lp:~hartmut-php/maria/mdev-543

Created by Hartmut Holzgraefe and last modified
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Owner:
Hartmut Holzgraefe
Project:
MariaDB
Status:
Development

Recent revisions

3540. By Hartmut Holzgraefe

Allow blanks in mysql_install_db --basedir and --datadir arguments (MDEV-543)

3539. By Kristian Nielsen

Fix test failure on --embedded-server

3538. By Michael Widenius

This fix+comments was originally made by Alexey Kopytov

LP bug #1035225 / MySQL bug #66301: INSERT ... ON DUPLICATE KEY UPDATE +
innodb_autoinc_lock_mode=1 is broken

The problem was that when certain INSERT ... ON DUPLICATE KEY UPDATE
were executed concurrently on a table containing an AUTO_INCREMENT
column as a primary key, InnoDB would correctly reserve non-overlapping
AUTO_INCREMENT intervals for each statement, but when the server
encountered the first duplicate key error on the secondary key in one of
the statements and performed an UPDATE, it also updated the internal
AUTO_INCREMENT value to the one from the existing row that caused a
duplicate key error, even though the AUTO_INCREMENT value was not
specified explicitly in the UPDATE clause. It would then proceed with
using AUTO_INCREMENT values the range reserved previously by another
statement, causing duplicate key errors on the AUTO_INCREMENT column.

Fixed by changing write_record() to ensure that in case of a duplicate
key error the internal AUTO_INCREMENT counter is only updated when the
AUTO_INCREMENT value was explicitly updated by the UPDATE
clause. Otherwise it is restored to what it was before the duplicate key
error, as that value is unused and can be reused for subsequent
successfully inserted rows.

3537. By Michael Widenius

Automatic merge

3536. By Michael Widenius

Fixed test for ps-protocol

3535. By Timour Katchaounov

Merged the fix for bug lp:1009187, mdev-373

3534. By Michael Widenius

Fixed issues in test suite when running with --ps-protocol

3533. By Michael Widenius

Fixed random test failure

3532. By Michael Widenius

Fixed Bug#1002564: Wrong result for a lookup query from a heap table

3531. By Michael Widenius

Fixed compiler warning on Mac

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