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bzr merge -r4264 maria/5.5
Text conflict in sql/mysqld.cc
Text conflict in storage/xtradb/btr/btr0cur.c
Text conflict in storage/xtradb/buf/buf0buf.c
Text conflict in storage/xtradb/buf/buf0lru.c
Text conflict in storage/xtradb/handler/ha_innodb.cc
5 conflicts encountered.
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bzr merge -r tag:mariadb-5.5.35 maria/5.5
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Now at revision 3874 in lp:~codership/codership-mysql/5.5-23
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bzr merge lp:maria/5.5 -rtag:mariadb-5.5.31
Text conflict in cmake/cpack_rpm.cmake
Text conflict in debian/dist/Debian/control
Text conflict in debian/dist/Ubuntu/control
Text conflict in sql/CMakeLists.txt
Conflict adding file sql/db.opt. Moved existing file to sql/db.opt.moved.
Conflict adding file sql/db.opt.moved. Moved existing file to sql/db.opt.moved.moved.
Text conflict in sql/mysqld.cc
Text conflict in support-files/mysql.spec.sh
8 conflicts encountered.
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merged with patch: bzr diff lp:codership-mysql/5.5 -r3795..3809
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bzr merge lp:maria/5.5
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Text conflict in CMakeLists.txt
Text conflict in sql/mysqld.cc
Text conflict in sql/sql_class.h
Text conflict in sql/sql_truncate.cc
4 conflicts encountered.
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merged codership-mysql/5.5 revisions: bzr diff -r3759..3767
merged codership-mysql/5.5 revisions: bzr diff -r3768..3771
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Merged latest MariaDB development in: bzr merge lp:maria/5.5
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Text conflict in CMakeLists.txt
Text conflict in sql/handler.h
Text conflict in support-files/CMakeLists.txt
3 conflicts
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Merge of:
lp:maria/5.5, #3334: http://bazaar.launchpad.net/~maria-captains/maria/5.5/revision/3334
lp:codership-mysql/5.5, #3725: http://bazaar.launchpad.net/~codership/codership-mysql/wsrep-5.5/revision/3725
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Signed-off-by: Sachin Setiya <sachin.setiya@mariadb.com>
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Signed-off-by: Sachin Setiya <sachin.setiya@mariadb.com>
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Replicated transaction extra gtid statement on slave failed to specify
an engine gtid_slave_pos name correctly. In case lower-case-table-names > 0
the InnoDB table name was generated to reproduce the lower-case-table-names=0 version
which is of mixed cases.
In rpl.rpl_mdev12179 test run this triggered a failure to DROP table which
was due to the innodb table handle was not closed:
InnoDB: Waited XYZ seconds for ref-count on table: `mysql`.`gtid_slave_pos_innodb`
on windows.
The closing issue was caused by having the table registered twice in the table cache,
for its lower- and mixed- case name versions. The DROP-table handler closed only
only one of the cache item to leave the 2nd one active.
(On Linux a failure occurs earlier at attempt to open an expected lower-cased table:
Last_Error: Error during XID COMMIT: failed to update GTID state in mysql.gtid_slave_pos: 1146: Table 'mysql.gtid_slave_pos_InnoDB' doesn't exist
but the table's name as the message shows is not in the right case).
Fixed with consulting lower-case-table-names when the engine gtid-slave-pos table
is created.
Note the lower-case-table-names=a-value created table will not recognized when next
the lower case option changes to a different value.
In 10.4 a follow-up patch is going to lowercase gtid-slave-pos autocreated table
at once at their origination, and a warning is issued in the 10.3 current patch.
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These test can sporadically show mutex deadlock warnings between LOCK_wsrep_thd
and LOCK_thd_data mutexes. This means that these mutexes can be locked in opposite
order by different threads, and thus result in deadlock situation.
To fix such issue, the locking policy of these mutexes should be revised and
enforced to be uniform. However, a quick code review shows that the number of
lock/unlock operations for these mutexes combined is between 100-200, and all these
mutex invocations should be checked/fixed.
On the other hand, it turns out that LOCK_wsrep_thd is used for protecting access to
wsrep variables of THD (wsrep_conflict_state, wsrep_query_state), whereas LOCK_thd_data
protects query, db and mysys_var variables in THD. Extending LOCK_thd_data to protect
also wsrep variables looks like a viable solution, as there should not be a use case
where separate threads need simultaneous access to wsrep variables and THD data variables.
In this commit LOCK_wsrep_thd mutex is refactored to be replaced by LOCK_thd_data.
By bluntly replacing LOCK_wsrep_thd by LOCK_thd_data, will result in double locking
of LOCK_thd_data, and some adjustements have been performed to fix such situations.
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ALGORITHM=INSTANT
Introduced new alter algorithm type called NOCOPY & INSTANT for
inplace alter operation.
NOCOPY - Algorithm refuses any alter operation that would
rebuild the clustered index. It is a subset of INPLACE algorithm.
INSTANT - Algorithm allow any alter operation that would
modify only meta data. It is a subset of NOCOPY algorithm.
Introduce new variable called alter_algorithm. The values are
DEFAULT(0), COPY(1), INPLACE(2), NOCOPY(3), INSTANT(4)
Message to deprecate old_alter_table variable and make it alias
for alter_algorithm variable.
alter_algorithm variable for slave is always set to default.
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Added to:
- if (error)
- Lex
- sql_yacc.yy and sql_yacc_ora.yy
- In header files to alloc() calls
- Added thd argument to thd_net_is_killed()
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Modern compilers (such as GCC 8) emit warnings that the
'register' keyword is deprecated and not valid C++17.
Let us remove most use of the 'register' keyword.
Code in 'extra/' is not touched.
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This reverts commit 0ea45725d85c8426c62f4d6707ae2029b49ceb3d,
since it breaks clang
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In this commit we are adding three more status variable to SHOW SLAVE
STATUS. Slave_DDL_Events and Slave_Non_Transactional_Events.
Slave_DDL_Groups:- This status variable counts the occurrence of DDL
statements
Slave_Non_Transactional_Groups:- This variable count the occurrence
of non-transnational event group.
Slave_Transactional_Groups:- This variable count the occurrence
of transnational event group.
Patch Credit:- Kristian Nielsen
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- Remove unused variables
- Mark variables unused
- Fix wrong types
- Add no-strict-aliasing to BUILD scripts
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-DWITH_ASAN can be used as well now, on x64
Fix many clang-cl warnings.
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'size_t' to 'type', possible loss of data)
Handle string length as size_t, consistently (almost always:))
Change function prototypes to accept size_t, where in the past
ulong or uint were used. change local/member variables to size_t
when appropriate.
This fix excludes rocksdb, spider,spider, sphinx and connect for now.
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This was done in, among other things:
- thd->db and thd->db_length
- TABLE_LIST tablename, db, alias and schema_name
- Audit plugin database name
- lex->db
- All db and table names in Alter_table_ctx
- st_select_lex db
Other things:
- Changed a lot of functions to take const LEX_CSTRING* as argument
for db, table_name and alias. See init_one_table() as an example.
- Changed some function arguments from LEX_CSTRING to const LEX_CSTRING
- Changed some lists from LEX_STRING to LEX_CSTRING
- threads_mysql.result changed because process list_db wasn't always
correctly updated
- New append_identifier() function that takes LEX_CSTRING* as arguments
- Added new element tmp_buff to Alter_table_ctx to separate temp name
handling from temporary space
- Ensure we store the length after my_casedn_str() of table/db names
- Removed not used version of rename_table_in_stat_tables()
- Changed Natural_join_column::table_name and db_name() to never return
NULL (used for print)
- thd->get_db() now returns db as a printable string (thd->db.str or "")
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