updated tomas default checkout

into  mishka.mysql.com:/home/my/mysql-5.0

into lmy004.:/work/mysql-5.0-bug12533-2

into  mishka.local:/home/my/mysql-5.0

into lmy004.:/work/mysql-5.0-clean

into lmy002.wdf.sap.corp:/home/georg/work/mysql/bugs/mysql-5.0_5501

into  mishka.local:/home/my/mysql-5.0

into  mysql.com:/home/jimw/my/mysql-5.0-clean

for building with --without-server.

into  mysql.com:/home/jimw/my/mysql-5.0-clean

into  mysql.com:/home/jimw/my/mysql-5.0-clean

datetime of when the current statement began. This also makes SYSDATE()
not safe in replication. (Bug #12562)

into  mishka.local:/home/my/mysql-5.0

Removed ASSERT that can obviously never be wrong

into  mysql.com:/home/dlenev/src/mysql-5.0.12

We should not assume that "thd" argument of reload_acl_and_cache() is
non-zero. Failure to do so will cause server to crash when one sends
SIGHUP to it.

into  mishka.local:/home/my/mysql-4.1

into  mishka.local:/home/my/mysql-4.1

into  mysql.com:/home/jimw/my/mysql-4.1-clean

into rurik.mysql.com:/home/igor/dev/mysql-5.0-0

into rurik.mysql.com:/home/igor/mysql-5.0

into  hundin.mysql.fi:/home/heikki/mysql-4.1

  Update test result to reflect the fix of Bug #12779 : EXPLAIN SELECT of a subquery is now different

into mysql.com:/M41/mysql-4.1

into  hundin.mysql.fi:/home/heikki/mysql-4.1

  Fix bug #12779 : never give a row count estimate of 0 to the MySQL query optimizer, as then left join optimizer may beleive it KNOWS that the table is empty; note that this fix may change query optimization of many other queries where one table is empty; note that the proper fix would be to make the query optimizer to know that the row count estimates it receives really are just estimates, it cannot assume they are certain

into mysql.com:/M41/mysql-4.1

into  mysql.com:/home/cps/mysql/trees/mysql-5.0

into  mysql.com:/home/timka/mysql/src/5.0-2486

into rurik.mysql.com:/home/igor/dev/mysql-5.0-0