database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-29 05:21:33 +03:00
Code Activity

MDEV-16421 Make system tables crash safe

Browse Source 
Make all system tables in mysql directory of type
engine=Aria

Privilege tables are using transactional=1
Statistical tables are using transactional=0, to allow them
to be quickly updated with low overhead.
Help tables are also using transactional=0 as these are only
updated at init time.

Other changes:
- Aria store engine is now a required engine
- Update comment for Aria tables to reflect their new usage
- Fixed that _ma_reset_trn_for_table() removes unlocked table
  from transaction table list. This was needed to allow one
  to lock and unlock system tables separately from other
  tables, for example when reading a procedure from mysql.proc
- Don't give a warning when using transactional=1 for engines
  that is using transactions. This is both logical and also
  to avoid warnings/errors when doing an alter of a privilege
  table to InnoDB.
- Don't abort on warnings from ALTER TABLE for changes that
  would be accepted by CREATE TABLE.
- New created Aria transactional tables are marked as not movable
  (as they include create_rename_lsn).
- bootstrap.test was changed to kill orignal server, as one
  can't anymore have two servers started at same time on same
  data directory and data files.
- Disable maria.small_blocksize as one can't anymore change
  aria block size after system tables are created.
- Speed up creation of help tables by using lock tables.
- wsrep_sst_resync now also copies Aria redo logs.
This commit is contained in:
Michael Widenius
2018-08-02 17:59:11 +03:00
committed by Monty
parent 0e0f1092b8
commit d6d63f4844
74 changed files with 569 additions and 353 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
mysql-test/suite/innodb/r/alter_table.result
View File

@ -22,3 +22,18 @@ alter table t1 change column id2 id4 varchar(100) not null;
select * from t1 where id4 like 'a';
id1 id4 id3
drop table t1;
create table t1 (a int) transactional=1 engine=aria;
create table t2 (a int) transactional=1 engine=innodb;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL
) ENGINE=Aria DEFAULT CHARSET=latin1 PAGE_CHECKSUM=1 TRANSACTIONAL=1
show create table t2;
Table Create Table
t2 CREATE TABLE `t2` (
`a` int(11) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1 TRANSACTIONAL=1
alter table t1 engine=innodb;
alter table t1 add column b int;
drop table t1,t2;