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$opt_vs_config to $multiconfig to use with other cmake multiconfig generators
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Based on mysql/mysql-server@bc9c46bf2894673d0df17cd0ee872d0d99663121
but without sleeps.
The test was verified to hit the debug assertion if the change to
fts_add_doc_by_id() in commit 2d98b967e31623d9027c0db55330dde2c9d1d99a
was reverted.
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fts_cache_t::total_size_at_sync: New field, to sample total_size.
fts_add_doc_by_id(): Invoke sync if total_size has grown too much
since the previous sync request. (Maintain cache->total_size_at_sync.)
ib_wqueue_t::length: Caches ib_list_len(*items).
ib_wqueue_len(): Removed. We will refer to fts_optimize_wq->length
directly.
Based on mysql/mysql-server@bc9c46bf2894673d0df17cd0ee872d0d99663121
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trx_commit_in_memory(): Do not release the rseg reference before
trx_undo_commit_cleanup() has been invoked and the current transaction
is truly done with the rollback segment. The purpose of the reference
count is to prevent data races with trx_purge_truncate_history().
This is based on
mysql/mysql-server@ac79aa1522f33e6eb912133a81fa2614db764c9c.
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InnoDB commit fails when consecutive FTS_DOC_ID value
is greater than 4294967295.
Fix is that InnoDB should remove the delta FTS_DOC_ID
value limitations and fts should encode 8 byte value,
remove FTS_DOC_ID_MAX_STEP variable. Replaced the
fts0vlc.ic file with fts0vlc.h
fts_encode_int(): Should be able to encode 10 bytes value
fts_get_encoded_len(): Should get the length of the value
which has 10 bytes
fts_decode_vlc(): Add debug assertion to verify the maximum
length allowed is 10.
mach_read_uint64_little_endian(): Reads 64 bit stored in
little endian format
Added a unit test case which check for minimum and maximum
value to do the fts encoding
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In commit 1811fd51fbae9e6c1f06ce93faef2bf1279cd3b6 the assertion
should have said error_reported instead of !error_reported.
But, that revised assertion would still fail in main.defaults
where ER_BAD_DATA is reported during CREATE TABLE.
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create_table_info_t::innobase_table_flags(): Refuse to create
a PAGE_COMPRESSED table with PAGE_COMPRESSION_LEVEL=0 if also
innodb_compression_level=0.
The parameter value innodb_compression_level=0 was only somewhat
meaningful for testing or debugging ROW_FORMAT=COMPRESSED tables.
For the page_compressed format, it never made any sense, and the
check in dict_tf_is_valid_not_redundant() that was added in
72378a25830184f91005be7e80cfb28381c79f23 (MDEV-12873) would cause
the server to crash.
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The assertion is absolutely correct since no data access is possible after
XA PREPARE.
The check is added in mysql_ha_read.
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This is a duplicate of MDEV-18278 89936f11e965, but I will add an
additional assertion
Description:
The frm corruption should not be reported during CREATE TABLE. Normally
it doesn't, and the data to fill TABLE is taken by open_table_from_share
call. However, the vcol data is stored as SQL string in
table->s->vcol_defs.str and is anyway parsed on each table open.
It is impossible [or hard] to avoid, because it's hard to clone the
expression tree in general (it's easier to parse).
Normally parse_vcol_defs should only fail on semantic errors. If so,
error_reported is set to true. Any other failure is not expected during
table creation. There is either unhandled/unacknowledged error, or
something went really wrong, like memory reject. This all should be
asserted anyway.
Solution:
* Set *error_reported=true for the forward references check;
* Assert for every unacknowledged error during table creation.
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We should set the charset in
Item_func_json_format::fix_length_and_dec().
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Let us use a minimal-size buffer pool to ensure that page flushing
will be slow enough so that LRU eviction cannot be avoided.
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for their definitions
Do not print illegal table field names for non-top-level SELECT list,
they will not be refered in any case but create problem for parsing
of printed result.
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WRITE_CACHE' failed
Problem:
========
This patch addresses two issues.
First, if a CHANGE MASTER command is issued and an error happens
while locating the replica’s relay logs, the logs can be put into an
invalid state where future updates fail and future CHANGE MASTER
calls crash the server. More specifically, right before a replica
purges the relay logs (part of the `CHANGE MASTER TO` logic), the
relay log is temporarily closed with state LOG_TO_BE_OPENED. If the
server errors in-between the temporary log closure and purge, i.e.
during the function find_log_pos, the log should be closed.
MDEV-25284 reveals the log is not properly closed.
Second, upon issuing a RESET SLAVE ALL command, a slave’s GTID
filters are not cleared (DO_DOMAIN_IDS, IGNORE_DOMIAN_IDS,
IGNORE_SERVER_IDS). MySQL had a similar bug report, Bug #18816897,
which fixed this issue to clear IGNORE_SERVER_IDS after issuing
RESET SLAVE ALL in version 5.7.
Solution:
=========
To fix the first problem, the CHANGE MASTER error handling logic was
extended to transition the relay log state to LOG_CLOSED from
LOG_TO_BE_OPENED.
To fix the second problem, the RESET SLAVE ALL logic is extended to
clear the domain_id filter and ignore_server_ids.
Reviewed By:
============
Andrei Elkin <andrei.elkin@mariadb.com>
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Schema and table names in a veiw FRM files are:
- in upper case on Linux
- in lower case on Windows
Using the LOWER() function when displaying an FRM file fragment,
to avoid the OS-specific difference.
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This happens upon CREATE USER and DROP ROLE.
The underlying problem is that our HASH implementation shuffles elements
around when performing an update or delete. This means that when doing a
scan through the HASH table by index, in search of elements to delete or
update one must restart the scan to make sure nothing is missed if at least
one delete / update happened.
More specifically, what happened in this case:
The hash has 131 element, DROP ROLE removes the element
[119]. Its [119]->next was element [129], so [129] is moved to [119].
Now we need to compact the hash, removing the last element [130]. It
gets one bit off its hash value and becomes element [2]. The existing
element [2] is moved to [129], and old [130] is moved to [2].
We cannot simply move [130] to [129] and make [2]->next=130, it won't
work if [2] is itself in the collision list and doesn't belong in [2].
The handle_grant_struct code assumed that it is safe to continue by only
reexamining the currently modified / deleted element index, but that is
not true.
Missing to delete an element in the hash triggered the assertion in
the test case. DROP ROLE would not clear all necessary role->role or
role->user mappings.
To fix the problem we ensure that the scan is restarted, only if an
element was deleted / updated, similar to how bubble-sort keeps sorting
until it finds no more elements to swap.
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`!alias_arg || strlen(alias_arg->str) == alias_arg->length' failed with certain connection charset
There were two independent problems which lead to the crash
and to the non-relevant records returned in I_S queries:
- The code in the I_S implementation was not secure
about values with 0x00 bytes.
It's fixed by using check_db_name() and check_table_name()
inside make_table_name_list(), and by adding the test for
0x00 inside check_table_name().
- The code in Item_string::print() did not convert
strings without introducers when restoring
the CREATE VIEW statement from an Item tree.
This made wrong literals inside the "query" line in the view FRM file
in cases when the VIEW parse time
character_set_client!=character_set_connection.
That's fixed by adding a proper conversion.
This change also fixed a similar problem in SHOW PROCEDURE CODE -
the literals were displayed in wrong character set in SP instructions
in cases when the SP parse time
character_set_client!=character_set_connection.
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but must do that at the end of the statement.
A provide template patch is elaborated also to match
to the upstream fixes of the very same bug.
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Add wait_conditions to stabilize
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In commit 1cb218c37cc3fe01a1ff2fe9b1cbfb591e90d5ce (MDEV-26450)
we introduced the function log_write_and_flush(), which may
compete with log_checkpoint() invoking log_write_flush_to_disk_low()
from another thread.
The assertion n_pending_flushes==1 is too strict.
There is no possibility of a race condition here, because
fil_flush() is protected by fil_system->mutex and the
rest will be protected by log_sys->mutex.
log_write_flush_to_disk_low(), log_write_and_flush():
Relax the assertions to test for a nonzero count.
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Also fixes MDEV-24467 Memory not freed after failed INSERT DELAYED
Description:
In case of an error (e.g. data truncation) during mysql_insert()
handling an INSERT DELAYED, the data type specific data in
fields (e.g. Field_blob::value) is not taken over by the delayed
writer thread.
All fields in table_list->table are freed by free_root()
immediately after mysql_insert(). To avoid a memory leak,
we need to free the specific data before exiting mysql_insert()
on error.
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ft_boolean_syntax
The crash happened because my_isalnum() does not support character
sets with mbminlen>1.
The value of "ft_boolean_syntax" is converted to utf8 in do_string_check().
So calling my_isalnum() is combination with "default_charset_info" was wrong.
Adding new parameters (size_t length, CHARSET_INFO *cs) to
ft_boolean_check_syntax_string() and passing self->charset(thd)
as the character set.
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The crash happened because Item_aes_crypt::val_str() did not
set the character set of the result.
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Co-authored-by: FX Coudert <fxcoudert@gmail.com>
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If error_reported is not set upper caller open_table_from_share()
throws error ER_NOT_FORM_FILE itself via open_table_error().
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On deadlock transaction is rolled back (and trx->state is cleared) but
SELECT continued the loop because evaluate_join_record() ignored the
error status returned from lower join evaluation. val_int() does not
return error status so it is checked by thd->is_error().
Test case was created by Thirunarayanan Balathandayuthapani
<thiru@mariadb.com>
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In commit 3690c549c6e72646ba74f6b4c83813ee4ac3aea4
this test was not adjusted.
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This is a documentation-only patch to refine the description of
binary mode for the mariadb client.
Reviewed By:
============
Andrei Elkin <andrei.elkin@mariadb.com>
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Note: This patch backports commits 10cd281 and 1755ea4 from 10.3.
10cd281:
Problem:- Some binary data is inserted into the table using
Jconnector. When binlog dump of the data is applied using mysql
client 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 common (0x5c00)
Solution:-
I have changed mysql.cc to include for the possibility that binary
string can have \\0 in it
1755ea4:
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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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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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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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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