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[Maria-developers] bb-10.2-compatibility - Updatable cursor
by jerome brauge 14 Mar '17

14 Mar '17

Hello Alexander, Can you add a task for updatable cursor (for positioned update and delete). Regards, Jérôme.

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[Maria-developers] Filtered transactions coming through mysql/mariadb replication to Galera cluster
by Jan Lindström 14 Mar '17

14 Mar '17

Hi, Galera cluster (https://github.com/codership/mysql-wsrep/commits/5.6) has new feature : commit 14301279075dc2b420f3173cc9c2eb7912db63de Author: sjaakola <seppo.jaakola(a)iki.fi> Date: Fri Nov 18 12:45:42 2016 +0200 Refs: MW-319 * replicating write set containing only GTID event of totally filtered transaction coming in through mysql replication * note that replicated WS will have no keys, and current debug version of Galera 3.19 will assert for no keys My questions: (1) If MySQL (5.6/5.7) replicates transactions to Galera cluster (assuming here that this cluster will contain MariaDB 10.0-10.2 nodes) does the server somehow see filtered GTID events ? (2) If MariaDB replicates transactions to Galera cluster are filtered transactions seen by Galera ? R: Jan

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Re: [Maria-developers] [Commits] [PATCH] Use size_t in thd_alloc() and friends.
by Sergei Golubchik 13 Mar '17

13 Mar '17

Hi, Marko! On Mar 11, Marko Mäkelä wrote: > THD::alloc() and related member functions use size_t parameters. > > thd_alloc(), thd_calloc(), thd_strmake(), thd_memdup(): > Define the interface with size_t instead of unsigned int, to avoid > truncating integer conversions on 64-bit Windows, where size_t > is longer than unsigned int. > --- > include/mysql/plugin_audit.h.pp | 20 ++++++++++---------- > include/mysql/plugin_auth.h.pp | 20 ++++++++++---------- > include/mysql/plugin_encryption.h.pp | 20 ++++++++++---------- > include/mysql/plugin_ftparser.h.pp | 20 ++++++++++---------- > include/mysql/plugin_password_validation.h.pp | 20 ++++++++++---------- > include/mysql/service_thd_alloc.h | 21 +++++++++++---------- > sql/sql_class.cc | 10 +++++----- > sql/sql_class.h | 2 +- > storage/innobase/handler/ha_innodb.cc | 18 ++++++++---------- > 9 files changed, 75 insertions(+), 76 deletions(-) Marko, when you change the ABI of services you absolutely must update coresponding service versions in include/service_versions.h. May be, it's best not to break the ABI for such a minor reason and only change THD methods, not service functions. Regards, Sergei Chief Architect MariaDB and security(a)mariadb.org

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[Maria-developers] bb-10.2-compatibility
by jerome brauge 13 Mar '17

13 Mar '17

Hello Alexander, When I compiled some real procedures, I find some tables alias not supported by the current grammar. Example : create table t1 (col1 int); select dec.* from t1 dec; select mod.* from t1 mod; I have done a complete test on Oracle and Mariadb with all keywords used as variables, table alias and goto/block labels. You can find result in attached excel file. In addition, schema object names and qualifiers must complied with : https://docs.oracle.com/cd/B28359_01/server.111/b28286/sql_elements008.htm#… I tried to add these keywords in rules keyword_directly_assignable, keyword_sp_not_data_type and keyword_sp_data_type, but this generates too many conflicts. I think that some refactoring of the grammar rules must be done, but I don't know how to do this. Regards, Jérôme.

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[Maria-developers] MDEV-10598 - bb-10.2-compatibility
by jerome brauge 13 Mar '17

13 Mar '17

Hello Alexander, I've done this patch for MDEV-10598. Can you review it ? Regards, Jérôme.

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[Maria-developers] Please review MDEV-12239 Add Type_handler::Item_sum_{sum|avg|variance}_mod_length_and_dec()
by Alexander Barkov 13 Mar '17

13 Mar '17

Hello Alexey, Please review a patch for MDEV-12239. Thanks!

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[Maria-developers] MDEV-12238 Add Type_handler::Item_func_{plus|minus|mul|div|mod}_fix_length_and_dec()
by Alexander Barkov 13 Mar '17

13 Mar '17

Hello Alexey, Please review a patch for MDEV-12238. Thanks!

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Re: [Maria-developers] 23d1188: MDEV-10555: Server crashes in mysql_admin_table upon killing ANALYZE
by Sergei Golubchik 13 Mar '17

13 Mar '17

Hi, Oleksandr! On Mar 08, Oleksandr Byelkin wrote: > revision-id: 23d118899fe9fa030e61b6a9ac06df5210d36294 (mariadb-10.2.4-29-g23d1188) > parent(s): 5da6bd7b959af4a9755556afedde8f34d95c679a > committer: Oleksandr Byelkin > timestamp: 2017-03-08 19:05:44 +0100 > message: > > MDEV-10555: Server crashes in mysql_admin_table upon killing ANALYZE > > Take into acount result of open table operation in mysql_admin_table. Where's the test case? Otherwise ok to push. Regards, Sergei Chief Architect MariaDB and security(a)mariadb.org

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[Maria-developers] GSoC 2016 Student Introduction. [ MDEV-4989 ]
by Mike Reiss 12 Mar '17

12 Mar '17

Hi, I am Mike Reiss a MS Computer Science student and I would love to work on enhancing the mysqlbinlog tool during GSoC 2017 [MDEV-4989 <https://jira.mariadb.org/browse/MDEV-4989>]. I have studied the mysqlbinlog.cc file and experimented with the various options available in the my_options array of the tool. The proposed idea is straight forward to implement: We add the --start-gtid and --stop-gtid options to the array of options then parse the GTID passed to these options to get the GTID sequence number for the binlog. One quick question. Is there any relationship between a GTID sequence number and the argument passed to the --start-position option? that way we need to set the start position to the GTID sequence number. I am still doing more research into the source files and I will love to discuss this more with the mentor. I am having difficulties debugging mysqlbinlog on OS X sierra because it does not support GDB any ideas please? Thanks.

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[Maria-developers] Knowing the process
by Sagar Shivani 11 Mar '17

11 Mar '17

Dear sir / ma'am, > My name is sagar. I am interested in contributing into the project > idea of allowing different authentication processes per user. > I have skills in c and c++ programming language. Also i have learned SQL > previous semester. I would really like to know about the process to > pursue this idea. Please guide me .

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