plugin_load.test created lines in the warnings files and made
pushbuild cells yellow. Some pushbuild systems are configured
so that they don't build the ha_example plugin. Trying to load
them creates error messages in the error log. These were copied
to the warnings file.

Fixed by ignoring expected error messages for non-existent
ha_example.

into  stella.local:/home2/mydev/mysql-5.1-axmrg

into  stella.local:/home2/mydev/mysql-5.1-axmrg

into  stella.local:/home2/mydev/mysql-5.0-axmrg

into  stella.local:/home2/mydev/mysql-5.0-axmrg

into  mysql.com:/home/svoj/devel/mysql/cov/mysql-5.1-engines

Have changed the DATA/INDEX dir to not be a database dir.
(and made some changes for better result files.)

Updated the test due to bug 32167

Corrected spelling of error message

into -engines tree.

hander::table_share was not updated after changing table->s.

into  stella.local:/home2/mydev/mysql-5.1-axmrg

into  stella.local:/home2/mydev/mysql-5.1-axmrg

into  stella.local:/home2/mydev/mysql-5.0-axmrg

into  pcg5ppc.xiphis.org:/Network/Servers/anubis.xiphis.org/home/antony/work/merge.20080307/mysql-5.1

into  pcg5ppc.xiphis.org:/Network/Servers/anubis.xiphis.org/home/antony/work/merge.20080307/mysql-5.0

into  stella.local:/home2/mydev/mysql-5.1-axmrg

After merge fix.

into  stella.local:/home2/mydev/mysql-5.1-axmrg

into  pcg5ppc.xiphis.org:/Network/Servers/anubis.xiphis.org/home/antony/work/merge.20080307/mysql-5.1

into  pcg5ppc.xiphis.org:/Network/Servers/anubis.xiphis.org/home/antony/work/merge.20080307/mysql-5.0

Merge pcg5ppc.xiphis.org:/Network/Servers/anubis.xiphis.org/home/antony/work/merge.20080307/mysql-5.0
into  pcg5ppc.xiphis.org:/Network/Servers/anubis.xiphis.org/home/antony/work/merge.20080307/mysql-5.1

into  pcg5ppc.xiphis.org:/Network/Servers/anubis.xiphis.org/home/antony/work/merge.20080307/mysql-5.1

into  stella.local:/home2/mydev/mysql-5.1-axmrg

into  pcg5ppc.xiphis.org:/Network/Servers/anubis.xiphis.org/home/antony/work/merge.20080307/mysql-5.0

into  stella.local:/home2/mydev/mysql-5.0-axmrg

into  stella.local:/home2/mydev/mysql-5.0-axmrg

into  mysql.com:/home/svoj/devel/mysql/BUG28248/mysql-5.1-engines

into  mysql.com:/home/svoj/devel/mysql/BUG28248/mysql-5.0-engines

When there are no underlying tables specified for a merge table,
SHOW CREATE TABLE outputs a statement that cannot be executed. The
same is true for mysqldump (it generates dumps that cannot be
executed).

This happens because SQL parser does not accept empty UNION() clause.

This patch changes the following:
- it is now possible to execute CREATE/ALTER statement with
  empty UNION() clause.
- the same as above, but still worth noting: it is now possible to
  remove underlying tables mapping using ALTER TABLE ... UNION=().
- SHOW CREATE TABLE does not output UNION() clause if there are
  no underlying tables specified for a merge table. This makes
  mysqldump slightly smaller.

into  mysql.com:/home/svoj/devel/mysql/BUG13861/mysql-5.1-engines

            log-slave-updates and circul repl

This is a test case fix for BUG#13861.

into  stella.local:/home2/mydev/mysql-5.1-axmrg