| Commit message (Collapse) | Author | Age | Files | Lines |
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cache
Starting from 10.4 AUTH is not part of ACL_USER so changes have to be done
over a copy, and bring in the cache only in case of success.
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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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Uninitialized ref_pointer_array[] because setup_fields() got empty
fields list. mysql_multi_update() for some reason does that by
substituting the fields list with empty total_list for the
mysql_select() call (looks like wrong merge since total_list is not
used anywhere else and is always empty). The fix would be to return
back the original fields list. But this fails update_use_source.test
case:
--error ER_BAD_FIELD_ERROR
update v1 set t1c1=2 order by 1;
Actually not failing the above seems to be ok.
The other fix would be to keep resolve_in_select_list false (and that
keeps outer context from being resolved in
Item_ref::fix_fields()). This fix is more consistent with how SELECT
behaves:
--error ER_SUBQUERY_NO_1_ROW
select a from t1 where a= (select 2 from t1 having (a = 3));
So this patch implements this fix.
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There are two fill_record() functions (lines 8343 and 8618). First one
is used when there are some explicit values, the second one is used
for all implicit values. First one does update_default_fields(), the
second one did not. Added update_default_fields() call to the implicit
version of fill_record().
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Second alter subcommand correctly removed VERS_ROW_END flag. We throw
ER_VERS_PERIOD_COLUMNS in such case.
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- Cleaned up Vers_parse_info::check_sys_fields();
- Renamed VERS_SYS_START_FLAG, VERS_SYS_END_FLAG to VERS_ROW_START,
VERS_ROW_END.
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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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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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Update wsrep-lib, and add MTR test case for MDEV-26707
Reviewed-by: Jan Lindström <jan.lindstrom@mariadb.com>
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* Handle the (rare) case where the ongoing transaction is aborted, if
the ongoing transaction is considered orphaned. This happens if the
node delivers two consecutive primary views with the
* Add ignorable warning to suite.pm
Reviewed-by: Jan Lindström <jan.lindstrom@mariadb.com>
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found when trying to get lock
Add wait condition.
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Actual problem was earlier fixed. This contains only test
case change. We use debug_sync to force concurrent
DML and TRUNCATE.
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We should do after_statement only for local transactions.
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thd.is_current_stmt_binlog_format_row()' failed in Delayed_insert::handle_inserts and in Diagnostics_area::set_eof_status
Function `upgrade_lock_type` should check global binlog_format variable
instead of thread one.
Reviewed-by: Jan Lindström <jan.lindstrom@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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thd.is_current_stmt_binlog_format_row()' failed in Delayed_insert::handle_inserts and in Diagnostics_area::set_eof_status
Variable wsrep_forced_binlog_format has higher priority than
binlog_format. In situation where STATEMENT is used and DELAYED INSERT
is executing we should fall back to non-delay INSERT.
Reviewed-by: Jan Lindström <jan.lindstrom@mariadb.com>
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Using `innodb_thread_concurrency` will call `wsrep_thd_is_aborting` to
check WSREP thread state. This call should be protected by taking
`LOCK_thd_data` before entering function.
Applier and TOI threads should no be affected with usage of
`innodb_thread_concurrency` variable so returning before any checks.
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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DONOR state
Add wait_condition to wait until all nodes are in cluster
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