lp:~akopytov/percona-server/utf8_general50_ci-5.1

Created by Alexey Kopytov on 2011-07-08 and last modified on 2011-07-08
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253. By Alexey Kopytov on 2011-07-08

Implementation of
https://blueprints.launchpad.net/percona-server/+spec/utf8-general50-ci-5.1

The patch is intended to help users:
- Having indexes on columns with collations
utf8_general_ci or ucs2_general_ci
- Having German letter SHARP S (SZLIG) in these columns
- Upgrading from MySQL from versions 5.0.x or
5.1.23 (and earlier) to version 5.1.24 (and higher).

This patch introduces new collations utf8_general50_ci
and ucs2_general50_ci which reproduce the "old"
sorting order provided by pre-5.1.24 versions of xxx_general_ci.

In order to start using new MySQL-5.1.24+ please do the following:

- Start new version of mysqld
- Convert all affected tables using this query (in case of utf8):

ALTER TABLE t1 CONVERT TO CHARACTER SET utf8 COLLATE utf8_general50_ci;

Or if you need to apply changes per-column level, use this example:

ALTER TABLE t1 MODIFY c1 CHAR(N) CHARACTER SET utf8 COLLATE utf8_general50_ci;

(Make sure you're using the old data type and size,
NULL/NOT NULL constraints, etc).

252. By Alexey Kopytov on 2011-07-07

Bug #806975: patch for bug #803270 breaks OS X

Fixed compiler warnings on OS X by using HAVE_DECL_FDATASYNC in addition
to HAVE_FDATASYNC to detect if fdatasync() is available, and avoiding
compiler warning about unused parameter in case it is not.

251. By Alexey Kopytov on 2011-07-07

Merge from LP.

250. By Alexey Kopytov on 2011-07-05

Bug #745241: quering global_temporary_tables causes server crash

The problem was in an insufficient locking in
fill_global_temporary_tables(). Iterating thread's temporary_tables list
could lead to race conditions, because other server code assumes that
list to only be accessed by a single (the current) thread at any time.

Fixed by introducing a new mutex in THD protecting the temporary_tables
list and acquiring that mutex when modifying the list or in
fill_global_temporary_tables().

249. By Stewart Smith on 2011-06-30

merge fdatasync() usage for innodb log files

248. By Stewart Smith on 2011-06-28

merge bug 802829 fix

247. By Stewart Smith on 2011-06-28

merge zip_clean removal

246. By kinoyasu <kinoyasu@gauntlet4> on 2011-06-28

fix bug794840 and bug802348

245. By Stewart Smith on 2011-06-23

merge test fixes for percona_server_variables

244. By Stewart Smith on 2011-06-23

merge valgrind fix for profiling_slow.patch around enabling of profiling_use_getrusage

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