML and DDL on the table being altered.

It also introduces mysql-test/include/wait_show_pattern.inc helper script
which is used to make test-case for this bug robust enough.

into  weblab.(none):/home/marcsql/TREE/mysql-5.0-24562-merge

WL#3681 (ALTER TABLE ORDER BY)

Before this fix, the ALTER TABLE statement implemented an ORDER BY option
with the following characteristics :

1) The order by clause accepts a list of criteria, with optional ASC or
DESC keywords

2) Each criteria can be a general expression, involving operators,
native functions, stored functions, user defined functions, subselects ...

With this fix :

1) has been left unchanged, since it's a de-facto existing feature,
that was already present in the code base and partially covered in the test
suite. Code coverage for ASC and DESC was missing and has been improved.

2) has been changed to limit the kind of criteria that are permissible:
now only a column name is valid.

into  moonlight.home:/home/tomash/src/mysql_ab/mysql-5.0-bug24404

The problem was that if a prepared statement accessed a view, the
access to the tables listed in the query after that view was done in
the security context of the view.

The bug was in the assigning of the security context to the tables
belonging to a view: we traversed the list of all query tables
instead.  It didn't show up in the normal (non-prepared) statements
because of the different order of the steps of checking privileges
and descending into a view for normal and prepared statements.

The solution is to traverse the list and stop once the last table
belonging to the view was processed.

into  bodhi.local:/opt/local/work/mysql-5.0-runtime-debug-max

by the patch for Bug#4968

into  bodhi.local:/opt/local/work/mysql-5.0-runtime

into  mockturtle.local:/home/dlenev/src/mysql-5.0-bg20390-2

into  weblab.(none):/home/marcsql/TREE/mysql-5.0-6298

into  bodhi.local:/opt/local/work/mysql-5.0-runtime

into  bodhi.local:/opt/local/work/mysql-5.0-runtime

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

into  mockturtle.local:/home/dlenev/src/mysql-5.0-bg20390-2

into  bodhi.local:/opt/local/work/mysql-5.0-4968-to-push

into  bodhi.local:/opt/local/work/mysql-4.1-4968-to-push

of untouched rows in full table scans".

SELECT ... FOR UPDATE/LOCK IN SHARE MODE statements as well as
UPDATE/DELETE statements which were executed using full table
scan were not releasing locks on rows which didn't satisfy
WHERE condition.
This bug surfaced in 5.0 and affected NDB tables. (InnoDB tables
intentionally don't support such unlocking in default mode).

This problem occured because code implementing join didn't call
handler::unlock_row() for rows which didn't satisfy part of condition
attached to this particular table/level of nested loop. So we solve
the problem adding this call.
Note that we already had this call in place in 4.1 but it was lost
(actually not quite correctly placed) when we have introduced nested 
joins.

Also note that additional QA should be requested once this patch is
pushed as interaction between handler::unlock_row() and many recent
MySQL features such as subqueries, unions, views is not tested enough.

into  bodhi.local:/opt/local/work/mysql-5.0-runtime

into  bodhi.local:/opt/local/work/mysql-5.0-runtime

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

into  bodhi.local:/opt/local/work/mysql-4.1-runtime

into  trift2.:/MySQL/M41/mysql-4.1

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

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

into  trift2.:/MySQL/M41/push-4.1

  Patch from Paul DuBois for better help messages

into  bodhi.local:/opt/local/work/mysql-5.0-runtime

into  bodhi.local:/opt/local/work/mysql-5.0-runtime

into  bodhi.local:/opt/local/work/mysql-4.1-runtime