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There is a gap between connection spawn time and connection becoming
killable time (registration in server_threads). If shutdown is initiated
when such connection is being executed through this gap, connection may
access destroyed data or cause shutdown hang.
Fixed by adding a counter of connections going through this gap and
waiting until this counter drops down to 0 on shutdown.
Part of
MDEV-18353 - Shutdown may miss to wait for connection thread
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Part of
MDEV-18353 - Shutdown may miss to wait for connection thread
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CHARACTER_SET_RESULTS to NULL and running any invalid SQL | Binary_string::copy_printable_hhhh
The old code did not take into account that
thd->variables.character_set_results can be NULL.
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commit d467bb7e5e7902cf763c86cae71fde4f08e2ae3e accidentally
broke the build without WSREP, by misplacing an #endif.
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FOREIGN_KEY_CHECKS is disabled
- Referenced index can be null While renaming the referenced column name.
In that case, rename the referenced column name in dict_foreign_t and
find the equivalent referenced index.
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This is a partial backport of
commit 5e7e7153b439ea1b12588f5830d66b3a0cf13414 from 10.4.
assert_trx_is_free(): Assert !is_wsrep().
trx_init(): Do not initialize trx->wsrep, because it must have been
initialized already.
trx_commit_in_memory(): Invoke wsrep_commit_ordered(). This call
was being skipped, because the transaction object had already been
freed to the pool.
trx_rollback_for_mysql(), innobase_commit_low(),
innobase_rollback_trx(): Always reset trx->wsrep.
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https://stackoverflow.com/questions/60625778/import-complex-xml-from-multiple-files-in-mariadb/60637429#60637429
Import complex XML from multiple files in MariaDB
Some row results are missing and replaced by the last file one.
Thats because Nx and Sx column members are not reset when changing file.
modified: storage/connect/tabxml.cpp
modified: storage/connect/tabxml.h
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https://stackoverflow.com/questions/60625778/import-complex-xml-from-multiple-files-in-mariadb/60637429#60637429
Import complex XML from multiple files in MariaDB
Some row results are missing and replaced by the last file one.
Thats because Nx and Sx column members are not reset when changing file.
modified: storage/connect/tabxml.cpp
modified: storage/connect/tabxml.h
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queues.c cleanup and refactoring.
Restore old version of _downhead() (from before cd483c55209)
that works well in an average case. Use it for queue_fix().
Move existing specialized version of _downhead() to queue_replace()
where it'll be handling the case it was specifically optimized for
(moving the element to the end of the queue).
And correct it to fix the heap not only down, but also up
(this fixes BUG#30301356).
Add unit tests.
Collateral cosmetic fixes.
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CONCAT_WS didn't have it
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DEREFERENCE IN LIBMYSQL
DESCRIPTION:
============
There can be issues if the packets sent by the server
are not proper. Certain checks should be performed at the
client side while unpacking fields data.
FIX:
====
Check for the appropriate fields data and error out if it
is not present.
RB: 23601
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The event scheduler has a THD which is used for e.g. keeping track
of the timing of the events. Thus, each scheduling of an event will
make use of this THD, which in turn allocates memory in the THD's
mem root. However, the mem root was never cleared, and hence, the
memory occupied would monotonically increase throughout the life
time of the server.
The root cause was found by Jon Olav Hauglid, and this fix clears the
THD's mem root for each event being scheduled.
Change-Id: I462d2b9fd9658c9f33ab5080f7cd0e0ea28382df
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IN SERVER EXIT
in fact, in MariaDB it cannot, but it can show spurious slaves
in SHOW SLAVE HOSTS.
slave was registered in COM_REGISTER_SLAVE and un-registered after
COM_BINLOG_DUMP. If there was no COM_BINLOG_DUMP, it would never
unregister.
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test case
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Cause:
In case of version based condtional comments, if the condition evaluates
to false, it is converted to a regular comment for replication by
replacing "!" by " ".
Nested comment in a conditional comment is replicated as is. Nested
comments are supported only in case of conditional comments and when a
the comment on slave is no more a conditional comment, the statement
execution fails on the slave.
Fix:
Convert the nested comment, start from "/*" to "(*" and comment end from
"*/" to "*)" for replication.
Change-Id: I1a8e385a267b2370529eade094f0258fa96886c0
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The name was correctly encoded in UTF-8 before
commit 0ce12f70ed2eee1b92e2af27e7dda30db544f492.
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In case of ipv6 not enabled tests like `main.ipv6, rpl.rpl_ipv6` failed on
aarch buildbot.
Fix it by following commits 70dcb46e98e6 and 0bae1957dd124f8382a for
`10.2`.
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The first patch for the bug was erroneous: it did not take into account
the fact that the modified function get_key_scans_params() was called in
different contexts. As a result the patch caused a regression bug MDEV-22191.
The patch for this bug introduced an extra parameter. Actually we can
do without this parameter and use the fourth parameter for the same
puropose - to differentiate between the calls of the function for range
access and for index merge access.
Also removed the call of get_key_scans_params() in the code of the function
merge_same_index_scans() as not needed.
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This PR fixes wrong size argument passed in `strncmp(arg, "--parent-pid", 10)` as the `"--parent-pid"` string has length of 12.
Closes #1502
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Fix mtr error:
Bareword "HAVE_WIN32_CONSOLE" not allowed while "strict subs" in use at mysql-test-run.pl line 387.
Execution of mysql-test-run.pl aborted due to compilation errors.
Added in e3f5789ac0b23a16bb71e06b05dec9cfec3161f0
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Also fix the link to unicode.org repo, it is now on github.
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Port this functionality from to Windows.
It requires Win32::Console module, which is already included into
Strawberry perl
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This is a way do disable DBUG_ENTER()/DBUG_EXIT() stuff which is
needed to dbug trace. Those who doesn't need it may avoid tests
slowdown with -DWITH_DBUG_TRACE=OFF
dbug/tests.c: add define which is neede always in this test
innodb.log_file_name_debug.test: do not depend on DBUG trace stuff
in test
Benchmark results: each test eats less CPU and you can have more
parallel jobs in MTR.
patched:
./mtr -mem -par=8 -suite=innodb 185.34s user 86.85s system 133% cpu 3:23.27 total
./mtr -mem -par=8 -suite=main 80.96s user 36.01s system 182% cpu 1:04.07 total
main.select [ pass ] 1660
main.select [ pass ] 1513
main.select [ pass ] 1543
main.select [ pass ] 1660
main.select [ pass ] 1521
main.select [ pass ] 1511
main.select [ pass ] 1508
main.select [ pass ] 1520
main.select [ pass ] 1514
main.select [ pass ] 1522
vanilla:
./mtr -mem -par=8 -suite=innodb 203.61s user 92.16s system 140% cpu 3:30.16 total
./mtr -mem -par=8 -suite=main 94.11s user 35.51s system 206% cpu 1:02.69 total
main.select [ pass ] 2032
main.select [ pass ] 2017
main.select [ pass ] 2040
main.select [ pass ] 2183
main.select [ pass ] 2253
main.select [ pass ] 2075
main.select [ pass ] 2109
main.select [ pass ] 2080
main.select [ pass ] 2098
main.select [ pass ] 2114
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Result content mismatch
Add wait_condition to make sure that node contains all the rows
expected.
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thanks to:
perl -i -pe 's/\boffset_t\b/rec_offs/g' $(git grep -lw offset_t storage/innobase)
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sig_return: Solaris/OSX returns different function ptr
Move defination to my_alarm.h as its the only use.
prevents compile warnings (copied from 10.3 branch)
mysys/my_sync.c:136:19: error: 'cur_dir_name' defined but not used [-Werror=unused-const-variable=]
136 | static const char cur_dir_name[]= {FN_CURLIB, 0};
| ^~~~~~~~~~~~
fix compile error (DEPRECATED) leaked from ssl headers.
In file included from /export/home/dan/mariadb-server-10.4/sql/sys_vars.cc:37:
/export/home/dan/mariadb-server-10.4/sql/sys_vars.ic:69: error: "DEPRECATED" redefined [-Werror]
69 | #define DEPRECATED(X) X
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In file included from /export/home/dan/mariadb-server-10.4/include/violite.h:150,
from /export/home/dan/mariadb-server-10.4/sql/sql_class.h:38,
from /export/home/dan/mariadb-server-10.4/sql/sys_vars.cc:36:
/usr/include/openssl/ssl.h:2356: note: this is the location of the previous definition
2356 | # define DEPRECATED __attribute__((deprecated))
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Avoid Werror condition on non-Linux:
plugin/server_audit/server_audit.c:2267:7: error: variable 'db_len_off' set but not used [-Werror=unused-but-set-variable]
2267 | int db_len_off;
| ^~~~~~~~~~
plugin/server_audit/server_audit.c:2266:7: error: variable 'db_off' set but not used [-Werror=unused-but-set-variable]
2266 | int db_off;
| ^~~~~~
auth_gssapi fix include path for Solaris
Consistent with the upstream packaged patch:
https://github.com/OpenIndiana/oi-userland/blob/oi/hipster/components/database/mariadb-103/patches/06-gssapi.h.patch
compile warnings on Solaris
[ 91%] Building C object plugin/server_audit/CMakeFiles/server_audit.dir/server_audit.c.o
/plugin/server_audit/server_audit.c: In function 'auditing_v8':
/plugin/server_audit/server_audit.c:2194:20: error: unused variable 'db_len_off' [-Werror=unused-variable]
2194 | static const int db_len_off= 128;
| ^~~~~~~~~~
/plugin/server_audit/server_audit.c:2193:20: error: unused variable 'db_off' [-Werror=unused-variable]
2193 | static const int db_off= 120;
| ^~~~~~
/plugin/server_audit/server_audit.c:2192:20: error: unused variable 'cmd_off' [-Werror=unused-variable]
2192 | static const int cmd_off= 4432;
| ^~~~~~~
At top level:
/plugin/server_audit/server_audit.c:2192:20: error: 'cmd_off' defined but not used [-Werror=unused-const-variable=]
/plugin/server_audit/server_audit.c:2193:20: error: 'db_off' defined but not used [-Werror=unused-const-variable=]
2193 | static const int db_off= 120;
| ^~~~~~
/plugin/server_audit/server_audit.c:2194:20: error: 'db_len_off' defined but not used [-Werror=unused-const-variable=]
2194 | static const int db_len_off= 128;
| ^~~~~~~~~~
cc1: all warnings being treated as errors
tested on:
$ uname -a
SunOS openindiana 5.11 illumos-b97b1727bc i86pc i386 i86pc
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Fix pointer calculations in the Session_tracker::store.
Most of the fix for this bug goes to the 10.5, but this part should be also fixed
earlier.
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- Instant alter should change the metadata alone when table is
discarded. It shouldn't try to add metadata record in clustered index.
Also make the clustered index to non-instant format.
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- ALTER_ALGORITHM should be substituted when there is no mention of
algorithm in alter statement.
- Introduced algorithm(thd) in Alter_info. It returns the
user requested algorithm. If user doesn't specify algorithm explicitly then
it returns alter_algorithm variable.
- changed algorithm() to get_algorithm(thd) to return algorithm name for
displaying the error.
- set_requested_algorithm(algo_value) to avoid direct assignment on
requested_algorithm variable.
- Avoid direct access of requested_algorithm to encapsulate
requested_algorithm variable
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- Added the test case to prove that alter_algorithm variable doesn't
affect when ALTER statement during PREPARE PHASE or CREATE PROCEDURE.
Only when execution/call happens, alter uses the alter_algorithm
variable when user does not mention algorithm explicitly
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For a unique key if all the keyparts are NOT NULL or the predicates involving
the keyparts is NULL rejecting, then we can use EQ_REF access instead of ref
access with the unique key
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Maybe this patch will help catch problems like buffer overflow.
log_t::first_in_use: removed
log_t::buf: this is where mtr_t are supposed to append data
log_t::flush_buf: this is from server writes to a file
Those two buffers are std::swap()ped when some thread is gonna write
to a file
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