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be consistent and don't include the table name into the error message,
no other CREATE TABLE error does it.
(the crash happened, because thd->lex->query_tables was NULL)
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Due to the collation used on the roles_mapping_hash, key comparison
would work in a case-insensitive manner. This is incorrect from the
roles mapping perspective. Make use of a case-sensitive collation for that hash,
the same one used for the acl_roles hash.
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The function Item_func_isnull::update_used_tables() must
handle the case when the predicate is over not nullable
column in a special way.
This is actually a bug of MariaDB 5.3/5.5, but it's probably
hard to demonstrate that it can cause problems there.
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Test intentionally crashes the server, thus corrupted pages possible.
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followed by a multi-byte character
Partially backporting MDEV-9874 from 10.2 to 10.0
READ_INFO::read_field() raised the ER_INVALID_CHARACTER_STRING error
when reading an escape character followed by a multi-byte character.
Raising wellformedness errors in READ_INFO::read_field() was wrong,
because the main goal of READ_INFO::read_field() is to *unescape* the
data which was presumably escaped using mysql_real_escape_string(),
using the same character set with the one specified in
"LOAD DATA INFILE ... CHARACTER SET ..." (or assumed by default).
During LOAD DATA, multi-byte characters are not always scanned as a single
entity! In case of escaped data, parts of a multi-byte character can be
scanned on different loop iterations. So the old code erroneously tested
welformedness in the middle of a multi-byte character.
Moreover, the data after unescaping can go into a BLOB field, not a text field.
Wellformedness tests are meaningless in this case.
Ater this patch, wellformedness is only checked later, during
Field::store(str,length,cs) time. The loop that scans bytes only
makes sure to revert the changes made by mysql_real_escape_string().
Note, in some cases users can supply data which did not really go through
mysql_real_escape_string() and was escaped by some other means,
or was not escaped at all. The file reported in this MDEV contains
the string "\ä", which is an example of such improperly escaped data, as
- either there should be two backslashes: "\\ä"
- or there should be no backslashes at all: "ä"
mysql_real_escape_string() could not generate "\ä".
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followed by a multi-byte character
The crash happened when if my_error() was called for any reasons during loading
(e.g. a bad multi-byte sequence or a bad GEOMETRY value was found).
The server sent both error and progress packets, so the client disconnected.
The server then crashed on a assert about a wrong packet order in Debug build.
The server also tried to read from a closed socket when calling
READ_INFO::skip_data_till_eof().
As the crash happened only with "mysql" running in interactive mode,
no tests are possible. The problem was not reproducible with
"mysqltest" or "mysql" in batch mode.
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line 11652
This is not a fix, this is instrumentation to find out is MySQL frm dictionary
and InnoDB data dictionary really out-of-sync when this assertion is fired,
or is there some other reason (bug).
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Fixing the "connect" command to use "localhost" instead of "127.0.0.1"
to make it work with both "mtr" and "mtr --embedded".
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The SQL thread keeps track of the position in the current relay log from
which to read the next event. This position is not normally used, but a
certain interaction with the IO thread can cause the SQL thread to re-open
the relay log and seek to the stored position.
In parallel replication, there were a couple of places where the position
was not updated. This created a race where a re-open of the relay log could
seek to the wrong position and start re-reading and processing events
already handled once, causing various kinds of problems.
Fix this by moving the position update into a single place in
apply_event_and_update_pos(), which should ensure that the position is
always updated in the parallel replication case.
This problem was found from the testcase of MDEV-10863, but it is logically
a separate problem.
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This has no functional changes, but it helps avoid merge problems from 10.0
to 10.1. In 10.0, code that checks for parallel replication uses
opt_slave_parallel_threads > 0, but this check needs to be
mi->using_parallel() in 10.1. By using the same check in 10.0 (with
unchanged semantics), merge problems to 10.1 are avoided.
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MDEV-10780 Server crashes in in create_tmp_table
MDEV-11265 Access defied when CREATE VIIEW v1 AS SELECT DEFAULT(column) FROM t1
Item_default_value and Item_insert_value erroneously derive from Item_field
but forgot to override some methods that apply only to true fields,
so the server code mixes Item_{default|insert}_value instances with real
table fields (i.e. true Item_field) in some cases.
Overriding a few methods to avoid this.
TODO: we should eventually derive Item_default_value (and Item_insert_value)
directly from Item, as they don't really need the entire Item_field,
Item_ident and Item_result_field functionality.
Only the member "Field *field" related functionality is actually needed,
like val_xxx(), is_null(), get_geometry_type(), charset_for_protocol(), etc.
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as currently MariaDB does not support compressed columns.
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buildbot and outside
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The hardening-wrapper package has been removed from Debian Sid. Remove
dependency and relevant settings.
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Functions from sql/statistics.cc don't seem to expect
stat tables to fail or to have inadequate structure.
Table open errors suppressed and some validity
checks added. Invalid tables reported to the server
log.
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The race condition happened if mark_xid_done was considerably delayed,
and an extra Binlog_checkpoint event was written into the binary log
which was later indicated in an error message. Fixed by ensuring
that the event is written before the binary log is rotated to the one
which is used in the output.
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sporadically in buildbot
The reason is a simple race condition. Initially the test was meant to synchronize with master
before showing tables, but it turned out that the slave IO thread should fail by this point,
and synchronization was removed along with a server bugfix. Now added an intermediate sync
instead, to make sure that slave has replicated events before the point of failure
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Update mysqld_multi man page
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fixes MDEV-11354 twin include
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when crashing on a signal, don't exit(), but re-signal it, so that
the caller could check WIFSIGNALED()
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mysqld_safe: don't close stdout and stderr if --dry-run
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some encrypted binlogs
support encrypted binlogs. Not decryption, but at least recognizing
that event are encrypted and prining them as such
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encrypted log without decryption capabilities
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- created binlog_encryption test suite and added it to the default list
- moved some tests from rpl, binlog and multisource suites to extra
so that they could be re-used in different suites
- made minor changes in include files
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crashes server
This bug is the result of merging the Oracle MySQL follow-up fix
BUG#22963169 MYSQL CRASHES ON CREATE FULLTEXT INDEX
without merging the base bug fix:
Bug#79475 Insert a token of 84 4-bytes chars into fts index causes
server crash.
Unlike the above mentioned fixes in MySQL, our fix will not change
the storage format of fulltext indexes in InnoDB or XtraDB
when a character encoding with mbmaxlen=2 or mbmaxlen=3
and the length of a word is between 128 and 84*mbmaxlen bytes.
The Oracle fix would allocate 2 length bytes for these cases.
Compatibility with other MySQL and MariaDB releases is ensured by
persisting the used maximum length in the SYS_COLUMNS table in the
InnoDB data dictionary.
This fix also removes some unnecessary strcmp() calls when checking
for the legacy default collation my_charset_latin1
(my_charset_latin1.name=="latin1_swedish_ci").
fts_create_one_index_table(): Store the actual length in bytes.
This metadata will be written to the SYS_COLUMNS table.
fts_zip_initialize(): Initialize only the first byte of the buffer.
Actually the code should not even care about this first byte, because
the length is set as 0.
FTX_MAX_WORD_LEN: Define as HA_FT_MAXCHARLEN * 4 aka 336 bytes,
not as 254 bytes.
row_merge_create_fts_sort_index(): Set the actual maximum length of the
column in bytes, similar to fts_create_one_index_table().
row_merge_fts_doc_tokenize(): Remove the redundant parameter word_dtype.
Use the actual maximum length of the column. Calculate the extra_size
in the same way as row_merge_buf_encode() does.
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trx_state_eq(): Add the parameter bool relaxed=false, to
allow trx->state==TRX_STATE_NOT_STARTED where a different
state is expected, if an error has been reported.
trx_release_savepoint_for_mysql(): Pass relaxed=true to
trx_state_eq(). That is, allow the transaction to be idle
when ROLLBACK TO SAVEPOINT is attempted after an error
has been reported to the client.
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Instead of interpreting --innodb-buffer-pool-populate as
--innodb-numa-interleave, display warning when the option is set,
saying that the option will be removed in MariaDB 10.2.3.
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- Used same fix as for MyISAM: High level collation byte stored in unused
bit_end position.
- Moved language from header to base_info
- Removed unused bit_end part in HA_KEY_SEG
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Increase max number of possible table_open_cache instances from 512K
to 1024K. This only affects user who are trying to set the variable over
the old limit.
Delete not used test table_open_cache_instances_basic
(Need to be added back and rewritten in 10.2)
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wsrep_thd_is_BF(lock->trx->mysql_thd, FALSE) || wsrep_thd_is_BF(other_lock->trx->mysql_thd, FALSE)
Merged pull request:
Fix error in lock_has_higher_priority #266
https://github.com/MariaDB/server/pull/266
Added test case.
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in buildbot
Test moved to big_test and not run with valgrind because of timeout.
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on valgrind
Test moved to big_test and not run on valgrind. Test heavy especially on debug builds.
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into 10.1
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