| Commit message (Collapse) | Author | Age | Files | Lines |
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Changes on top of Sachin’s patch. Specifically:
1) Refined the parsing break condition to only change the parser’s
behavior for parsing strings in binary mode (behavior of \0 outside
of strings is unchanged).
2) Prefixed binary_zero_insert.test with ‘mysql_’ to more clearly
associate the purpose of the test.
3) As the input of the test contains binary zeros (0x5c00),
different text editors can visualize this sequence differently, and
Github would not display it at all. Therefore, the input itself was
consolidated into the test and created out of hex sequences to make
it easier to understand what is happening.
4) Extended test to validate that the rows which correspond to the
INSERTS with 0x5c00 have the correct binary zero data.
Reviewed By:
===========
Andrei Elkin <andrei.elkin@mariadb.com>
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Problem:- Some binary data is inserted into the table using Jconnector. When
binlog dump of the data is applied using mysql cleint it gives syntax error.
Reason:-
After investigating it turns out to be a issue of mysql client not able to properly
handle \\\0 <0 in binary>. In all binary files where mysql client fails to insert
these 2 bytes are commom (0x5c00)
Solution:-
I have changed mysql.cc to include for the possibility that binary string can
have \\\0 in it
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If a table has no unique indexes, write set key information will be collected on all columns in the table.
The write set key information has space only for max 3500 bytes for individual column, and if a varchar colummn of such non-primary key table is longer than
this limit, currently a crash follows.
The fix in this commit, is to truncate key values extracted from such long varhar columns to max 3500 bytes.
This may potentially lead to false positive certification failures for transactions, which operate on separate cluster nodes, and update/insert/delete table rows, which differ only in the part of such long columns after 3500 bytes border.
Reviewed-by: Jan Lindström <jan.lindstrom@mariadb.com>
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Normally we disable caching of routines in "SHOW CREATE".
Introduce an exception, if debug_dbug="+d,cache_sp_in_show_create".
lock_sync.test needs a way to populate the cache without side effects,
or else it runs into debug_sync timeouts.
So, this possibility to cache will be remain only for very special tests.
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Let us mask the actual values of the defragmentation-related fields,
because they may vary. Also, remove the dependency on purge,
and instead delete records by a ROLLBACK of INSERT.
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Use in_sum_func (and so nest_level) only in LEX to which SELECT lex belong to
Reduce usage of current_select (because it does not always point on the correct
SELECT_LEX, for example with prepare.
Change context for all classes inherited from Item_ident (was only for Item_field) in case of pushing down it to HAVING.
Now name resolution context have to have SELECT_LEX reference if the context is present.
Fixed feedback plugin stack usage.
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Occasionally, after restart, additional transactions will have been
executed, possibly related to innodb_stats_auto_recalc.
We should only care that the transaction ID sequence does
not go backwards.
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Apparently, slow shutdown is not necessary anymore after MDEV-15912 fix
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The reason for this behavior is that SP get cached, per connection.
The stored_program_cache is size of this cache, which amounts to 256
routines by default. A compiled stored procedure can easily be several
megabytes in size. Thus calling SHOW CREATE PROCEDURE for all stored
procedures, like mysqldump does, can require significant amount of memory.
Fixed by bypassing the cache for "SHOW CREATE". This should normally be
fine also perfomance-wise, as cache is meant to be used for repeated
execution, not repeated SHOW CREATEs.
Added a test to verify that CREATE PROCEDURE + SHOW CREATE PROCEURE do not
cache, i.e amount of allocated memory does not change.
Note, there is a change in existing behavior in an edge case :
If "SHOW CREATE PROCEDURE p1" called from p1, after p1 was altered, now
this will now return altered code. Previour behavior - relied on caching
and would return old code. The previous behavior might was not necessarily
correct.
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Revert 88a4be75a5f3b8d59ac8f6347ff2c197813c05dc and
9d97f92febc89941784d17d59c60275e21140ce0, which had been
prematurely pushed by accident.
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Fixed flaws with overly strict or, conversely,
overly soft verification of certificates in some
scenarios:
1. Removed the check that the 'commonname' (CN) in the
certificate matches the 'localhost' value on the side
of the joiner node, which was performed earlier, even
if the address was received by the script only as an
argument (out of the exchange via the Galera protocol) -
since for the joining node this argument always contains
its own local address, not the address of the remote host,
so it is always treated as 'localhost', which is not
necessarily true (outside of mtr testing);
2. Removed checking the domain name or IP-address of the
peer node in the encrypt=2 mode;
3. Fixed checking of compliance of certificates when
rsync SST is used;
4. Added the ability to specify CA not only as a file,
but also as a path to the directory where the certificates
are stored. To do this, the user just needs to specify the
path to this directory as the value ssl-ca or tca parameter,
ending with the '/' character.
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RedHat systems have both files for lsb and init functions.
Old code was written as if/else, so second file (RedHat-specific) was not processed.
So, systemd redirect didn't work, because its logic is described in
RedHat-specific functions file
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This reverts commit 30dea4599e44e3008fb9bc5fe79ab5747841f21f.
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This patch is the plan D variant for fixing potetial mutex locking
order exercised by BF aborting and KILL command execution.
In this approach, KILL command is replicated as TOI operation.
This guarantees total isolation for the KILL command execution
in the first node: there is no concurrent replication applying
and no concurrent DDL executing. Therefore there is no risk of
BF aborting to happen in parallel with KILL command execution
either. Potential mutex deadlocks between the different mutex
access paths with KILL command execution and BF aborting cannot
therefore happen.
TOI replication is used, in this approach, purely as means
to provide isolated KILL command execution in the first node.
KILL command should not (and must not) be applied in secondary
nodes. In this patch, we make this sure by skipping KILL
execution in secondary nodes, in applying phase, where we
bail out if applier thread is trying to execute KILL command.
This is effective, but skipping the applying of KILL command
could happen much earlier as well.
This patch also fixes mutex locking order and unprotected
THD member accesses on bf aborting case. We try to hold
THD::LOCK_thd_data during bf aborting. Only case where it
is not possible is at wsrep_abort_transaction before
call wsrep_innobase_kill_one_trx where we take InnoDB
mutexes first and then THD::LOCK_thd_data.
This will also fix possible race condition during
close_connection and while wsrep is disconnecting
connections.
Added wsrep_bf_kill_debug test case
Reviewed-by: Jan Lindström <jan.lindstrom@mariadb.com>
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Revert "MDEV-24873 galera.galera_as_slave_ctas MTR failed:..."
This reverts commit 29bbcac0ee841faaa68eeb09c86ff825eabbe6b6 and
later commit 5ecaf52d42a1e464c71515f35be97855072bcafe.
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last commit 8221708e389728aef799046eef3c49b1eec2e400 removed too much,
mtr is failing
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Create minidump when server fails to shutdown. If process is being
debugged, cause a debug break.
Moves some code which is part of safe_kill into mysys, as both safe_kill,
and mysqltest produce minidumps on different timeouts.
Small cleanup in wait_until_dead() - replace inefficient loop with a single
wait.
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trx_rseg_header_create(): Add a parameter for the value that is
to be written to TRX_RSEG_MAX_TRX_ID. If we omit this write, then
the updated test innodb.undo_truncate will fail for the 4k, 8k, 16k
page sizes. This was broken ever since
commit 947efe17ed8188ca4feef6deb0c2831a246b5c8f (MDEV-15158)
removed the writes of transaction identifiers to the TRX_SYS page.
srv_do_purge(): Truncate undo tablespaces also during slow shutdown
(innodb_fast_shutdown=0).
Thanks to Krunal Bauskar for noticing this problem.
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At least since commit 055a3334adc004bd3a897990c2f93178e6bb5f90
(MDEV-13564) the undo log truncation in InnoDB did not work correctly.
The main issue is that during the execution of
trx_purge_truncate_history() some pages of the newly truncated
undo tablespace could be discarded.
fsp_try_extend_data_file(): Apply the peculiar rounding of
fil_space_t::size_in_header only to the system tablespace,
whose size can be expressed in megabytes in a configuration parameter.
Other files may freely grow by a number of pages.
fseg_alloc_free_page_low(): Do allow the extension of undo tablespaces,
and mention the file name in the error message.
mtr_t::commit_shrink(): Implement crash-safe shrinking of a tablespace
file. First, durably write the log, then shrink the file, and finally
release the page latches of the rebuilt tablespace. Refactored from
trx_purge_truncate_history().
log_write_and_flush_prepare(), log_write_and_flush(): New functions
to durably write log during mtr_t::commit_shrink().
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conds
- Handle stored function conditions correctly, with the same logic as with UDFs.
- When running queries on Spider SE, by default, we do not push down WHERE conditions containing usage of UDFs/stored functions to remote data nodes, unless the user demands (by setting spider_use_pushdown_udf).
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SST scripts currently use Linux-specific construction
to create a temporary directory if the path prefix for
that directory is specified by the user. This does not
work with FreeBSD. This commit adds support for FreeBSD.
No separate test required.
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btr_defragment_save_defrag_stats_if_needed(): Do not save
defragmentation statistics for temporary tables.
They are exempt of defragmentation anyway
(ha_innobase::optimize() never invokes defragmentation for them),
and the user-visible names are not available inside InnoDB.
Furthermore, InnoDB assumes that temporary tables are never accessed
by other threads than the one that handles the session with which
the temporary table is associated with.
Furthermore, we simplify the test innodb.innodb_defrag_stats
and include a test case that demonstrates that defragmentation
statistics are no longer being saved for temporary tables.
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Test case fail to include undo tablespace while waiting for the
encryption thread to encrypt all existing tablespace
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Thanks Karl Levik
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release lock in all as cases n xbstream_open, also fix the case where malloc would return NULL.
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This file had not been compiled for long time.
Remove this from the tree.
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InnoDB could evict the fts auxiliary table in
row_fts_merge_insert(). So bulk insert could be
dealing with garbage FTS auxiliary table.Patch
should delay closing the table in row_fts_merge_insert().
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conds
- Handle stored function conditions correctly, with the same logic as with UDFs.
- When running queries on Spider SE, by default, we do not push down WHERE conditions containing usage of UDFs/stored functions to remote data nodes, unless the user demands (by setting spider_use_pushdown_udf).
- Disable direct update/delete when a udf condition is skipped.
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conflicts with MariaDB's packages
added alternative name for MariaDB-devel package to replace
mariadb-connector-c-devel from RHEL 8 distribution.
this patch is for 10.3+ on RHEL/Centos 8
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# Conflicts:
# cmake/os/Windows.cmake
# sql/sql_yacc.yy
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A conversion warning 4267 that we want to disable(prior to 10.3),
was suppressed with cmake VS generator for C++ and C, despite being set
only for CXX flags.
The fix is to disable the warning in C flags, too. In 10.2, this warning
is noisy, in 10.3 it is fixed.
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