| Commit message (Collapse) | Author | Age | Files | Lines |
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Note, the fix for "MDEV-23328 Server hang due to Galera lock conflict resolution"
was null-merged. 10.4 version of the fix is coming up separately
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It seems that memory is not freed when updated value is NULL or
when wsrep is not initialized before shutdown.
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Update
* galera/disabled.def
* galera_3_nodes/disabled.def
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Problem:
========
Auto purge of relaylogs stops when relay-log-file is
'slave-relay-log.999999' and slave_parallel_threads is enabled.
Analysis:
=========
The problem is that in Relay_log_info::inc_group_relay_log_pos() function,
when two log names are compared via strcmp() function, it gives correct
result, when log name sequence numbers are of same digits(6 digits), But
when the number goes to 7 digits, a 999999 compares greater than
1000000, which is wrong, hence the bug.
Fix:
====
Extract the numeric extension part of the file name, convert it into
unsigned long and compare.
Thanks to David Zhao for the contribution.
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multiple fields
Ignore table->fts freed previously by create_table_info_t::create_table().
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Database name mismatch happens while opening the table for
virtual column computation. Because table_name_parse() returns
the length of database and table name before converting the
filename to table name. This issue is caused by
commit 8b0d4cff0760b0a35285c315d82c49631c108baf (MDEV-15855).
Fix should be that table_name_parse() should return the length of
database and table name after converting the filename to table name.
Reviewed-by: Marko Mäkelä
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When online alter rollbacks due to MDL time out, it doesn't mark the
index online status as ONLINE_INDEX_ABORTED. Concurrent update fails
to update the secondary index while building the entry.
InnoDB should check the online status of the secondary index before
building the secondary index entry.
Reviewed-by: Marko Mäkelä
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Some DML operations on tables having unique secondary keys cause scanning
in the secondary index, for instance to find potential unique key violations
in the seconday index. This scanning may involve GAP locking in the index.
As this locking happens also when applying replication events in high priority
applier threads, there is a probabality for lock conflicts between two wsrep
high priority threads.
This PR avoids lock conflicts of high priority wsrep threads, which do
secondary index scanning e.g. for duplicate key detection.
The actual fix is the patch in sql_class.cc:thd_need_ordering_with(), where
we allow relaxed GAP locking protocol between wsrep high priority threads.
wsrep high priority threads (replication appliers, replayers and TOI processors)
are ordered by the replication provider, and they will not need serializability
support gained by secondary index GAP locks.
PR contains also a mtr test, which exercises a scenario where two replication
applier threads have a false positive conflict in GAP of unique secondary index.
The conflicting local committing transaction has to replay, and the test verifies
also that the replaying phase will not conflict with the latter repllication applier.
Commit also contains new test scenario for galera.galera_UK_conflict.test,
where replayer starts applying after a slave applier thread, with later seqno,
has advanced to commit phase. The applier and replayer have false positive GAP
lock conflict on secondary unique index, and replayer should ignore this.
This test scenario caused crash with earlier version in this PR, and to fix this,
the secondary index uniquenes checking has been relaxed even further.
Now innodb trx_t structure has new member: bool wsrep_UK_scan, which is set to
true, when high priority thread is performing unique secondary index scanning.
The member trx_t::wsrep_UK_scan is defined inside WITH_WSREP directive, to make
it possible to prepare a MariaDB build where this additional trx_t member is
not present and is not used in the code base. trx->wsrep_UK_scan is set to true
only for the duration of function call for: lock_rec_lock() trx->wsrep_UK_scan
is used only in lock_rec_has_to_wait() function to relax the need to wait if
wsrep_UK_scan is set and conflicting transaction is also high priority.
Reviewed-by: Jan Lindström <jan.lindstrom@mariadb.com>
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failed: 1205: Lock wait timeout exceeded
Add wait_conditions to verify correct database state before
next operation.
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Use debug_sync to force FTWRL to pause in correct state.
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failed in bb with extra checkpoint
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The parameter innodb_idle_flush_pct that was introduced in
MariaDB Server 10.1.2 by MDEV-6932 has no effect ever since
the InnoDB changes from MySQL 5.7.9 were applied in
commit 2e814d4702d71a04388386a9f591d14a35980bfe.
Let us declare the parameter as deprecated and having no effect.
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It is unclear for how long the result has been broken, because
./mtr --big-test is not run regularly.
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statement protocol yet
Added sending of metadata in response to preparing request for
the commands SQLCOM_SHOW_BINLOG_EVENTS, SQLCOM_SHOW_RELAYLOG_EVENTS
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use USERNAME_CHAR_LENGTH and HOSTNAME_LENGTH for perfschema
USER and HOST columns
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not possible to ALTER TABLE
* be strict in CREATE TABLE, just like in ALTER TABLE, because
CREATE TABLE, just like ALTER TABLE, can be rolled back for any engine
* but don't auto-convert warnings into errors for engine warnings
(handler::create) - this matches ALTER TABLE behavior
* and not when creating a default record, these errors are handled
specially (and replaced with ER_INVALID_DEFAULT)
* always issue a Note when a non-unique key is truncated, because it's
not a Warning that can be converted to an Error. Before this commit
it was a Note for blobs and a Warning for all other data types.
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otherwise ALTER TABLE can break replication
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sql standard (2016) allows <collate clause> in two places in the
<column definition> - as a part of the <data type> or at the very end.
Let's do that too.
Side effect: in column/SP declaration `COLLATE cs_coll` automatically
implies `CHARACTER SET cs` (unless charset was specified explicitly).
See changes in sp-ucs2.result
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order by mysqldump
Dump sequences first.
This atch made to keep it small and
to keep number of queries to the server the same.
Order of tables in a dump can not be changed
(except sequences first) because mysql_list_tables
uses SHOW TABLES and I used SHOW FULL TABLES.
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with unique blob
Cause: no table->update_handler cloned at the moment of
vers_insert_history_row(). update_handler is needed because there
can't be several inited indexes at once in the same handler. First
index is inited by QUICK_RANGE_SELECT::reset(). Then when history row
is inserted check_duplicate_long_entry_key() is done and it requires
another index.
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innobase_add_instant_try()
We may end up with an empty leaf page (containing only an ADD COLUMN
metadata record) that is not the root page.
innobase_add_instant_try(): Disable an optimization for a non-canonical
empty table that contains a metadata record somewhere else than in
the root page.
btr_pcur_store_position(): Tolerate a non-canonical empty table.
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cascading delete
Fix for MDEV-23033 fixes a problem in replication applying of transactions, which contain cascading foreign key delete for a table, which has indexed virtual column.
This fix adds slave_fk_event_map flag for table, to mark when the prelocking is needed for applying of a transaction.
See commit 608b0ee52ef3e854ce14a407e64e936adbbeba23 for more details.
However, this fix is targeted for async replication only, Rows_log_event::do_apply_event() has condition to rule out galera replication from the fix domain, and use cases suffering from MDEV-23033 and related MDEV-21153 will fail in galera cluster.
The fix in this commit removes the condition to rule out the setting of slave_fk_event_map flag from galera replication, and makes the fix in MDEV-23033 effective for galera replication as well.
Finally, a mtr test for virtual column support has been added. galera.galera_virtual_column.test has as first test a scenario from MDEV-21153
Reviewed-by: Jan Lindström <jan.lindstrom@mariadb.com>
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with wrong data type is added
Inplace alter fails to report error when fts_doc_id column with
wrong data type is added.
prepare_inplace_alter_table_dict(): Should check whether the column
is fts_doc_id. It should be of bigint type, should accept non null
data type and it should be in capital letters.
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table discovery with non-existent database
* failed init_from_binary_frm_image can clear share->db_plugin,
don't use it on the error path
* cleanup the test a bit
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failed: 1213: Deadlock found when trying to get lock
We need to complete SST if both new and old start positions are
not same as initial positions. If they are initial positions
just set local uuid and seqno.
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wsrep::client_state::disable_streaming
There were multiple problems here
* wsrep_trx_fragment_size should not be set when wsrep is disabled or provider is not loaded
* wsrep_trx_fragment_unit should not be set when wsrep is disabled or provider is not loaded
* wsrep_debug has no effect if wsrep is disabled or provider is not loaded
* wsrep_start_position should not be set when wsrep is disabled or provider is not loaded any other value than default
* wsrep_start_position should be changed only when we are joiner or initialized
* wsrep_start_position should be allowed to set only a value that exits, thus
we need to add error handling to wsrep_sst_complete
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cascading delete
Fix for MDEV-23033 fixes a problem in replication applying of transactions, which contain cascading foreign key delete for a table, which has indexed virtual column.
This fix adds slave_fk_event_map flag for table, to mark when the prelocking is needed for applying of a transaction.
See commit 608b0ee52ef3e854ce14a407e64e936adbbeba23 for more details.
However, this fix is targeted for async replication only, Rows_log_event::do_apply_event() has condition to rule out galera replication from the fix domain, and use cases suffering from MDEV-23033 and related MDEV-21153 will fail in galera cluster.
The fix in this commit removes the condition to rule out the setting of slave_fk_event_map flag from galera replication, and makes the fix in MDEV-23033 effective for galera replication as well.
However, the above fix has caused regressions for some galera_sr suite tests, which run tests for streaming replication.
This regression can be observed e.g. by: /mtr galera_sr.galera_sr_multirow_rollback --mysqld=--slave_run_triggers_for_rbr=yes
These galera_sr suite tests were failing in last phase of replication applying, where actual transaction is already applied, and streaming replication related meta data needs to be updated in wsrep system tables.
Opening the wsrep system tables failed for corrupt data in THD::lex:query_tables_list. The fix in this commit uses back query table list for the duration of fragment update operation.
Finally, a mtr test for virtual column support has been added. galera.galera_virtual_column.test has as first test a scenario from MDEV-21153
new fix
Reviewed-by: Jan Lindström <jan.lindstrom@mariadb.com>
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trx_rseg_update_wsrep_checkpoint on SET @@global.wsrep_start_position
Actual assertion mentioned on MDEV seems to be already fixed but
setting seqno to -2 will trigger a different assertion
mysqld: /home/jan/mysql/10.4-bugs/wsrep-lib/src/server_state.cpp:702: void wsrep::server_state::sst_received(wsrep::client_service&, int): Assertion `state_ == s_joiner || state_ == s_initialized' failed.
Fixed this by not allowing user to set seqno < -1 (-1 is special
seqno meaning undefined and seqno is initialized to it). MariaDB
releases 10.2 and 10.3 already do not allow to set seqno < -1.
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mysqltest: Can't connect to local MySQL server
Make test faster
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connect to local MySQL server
Test uses Galera debug sync.
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isolation failure
Add wait_condition so that INSERT is replicated before ALTER
and ALTER is replicated before we try to INSERT with new
number of columns.
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The fix of MDEV-17556 (commit e25623e78a3efde05e30070dc7362f8dc0d8c459
and commit 61a362c9493df63dc588fcb71409537ae56ab9c8) has been
omitted due to conflicts and will have to be applied separately later.
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