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connectors experimental galera main
fda9d85c06ce...
fda9d85c06cebbb8a0e7d4a9cdf030d7ab85f36d
Daniel Black
MDEV-39813 ST_GeomFromGeoJSON does not control recursion depth

Geometry::create_from_json reset the killedptr and the stack
depth (stack_p) every time json_scan_start was called. We save/
restore these values so that the ST_GeomFrom_GeoJSON can be killed
and incur timeout, and also so that its depth measurement is kept.

Test case an bug report thanks to byteoverride.
f249b0196d9a...
f249b0196d9ab27eae00657f2aac81a20271e79e
Daniel Black
Merge 10.6 into 10.11
e558b406fe96...
e558b406fe96ee3eb91760ccb7bfb8c64e69106e
Daniel Black
MDEV-39276: Assertion `0` failed in json_find_path

This was resolved with MDEV-35548, however we add
two additional test cases.
de39d3031cbe...
de39d3031cbed70c03a36057fbc523d03cc112fb
Daniel Black
MDEV-39691 wsrep.cnf contains deprecated wsrep_causal_reads

wsrep_causal_reads was deprecated in 10.1.3 and removed in 11.3.1.
Put in place the equivalent (and default) wsrep_sync_wait=0.

Amend a few early comments to show MariaDB as our product.
d5592e0ef56b...
d5592e0ef56b09dc8297423adf12203de194913f
Aleksey Midenkov
MDEV-25529 TimestampString for printing timestamps
d051e8663a86...
d051e8663a8600cb899094498718859199a3ff0a
Oleg Smirnov
MDEV-32326 Recursive CTE reference in a scalar subquery must be rejected

A recursive reference to a WITH RECURSIVE table that is reachable only
through a scalar subquery (in particular through a WITH clause nested
inside such a subquery) was not recognized as a subquery reference. As a
result the recursive CTE was wrongly accepted as standard-compliant instead
of being rejected with ER_NOT_STANDARD_COMPLIANT_RECURSIVE, and execution
later dereferenced an uninitialized join_tab for that reference in
st_select_lex_unit::exec_recursive(), crashing the server.

The cause was in With_element::check_dependencies_in_unit(). The flag
marking that we are inside a subquery (in_subq) was updated only after the
unit's own WITH clause had already been analyzed. Hence dependencies
discovered while descending into a WITH clause attached to a scalar
subquery were recorded in top_level_dep_map instead of sq_dep_map, so
contains_sq_with_recursive_reference() failed to report the violation.

The fix: set in_subq from unit->item before processing the unit's WITH
clause, so that dependencies found in nested WITH clauses of a scalar
subquery are correctly attributed to the subquery context.

The expected error for the MDEV-32299 cases in cte_recursive.test changes
accordingly from ER_BAD_FIELD_ERROR to ER_NOT_STANDARD_COMPLIANT_RECURSIVE:
the query is now rejected at dependency analysis for its non-compliant
recursive reference rather than failing later during name resolution. The
test still verifies that no crash occurs.
ce10161d1390...
ce10161d13906ea7548535e5f744db540e78ab29
Daniel Black
MDEV-39541 mem_pressure::~mem_pressure() causes a crash on bootstrap

Fill in the anomaly shutdown paths of InnoDB to include call to
buf_mem_pressure_shutdown now that MDEV-39585 provides some
proper calls shutdown InnoDB and other plugins during the shutdown
under --bootstrap.

Alternate: destructor attribute on buf_mem_pressure_shutdown would
acheive the same thing and given Linux compilers are capabile of
this. This is possible as mem_pressure is currently implemented
in Linux only.
bd33b6e2f151...
bd33b6e2f1517a42c355f79d9357de4af174a9e7
Oleksandr Byelkin
MDEV-40159: Complete priv escalation for low priv user upon backup restore: DATA/INDEX DIRECTORY, symlinks

Correct append function called vor walue in quotes
b13341fa2381...
b13341fa2381470df4a2b065aa0d8e885770df91
Raghunandan Bhat
MDEV-38971: ASAN/UBSAN errors, assertion `is_valid_value_slow()` failure upon combination temporal functions and `ZERO_DATE_TIME_CAST`

Problem:
  The following functions-
  - `Item_func_last_day::get_date`
  - `Item_date_typecast::get_date`
  - `Item_datetime_typecast::get_date` forwarded the TIME_INTERVAL_DAY /
  TIME_INTERVAL_hhmmssff flags, set by an enclosing EXTRACT, into the
  DATE/DATETIME conversion of their argument.This made, for ex:
  LAST_DAY(200012010000) and CAST(200012010000 AS DATETIME) parse number
  as TIME interval instead of a DATETIME. Under ZERO_DATE_TIME_CAST
  that hour became an out-of-range month, overflowing days_in_month in
  `check_date` and invalidating the Datetime.

Fix:
  A DATE / DATETIME can never be an interval, so suppress the
  TIME_INTERVAL_hhmmssff / TIME_INTERVAL_DAY flags when `LAST_DAY` and
  `CAST` converts its argument. Also add a debug assert in `check_date`
  to catch any future caller that violates its "month is assumed valid"
  contract.
aeb827614d22...
aeb827614d22d539e259547fb7cb7c9df9f22b05
Thirunarayanan Balathandayuthapani
MDEV-39707 Assertion `lsn != 0' failed in log_write_up_to

Problem:
========
innodb_make_page_dirty(): Unconditionally calls log_write_up_to()
with mtr.commit_lsn() after committing the mini-transaction.
When the mtr produced no redo records when the targeted page
is full of zeroes.

Solution:
========
innodb_make_page_dirty(): Skip log_write_up_to() when
commit_lsn() is zero.
a9da6152fec4...
a9da6152fec4dfc7e7322d4231adef06ea853f7a
Aleksey Midenkov
MDEV-25529 set_up_default_partitions() ER_OUT_OF_RESOURCES error
9e240a387372...
9e240a387372fa7a50a46c1f4efc9c0cc8edaf52
Daniel Black
MDEV-39585: Support SHUTDOWN command on Windows in bootstrap

Don't perform mysqld_win_initiate_shutdown under --bootstrap when
triggered by SHUTDOWN. With this we don't perform any service
interactions.

Then the shutdown can proceeded without then hard process termination
in mysqld_win_initiate_shutdown. This previously occurred because the
handle_connections_win() was never called in --bootstrap and therefore
startup_complete() was false.

Thanks Vladislav Vaintroub for investigation and providing
implementation guidance.
9b83c5a25e53...
9b83c5a25e534790b94dedcc23accc75c9faa60e
forkfun
MDEV-30295 mysqldump produces syntactically incorrect statement

Remove version-specific executable comments, that were used for backward compatibility
with old MySQL versions (3.2, 4.0, 4.1, 5.0).
8eda90189340...
8eda90189340c31f7dfbae9ed870bfd8c0ad1776
Raghunandan Bhat
MDEV-39450: Memory corruption: overlapping memory ranges in `Field_longstr::compress` on UPDATE of compressed column

Problem:
  Values shorter than `column_compression_threshold` (default 100) are
  stored uncompressed. Reading such a column returns a pointer into that
  buffer rather than a copy.

  When the new value is a substring of the column that aliases this
  buffer at a non-zero offset, e.g. `RIGHT(c,n)` or `SUBSTRING(c,n)`,
  the source and destination overlap, and the `memcpy()` in the "store
  uncompressed" path copies overlapping regions, which is undefined
  behaviour.

Fix:
  Replace `memcpy` with `memmove` to avoid copying between overlapping
  memory regions.
8c11f86abd48...
8c11f86abd4848189f09eeca05b7f7427b230c6a
Daniel Black
MDEV-39585 mariadb bootstrap fails to perform plugin deinitalization

mariadbd under --bootstrap failed to preform plugin deinitialization.

The sleep(2);exit is removed and replaced to a goto termination label
to perform the same shutdown procedure of the server after all the
connection closing.

To prevent a compile error about char *user being uninitialized
this sql_print_information(ER_DEFAULT(ER_NORMAL_SHUTDOWN)) is moved to
its own block. The memory free did need to occur in the bootstrap mode
too to avoid memory leak errors.

wait_for_signal_thread_to_end(), was previously in close_connections()
however its required too for --bootstrap.
8712475643f0...
8712475643f01ca60f2f45d5e7c384e170c98864
Aleksey Midenkov
MDEV-25529 converted COMBINE macro to interval2usec inline function
84a859a63664...
84a859a636649505a5bc1f160c2ca9a0f5e89535
Vladislav Vaintroub
MDEV-38369 improve heap allocation performance on Windows with segmentHeap

Use modern segmentHeap heap manager on Windows.

The problem it is solving is severily reduced scalability on concurrent
OLTP benchmarks, due to inherent scalability problems in default NT Heap
implementation.

The benchmarks (see the corresponding ticket) show improvements across
the board, with about 5-10% on low concurrency up to several orders of
magnitude on high concurrency.

Also addressed Gemini and Copilot concerns about correct namespace in
the app manifest XML file - make it the same as in Microsoft examples.
787c5cf6c094...
787c5cf6c094a9e09654c2ca7057b28bee9d7203
Abdelrahman Hedia
MDEV-24931: Fix Bitmap<64>::is_prefix assertion with >64-column NATURAL JOIN on derived table

When a NATURAL JOIN operates on a derived table (or view with
derived_merge=off) having more than 64 columns, the optimizer's
generate_derived_keys_for_table() would:

1) Overflow a 32-bit shift: (key_part_map)(1 << parts) when parts >= 32
2) Create a derived key with more parts than Bitmap<64>/key_part_map can hold
3) Crash on DBUG_ASSERT(prefix_size <= width) in Bitmap<64>::is_prefix(65)

Fix: cap the number of hash-join KEYUSE entries for a materialized derived
table at the handler's max_key_parts(). Excess columns are excluded from the
key, so generate_derived_keys_for_table() never builds a key with more parts
than key_part_map (64 bits) or Bitmap<64> can represent. Also fix the shift
to cast before shifting: (key_part_map) 1 << parts.
761c2333ca39...
761c2333ca39378a6d9666dc2c967b5254f8e623
Marko Mäkelä
Merge 11.4 into 11.8
6ffa772a3615...
6ffa772a3615bbdd01beaee569de8b78ff9501b0
bsrikanth-mariadb
MDEV-39942: use actual_rec_per_key in loose scan sj optimization

The filtered out value in the explain plan output should be determined
based on the actual records per key value in the index. Instead,
rec_per_key[] is used.
526cf61d009e...
526cf61d009e42bc3ac7de259fa3ed1d34b3405d
Daniel Black
MDEV-39829/MDEV-33532 s3.debug test failure

MDEV-39516 corrected the interface with curl particularly around
passing options.

After this the s3.debug actually enabled curl debugging like is
was meant to. With this enabled, there are addition s3_test_ pattens
in the result file, from the error log where curl correctly provide
debug message.

ps-protocol test also failed under MDEV-33532 where a differnet
number of entries was recored.

Correct variations by using the $database/$table rather than just the
s3_test_ pattern.

As the purpose of this test is to check if s3_debug is dynamic, the
second part of the test searches for a previously, under s3_debug=1,
table t2 interaction, where the results should be NOT_FOUND.

Remove count from the result file to allow for different curl versions
and the possibiliy of being run under ps-protocol.
50393b359555...
50393b359555d4e66bc4ad4321e8ceb5327c83e3
Aleksey Midenkov
MDEV-25529 cleanup for vers_set_starts() and starts_clause
4aaebfc28537...
4aaebfc2853739bd00510682344f932f3316c826
Oleksandr Byelkin
MDEV-40159: Complete priv escalation for low priv user upon backup restore: DATA/INDEX DIRECTORY, symlinks

Correct append function called for value in quotes
3dee39ab4389...
3dee39ab4389b3875d36670db3fa13573be70852
forkfun
MDEV-35630 Wrong ER_FK_COLUMN_CANNOT_CHANGE with a STORED column before the FK column

prepare_inplace_alter_table() maps a field position to an InnoDB
cols[] position by skipping columns absent from that array. It used
Field::vcol_info, which is also set for STORED generated columns, so
such a column shifted the mapping by one and the FK-membership check
examined the wrong column, raising a false ER_FK_COLUMN_CANNOT_CHANGE.

Skip only truly virtual columns: use !stored_in_db() instead of
vcol_info.
3de055a0a195...
3de055a0a19576fe8ae2e293237d5bbe1c71106f
Aleksey Midenkov
MDEV-25529 ALTER TABLE FORCE syntax improved

Improves ALTER TABLE syntax when alter_list can be supplied alongside a
partitioning expression, so that they can appear in any order. This is
particularly useful for the FORCE clause when adding it to an existing
command.

Also improves handling of AUTO with FORCE, so that AUTO FORCE
specified together provides more consistent syntax, which is used by
this task in further commits.
3ce999df6ba5...
3ce999df6ba52866b2802af99c29291c417da100
Marko Mäkelä
Merge 10.11 into 11.4
38beaa6684f6...
38beaa6684f68473df9d06c280b181ee3d22e40d
Dave Gosselin
MDEV-36059: 2nd PS exec crash w/nested VIEWs

A prepared statement runs preparation again on every execution, and
preparation merges any VIEWs named in the statement.  A VIEW that
appears only inside a subquery is meant to be skipped by the merge for
insert pass during mysql_handle_derived, since it is not the target of
the DELETE.

The first execution prepares with the subquery still nested, so the
view is correctly skipped, and the DELETE succeeds.  Optimization then
converts the IN subquery into a semi-join and adds its tables into the
first SELECT_LEX's table list (reassigning them to that SELECT_LEX).
This conversion is meant to persist for later executions.

Then the PS's second execution prepares against the already flattened
VIEW.  mysql_handle_derived now finds the subquery's VIEW among the
first SELECT_LEX's tables and tries to merge it.  mysql_handle_derived
already had some existing skip logic to recognize a VIEW, but the
semijoin conversion has already merged the VIEW into the first
SELECT_LEX, so the skip doesn't correctly apply.  So a nested VIEW is
merged for insert with no table, causing a crash on the NULL table
pointer.

Solution is to skip a table during mysql_handle_derived when it is the
inner side of a semijoin, recognized by its embedding semijoin nest.
327abeac5ddb...
327abeac5ddbaa0946f0ca75174a23bb87a492ce
Thirunarayanan Balathandayuthapani
MDEV-39706  Assertion `!thd || !coordinator_thd' failed

Problem:
========
  - This assert was introduced in commit
0152c617e80ccf3f33d3ea4b50c17d5f588613b1 (MDEV-39261), which sets
coordinator_thd in clone_oldest_view() and resets it to nullptr in
batch_cleanup() at the end of the batch.
When innodb_trx_purge_view_update_only_debug is enabled, InnoDB fail
to reset coordinator_thd. As a result, InnoDB fails with assert in
next batch

Solution:
========
trx_purge(): Reset coordinator_thd to nullptr when
innodb_trx_purge_view_update_only_debug is enabled.
3029cb37b9ba...
3029cb37b9ba8e8c9276ad9f808a4efd6fa6a9f5
Aleksey Midenkov
MDEV-25529 Auto-create: Pre-existing historical data is not partitioned as specified by ALTER

Adds logic into prep_alter_part_table() for AUTO to check the history
range (vers_get_history_range()) and based on (max_ts - min_ts)
difference compute the number of created partitions and set STARTS
value to round down min_ts value (vers_set_starts()) if it was not
specified by user or if the user specified it incorrectly. In the
latter case it will print warning about wrongly specified user value.

In case of fast ALTER TABLE, f.ex. when partitioning already exists,
the above logic is ignored unless FORCE clause is specified. When user
specifies partition list explicitly the above logic is ignored even
with FORCE clause.

vers_get_history_range() detects if the index can be used for row_end
min/max stats and if so it gets it with ha_index_first() and
HA_READ_BEFORE_KEY (as it must ignore current data). Otherwise it does
table scan to read the stats. There is test_mdev-25529 debug keyword
to check the both and compare results. A warning is printed if the
algorithm uses slow scan.

Field_vers_trx_id::get_timestamp() is implemented for TRX_ID based
versioning to get epoch value. It works in vers_get_history_range()
but since partitioning is not enabled for TRX_ID versioning create
temporary table fails with error, requiring timestamp-based system
fields. This method will be useful when partitioning will be enabled
for TRX_ID which is mostly performance problems to solve.

Static key_cmp was renamed to key_eq to resolve compilation after
key.h was included as key_cmp was already declared there.
2f46361ed6dc...
2f46361ed6dc1ed68b4aca3a909c3ca079fb3274
Daniel Black
MDEV-37615: Clang based static analysis false postive reports on UNINIT_VAR

Clang upstream bug https://github.com/llvm/llvm-project/issues/173210
shows that a "int x=x" construct will in the intermediate representation
have code to read from x. With this generated sanitizer=undefined and
static analyzers will all see the uninitialized read and write.

Because clang has a stronger implementation of following paths to
uninitialized variables, "#define UNINIT_VAR(x) x" is the which
is what our release binaries use is the ideal path for this compiler.

Clang based compilers with error during compilation if any
uninitialized behaviour is detected at compile time because of
0c80ddb519bd06efbd7ccf2a2487b2503cd16db5.

Corrects MDEV-36542 - 6fd57f478f585249bdca242b1576ac0a7bd7aacf.
2c40efe5c042...
2c40efe5c042b5a4e72f54331a6b5b3711f52bb3
Daniel Black
spelling correction: support-files/wsrep.cnf.sh

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>
29417cfe3770...
29417cfe37709092c7af7dde1ae474c480669a51
Rucha Deodhar
MDEV-32726: Fix failing test for freebsd for json

(10.6 backport)

Json test about max statement time fails with freebsd because on some
architectures the test might execute faster and the statement may not fail.

To simulate failure regardless of architecture, introduce a wait of seconds
longer than the max_statement_time.
24ee5fd6bf60...
24ee5fd6bf6065ea693287e5705f3e26bb85f9fc
Daniel Black
MDEV-28404 JSON functions don't respect KILL QUERY

Or max_statement_time limit or MAX_DEPTH.

Correct interuptability and depth checking of:
* JSON_CONTAINS
* JSON_CONTAINS_PATH
* JSON_EXISTS
* JSON_EXTRACT
* JSON_KEYS
* ST_GeomFromGeoJSON

Populate in the json library the killed as a specific
error message. As the json library has a killed_ptr
is approprate it handles it.

As json_report_error now processes the killed there's
no need of thd->check_killed().

Verified that the path after every json_scan_next, the
location of checking the killed_ptr, reports errors
correctly.
0ff2fda7b3bc...
0ff2fda7b3bc26ffdbf5de1d4c9268625486f755
Daniel Black
MDEV-30518: JSON functions cannot be killed on big-endian (backport)

Backport to 10.6 without JSON_OVERLAPS

The json_engine killed_ptr was of type uchar however the enum
in the server is dependant on the architecture. On big-endian
architectures like IBM Z, retreiving a uchar* retreived the
unmodifed part of the THD->kill enum location and was always 0.

As C++11 allows enums to inherit a type, used uint32_t as the base
class of killed_state type in the server and used uint32_t in the
json library.

reload_acl_and_cache required an expression change to avoid
the compile error:
sql/sql_reload.cc:472:24: error: enumerated and non-enumerated
type in conditional expression [-Werror=enum-conversion]
  472 |  return result || (thd ? thd->killed : 0);

Added the kill_ptr assignment the following functions can be
killed:
* Item_func_json_depth::val_int
* Item_func_json_type::val_str
* Item_func_json_length::val_int

Item_func_json_array_append::val_str, check_killed() only applied
to json_error: label and not return_null.

Item_func_json_format::val_str(), corresponding to the SQL,
json_compact, json_detailed, json_loose - add debug instrumentation
for the func_json_notembedded test.

MDEV-26726 (fcd345de485f) added a json_pause_execution sync point
however the test case used debug_max_statement_time, which doesn't
exist. Fix the sync point name in the test.
0a311fea6e01...
0a311fea6e01945dd5f88c7d9ebe7352b7d25f31
Ian Gilfillan
MDBF-1180: Fix errors in CONTRIBUTING.md
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