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Marko Mäkelä 5569b3eb09 MDEV-16041 Do not write for null update (properly fix MySQL Bug#29157) 
InnoDB takes a lot of time to perform null updates. The reason is that
even though an empty update vector was created, InnoDB will go on to
write undo log records and update the system columns
DB_TRX_ID and DB_ROLL_PTR in the clustered index, and of course write
redo log for all this.

This could have been fixed properly in
commit 54a492ecac more than 10 years ago.
2018-04-26 20:56:14 +03:00
..
archive After-merge fix for commit 98eb9518db 2018-03-16 15:49:53 +02:00
blackhole
cassandra
connect MDEV-15866 Mysql CRASH : Json connect + MariaDB 10.3.4 2018-04-16 14:45:47 +02:00
csv Merge 10.0 into 10.1 2017-05-23 08:59:03 +03:00
example
federated MDEV-14272 Mariadb crashes with signal 11 when using federatedx engine and galera 2017-12-28 02:13:25 +01:00
federatedx Merge branch 'github/10.1' into 10.2 2018-02-06 14:50:50 +01:00
heap Remove most 'register' use in C++ 2018-04-24 12:48:27 +03:00
innobase MDEV-16041 Do not write for null update (properly fix MySQL Bug#29157) 2018-04-26 20:56:14 +03:00
maria Remove most 'register' use in C++ 2018-04-24 12:48:27 +03:00
mroonga Merge 10.1 into 10.2 2018-04-21 11:58:32 +03:00
myisam Remove most 'register' use in C++ 2018-04-24 12:48:27 +03:00
myisammrg Remove most 'register' use in C++ 2018-04-24 12:48:27 +03:00
oqgraph Merge 10.1 into 10.2 2018-04-24 09:39:45 +03:00
perfschema Remove most 'register' use in C++ 2018-04-24 12:48:27 +03:00
rocksdb MyRocks: MDEV-15911: Reduce debug logging on default levels in error log 2018-04-19 14:13:28 +03:00
sequence
sphinx Remove unused function FixNull() 2018-04-24 12:06:28 +03:00
spider MDEV-15692: install_spider.sql can fail with some collations 2018-04-12 12:14:12 -07:00
test_sql_discovery MDEV-13712 Spelling errors in the error message 2017-09-18 10:12:23 +02:00
tokudb Merge branch '10.1' into 10.2 2018-04-10 17:43:18 +03:00
xtradb Merge 10.1 into 10.2 2018-04-24 09:39:45 +03:00