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connectors experimental galera main
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f80219f1ffade1ec861b25b5da7b837f94f09889
Sergei Golubchik
MDEV-39292 fix incorrect merge
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f139e207175b5bbb9f8f0bc24227c61379746218
Jan Lindström
MDEV-40027 : Galera Cluster-peer > Donor command execution

An appropriately privileged user (with SUPER privileges) could
execute shell commands as the uid of the mariadbd process
because the values of the system variable wsrep_sst_auth,
which can be modified at runtime, were not properly
sanitized when used to construct a shell command.

Combined rsync and mariabackup test cases and added
test case for incorrect values for wsrep_sst_auth.
e8b54ecaddde...
e8b54ecadddecc80f19c3015fb40e7d9605b6cff
Vladislav Vaintroub
bla
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e18080ca3acf210bd14171ae6abe2677c12a612e
Vladislav Vaintroub
meh7
df45a6e92570...
df45a6e92570c1df90f72d3ebdc63df4fa1ed849
Vladislav Vaintroub
meh
d8ae0a52756c...
d8ae0a52756c6c3644e678650313a76e1eab8b06
Aleksey Midenkov
MDEV-39384 Wrong result when selecting from precise-versioned table

Const item behave wrongly in read_record loop. const_item() turns on
cache in Arg_comparator::cache_converted_constant().

The fix manipulates table->map to force Item_field to be non-const.
d1693276d534...
d1693276d5344ba794805e8b5902aaff61edb77f
Sergei Golubchik
MDEV-40059 too long character_set_collations crash
c8f382faa795...
c8f382faa795c6e64dd3514586b2b8e191b57db3
drrtuy
disable sfinae-incomplete warning for DuckDB code.
bbd558c38616...
bbd558c38616ce24bd2973486763c2a7c4db0969
forkfun
Merge branch '10.11' into '11.4'
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b9809c07b412456b194ab342e26d6432e85edf09
Kristian Nielsen
Document the correct use of replication terminology

Signed-off-by: Kristian Nielsen <[email protected]>
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9f4f8d6f1f559a3a5fd864b4669da5555279a201
Vladislav Vaintroub
meh
8ccef67aef61...
8ccef67aef61a1200fcde2685018f795c64b63b6
Rex Johnston
MDEV-30073 Wrong result on 2nd execution of PS for query with NOT EXISTS

Summary: Items of type Item_direct_view_ref which are reverted with the
change_item_tree mechanism are involved in permanent optimizer
transformations.  This commit ensures that items involved in these
permanent transformations are created during the first execution
and re-used for subsequent executions.

Queries affected by this bug are numerous, but will always involve
1) 2nd execution of a prepared statement or procedure
2) a permanent transformation, such as a semi-join optimization

Detail:

Consider this run as a prepared statement
SELECT * FROM t1
  WHERE EXISTS
  (
    SELECT dt.a FROM
      (
        SELECT t2a as a, t2b as b FROM t2
      ) dt
      WHERE dt.b = t1a
  )

During name resolution of field dt.b (in the where clause) we end
up calling find_field_in_view()/.../create_view_field().
This is responsible for creating a wrapper around the found Item
(Item_field*)`test`.`t2`.`t2b`
While this Item_direct_view_ref representing 'dt.b' is allocated on
Statement (permanent) memory the change is registered to be reversed
at the end of statement execution.  This is odd and contrary to the
permanent nature of this transformation.

Item::exists2in_processor() is called during the preparation in the
first execution.
We transform the query from
select * from t1 where
exists
(
  select `test`.`t2`.`t2b` from
    (
      select `test`.`t2`.`t2a` AS `a`,`test`.`t2`.`t2b` AS `b` from `test`.`t2`
    ) `dt`
    where `test`.`t2`.`t2b` = `test`.`t1`.`t1a`
    limit 1
)

select * from t1 where
`test`.`t1`.`t1a` in
(
  select `test`.`t2`.`t2b` from
    (
      select `test`.`t2`.`t2a` AS `a`,`test`.`t2`.`t2b` AS `b` from `test`.`t2`
    ) `dt`
    where 1
)

later, the optimizer merges the derived table dt into it's parent

select * from t1 where
`test`.`t1`.`t1a` in
(
  select `test`.`t2`.`t2b` from t2 where 1
)

then this is transformed into a semi-join

select t1.* from t1 semi join t2 on t1a = t2b

At the end of the first execution, the item t2b above is reverted to
dt.b.  During the subsequent name resolution of dt.b, it is resolved
t2a, and the semi-join executed corresponds to

select t1.* from t1 semi join t2 on t1a = t2a

causing a different result set.

Initial Author: Igor Babaev
Reformatted and refactored by: Rex Johnston ([email protected])

Add assert to ensure Item_direct_view_refs are not allocated on
the 2nd execution.
8b27beead627...
8b27beead6277f1fc15a750f7c226be3761e14cc
Jan Lindström
MDEV-40056 : Analyze Galera Dynamic Variables Susceptible to RCEs

Fix potential issue with wsrep_node_address by allowing
only correctly constructed address.
886ce6935a10...
886ce6935a104c86951e57f41d082c02ed95cc02
Vladislav Vaintroub
meh6
86c9bc3fd153...
86c9bc3fd153bbad865f7642e877c46df4d8828f
Thirunarayanan Balathandayuthapani
- Changing the order how --prepare resolves mariadbd
867d16cea744...
867d16cea74450d2cd331f9e8d6564bd70c6fe13
forkfun
Merge branch '11.4' into '11.8'
866a504af2b7...
866a504af2b7e930366e51862ba455d74850d9b3
Aleksey Midenkov
WITHOUT_ABI_CHECK followup

Followup for b337e14440b as info_src takes time too.
info_src does not make much sense without ABI check.
821fe49dbbb2...
821fe49dbbb29235f721ebdfbefad17002f0272c
Vladislav Vaintroub
MDEV-40001 my_sync() does not use NtFlushBuffersFileEx()

Copy the logic from Innodb. Use a fallback to FlushFileBuffers(), if
NtFlushBuffersFileEx() fails.

my_winfile.c is renamed to my_winfile.cc, since it is using a C++ feature,
initialization of global variable using non-constant expression.
Exported functions remain extern "C"
7fc6fce20dbb...
7fc6fce20dbb89b04af77bee540e4451a6a7c9c6
Sergei Golubchik
update CODING_STANDARDS.md for agent era

* moved human-oriented hopefully eventually consistent codiing style
  document to https://mariadb.org/about/coding-style/
* rewrote the document in an agent friendly way: main rule first,
  don't repeat rules that the agent would follow by default anyway,
  highlight differences with the defaults, don't overdo explaining.
* asked claude to look through sql/ and mysys/ extract common patterns and
  add them here as rules
7f4d14a771f9...
7f4d14a771f9b4d117338d5090c671a9f2a1892e
Vladislav Vaintroub
meh2
7555deebfa45...
7555deebfa45faaa89e4849475de78eae71cf2dc
Aleksey Midenkov
MDEV-39384 Use index in TR_table::query

TR_table::query() used table scan. Now utilize the index if possible,
with minimum validity detection. Getting trx_id by commit_ts is still
suboptimal is it does two index accesses (as limited by fields in
commit_ts index).

When the index detection fails TR_table::query() falls back to
original table scanning method.
5d7286aa537a...
5d7286aa537a03d8c51a64f4f7d78c269e0a416c
Aleksey Midenkov
MDEV-39384 Debug trace

mtrr --mysqld=--debug=d,vers_trx_id,query:i:o,/tmp/good.log bug/v.trx_id,debug
5ce03b58068f...
5ce03b58068ff808a3f445935d7cea4a04586eef
forkfun
Merge branch '12.3' into '13.0'
4ec1ff493ea8...
4ec1ff493ea8da5867f9763b2ee4ef70684e4d80
drrtuy
chore: avoid building DuckDB at x86_32.
4ddfb70fedbb...
4ddfb70fedbbbaa95381c81e04f253678c134275
Vladislav Vaintroub
meh3
4b8695b8d865...
4b8695b8d865bd72d1212db317a61900f348a52e
Vladislav Vaintroub
meh4
3c684f1e6942...
3c684f1e694281a48c257496f09ccc61dde960fc
Oleg Smirnov
MDEV-36344: UBSAN Lifo_buffer::have_space_for change

Adjust Lifo_buffer::have_space_for to not lead itself to UBSAN
overflows.
3170875cb60b...
3170875cb60bd1d2003bbf765a2158e60d1ed46d
forkfun
Merge branch '11.8' into '12.3'
29e43967f4f2...
29e43967f4f2c1a1d4af3372354bd203b8418152
Sergei Golubchik
only check for duckdb stuff if target duckdb is enabled
1fb075512a7a...
1fb075512a7aeab8646a163cbb6f265c49f4c075
Sergei Golubchik
refactor submodule.cmake to fetch less

don't update all submodules automatically,
only update those that are actually used by the build
19e844cf451b...
19e844cf451bd0082e2ea7732d10b76e518cfd22
Rex Johnston
MDEV-39499 Updates to derived-with-keys, window functions determining

..records per key

Enabling derived keys optimization for derived.col = const pushed
conditions.

Estimating records per key in derived key for the optimizer
based on form and/or size of components of a derived table.

Consider any derived table of the form

SELECT ..., ROW_NUMBER ()  OVER (PARTITION BY c1,c2 order by ...)
FROM t1, t2, t3 ...
WHERE ...

If the optimizer generates a key on this derived table because of
a constraint being pushed into it, it currently will not consider key
components of the form  col = const

We lift this constraint and add code to TABLE::add_tmp_key to search
for a window function ROW_NUMBER().  From the partition list c1, c2 we
can in infer an estimate of the number of rows we expect to see for
each key value.  In the absence of EITS, we still have an number of
expected records in our referred to table and will fall back to using
that as a worst case scenario.

As a consequence of forcing best_access_path to now consider a generated
index's records per key on any type of derived table, we see a number of
optimization changes, for example a range optimizer might now be
considered best and might return IMPOSSIBLE_RANGE (seen in
rowid_filter_myisam.result).
0ec9282ffb34...
0ec9282ffb345ba442304b18ced5b64b680697b2
Vladislav Vaintroub
meh
0d59c434fab0...
0d59c434fab044ad5a28e24c5608959da14e5b0b
Oleksandr Byelkin
Merge branch '10.6' into 10.11
0cb2cc959eb4...
0cb2cc959eb4ecaed42deadb5eb93e13dd6835e3
Dmitry Shulga
MDEV-40004: Server crashes in sp_head::register_instr_mem_root_for_deallocation upon shutdown

n shutdown server could crash in case triggers executed during server run
and some of triggers instructions were re-compiled.

The crash is caused by attempt to allocate a memory for storing pointers
on mem_roots used for memory allocation taken place on re-parsing failing
trigger's statements. The reason of crash is dereferencing of nullptr
returning by the function current_thd().

To fix the issue, use dummy THD on shutdown the table definition cache.
tdc_start_shutdown() is solely invoked from the function clean_up()
but the later is called from many places around the source code, not only
from mysql_main(), particularly clean_up() is called from unireg_abort().
Therefore, the extra argument added into the signature of the function
cleanup() to allow explicit request of use dummy THD on shutdown the table
definition cache.
0bf0e13a2238...
0bf0e13a2238a97593feda1fea133340861c0736
Sergei Golubchik
MDEV-40058 cached_sha2_password crashes on zero-length password

valid encrypted password cannot have zero length and must end with '\0'
05013f8a6dea...
05013f8a6deadcd1b7dcf75628f4371ac970c38b
Vladislav Vaintroub
meh7
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