| Commit message (Collapse) | Author | Age | Files | Lines |
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A REPLACE in the MERGE engine is actually a REPLACE
into one (FIRST or LAST) of the underlying MyISAM
tables. So in effect the server works on the meta
data of the MERGE table, while the real insert happens
in the MyISAM table.
The MERGE table has no index, while MyISAM has a
unique index. When a REPLACE into a MERGE table (
and the REPLACE conflicts with a duplicate in a
child table) is done, we try to access the duplicate
key information for the MERGE table. This information
actually does not exist, hence this results in a crash.
The problem can be resolved by modifying the MERGE
engine to provide us the duplicate key information
directly, instead of just returning the MyISAM index
number as the error key. Then the SQL layer (or "the
server") does not try to access the key_info of the
MERGE table, which does not exist.
The current patch modifies the MERGE engine to provide
the position for a record where a unique key violation
occurs.
include/myisammrg.h:
Bug#45800 crash when replacing into a merge table and there is a duplicate
Add a member to the st_mymerge_info structure that will
store the duplicate key offset in the MERGE table. This
offset will be the sum of the record offset of the MyISAM
table within the MERGE table and the offset of the record
within the MyISAM table.
mysql-test/r/merge.result:
Bug#45800 crash when replacing into a merge table and there is a duplicate
Result file for the test case.
mysql-test/t/merge.test:
Bug#45800 crash when replacing into a merge table and there is a duplicate
Added test case for both REPLACE and INSERT...ON DUPLICATE UPDATE.
storage/myisammrg/ha_myisammrg.cc:
Bug#45800 crash when replacing into a merge table and there is a duplicate
The info method now will process the HA_STATUS_ERRKEY flag
and will return the index and the offset of the duplicate
key.
storage/myisammrg/ha_myisammrg.h:
Bug#45800 crash when replacing into a merge table and there is a duplicate
Set the HA_DUPLICATE_POS flag to indicate that the duplicate
key information is now available in the MERGE storage engine.
storage/myisammrg/myrg_info.c:
Bug#45800 crash when replacing into a merge table and there is a duplicate
We modify the myrg_status function to return the position of the
duplicate key. The duplicate key position in the MERGE table will
be the MyISAM file_offset and the offset within the MyISAM table
of the start position of the records.
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failed et.al.
Fixed wrong prototype declaration which cased build failure on solaris.
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defining it with the first partition and using list partition caused crash, fixed by more error checks in parser
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accepted, does nothing":
those keywords do nothing in 5.1 (they are meant for future versions, for example featuring the Maria engine)
so they are here removed from the syntax. Adding those keywords to future versions when needed is:
- WL#5034 "Add TRANSACTIONA=0|1 and PAGE_CHECKSUM=0|1 clauses to CREATE TABLE"
- WL#5037 "New ROW_FORMAT value for CREATE TABLE: PAGE"
mysql-test/r/create.result:
test that syntax is not accepted
mysql-test/t/create.test:
test that syntax is not accepted
sql/handler.cc:
remove ROW_FORMAT=PAGE
sql/handler.h:
Mark unused objects, but I don't remove them by fear of breaking any plugin which includes this file
(see also table.h)
sql/lex.h:
removing syntax
sql/sql_show.cc:
removing output of noise keywords in SHOW CREATE TABLE and INFORMATION_SCHEMA.TABLES
sql/sql_table.cc:
removing TRANSACTIONAL
sql/sql_yacc.yy:
removing syntax
sql/table.cc:
removing TRANSACTIONAL, PAGE_CHECKSUM. Their place in the frm file is not reclaimed,
for compatibility with older 5.1.
sql/table.h:
Mark unused objects, but I don't remove them by fear of breaking any plugin which includes this file
(and there are several engines which use the content TABLE_SHARE and thus rely on a certain binary
layout of this structure).
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"statement"
If the log_bin_trust_function_creators option is not defined, creating a stored
function requires either one of the modifiers DETERMINISTIC, NO SQL, or READS
SQL DATA. Executing a stored function should also follows the same rules if in
STATEMENT mode. However, this was not happening and a wrong error was being
printed out: ER_BINLOG_ROW_RBR_TO_SBR.
The patch makes the creation and execution compatible and prints out the correct
error ER_BINLOG_UNSAFE_ROUTINE when a stored function without one of the modifiers
above is executed in STATEMENT mode.
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cause
an assertion in a debug build.
The reason is that the C API doesn't support multiple result sets for prepared
statements and attempting to execute a stored routine which returns multiple result
sets sometimes lead to a network error. The network error sets the diagnostic area
prematurely which later leads to the assert when an attempt is made to set a second
server state.
This patch fixes the issue by changing the scope of the error code returned by
sp_instr_stmt::execute() to include any error which happened during the execution.
To assure that Diagnostic_area::is_sent really mean that the message was sent all
network related functions are checked for return status.
libmysqld/lib_sql.cc:
* Changed prototype to return success/failure status on net_send_error_packet(),
net_send_ok(), net_send_eof(), write_eof_packet().
mysql-test/r/sp_notembedded.result:
* Added test case for bug 44521
mysql-test/t/sp_notembedded.test:
* Added test case for bug 44521
sql/protocol.cc:
* Changed prototype to return success/failure status on net_send_error_packet(),
net_send_ok(), net_send_eof(), write_eof_packet().
sql/protocol.h:
* Changed prototype to return success/failure status on net_send_error_packet(),
net_send_ok(), net_send_eof(), write_eof_packet().
sql/sp_head.cc:
* Changed prototype to return success/failure status on net_send_error_packet(),
net_send_ok(), net_send_eof(), write_eof_packet().
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consumption (CPU) for upgrading a large log table can be intense.
Therefore, truncate the general_log table beforehand if running
mysql_upgrade test with Valgrind.
mysql-test/t/mysql_upgrade.test:
Truncate log table if running with Valgrind.
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compression
Since uint3korr() may read 4 bytes depending on build flags and
platform, allocate 1 extra "safety" byte in the network buffer
for cases when uint3korr() in my_real_read() is called to read
last 3 bytes in the buffer.
It is practically hard to construct a reliable and reasonably
small test case for this bug as that would require constructing
input stream such that a certain sequence of bytes in a
compressed packet happens to be the last 3 bytes of the network
buffer.
sql/net_serv.cc:
Allocate 1 extra "safety" byte in the network buffer for cases
when uint3korr() is used to read last 3 bytes in the buffer.
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during bootstrap on a embedded server.
libmysqld/lib_sql.cc:
Handle a failure during bootstrap.
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Post-merge fix: test case could fail due to a conversion of the
max_join_size value to a integer. Fixed by preserving the value
as a string for comparison purposes.
tests/mysql_client_test.c:
Preserve max_join_size value as a string instead of converting
it to a integer -- value can be larger then the type used.
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One of the tests introduced for this bug was failing
because of path size restriction in windows.
Moved the test case to a new test which is disabled under windows.
mysql-test/r/partition_not_embedded.result:
updated test results after removing a test case.
mysql-test/r/partition_rename_longfilename.result:
Test result for partition_rename_longfilename
mysql-test/t/partition_not_embedded.test:
Removed the test case which tests renaming partition table such that
the file name is 255 char long.
mysql-test/t/partition_rename_longfilename.test:
Test case to test renaming partition table such that
the file name is 255 char long.
Moved from partition_no_embedded.
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to wrong result
When using MIXED mode and issuing 'CREATE TEMPORARY TABLE t_tmp',
the statement is logged if the current binlogging mode is
STATEMENT. This causes the slave to replay the instruction and
create the temporary table as well. If there is no switch to ROW
mode, and later on a 'DROP TEMPORARY TABLE t_tmp' is issued, then
this statement will also be logged and the slave will
remove/close the temporary table.
However, if there is a switch to ROW mode between the CREATE and
DROP TEMPORARY table, the DROP statement will not be logged,
leaving the slave with a dangling temporary table.
This patch addresses this, by always logging a DROP TEMPORARY
TABLE IF EXISTS when in mixed mode and a drop statement is issued
for temporary table(s).
mysql-test/suite/rpl/r/rpl_temp_table_mix_row.result:
Updated result file.
mysql-test/suite/rpl/t/rpl_temp_table_mix_row.test:
Added test case.
sql/sql_table.cc:
When dropping table(s) in mixed mode and current statement
logging is ROW, builds an extra DROP TEMPORARY TABLE IF
EXISTS for temporary tables that are being dropped. Later,
it logs the extra drop statement.
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mysqld
The problem was that enabling the event scheduler inside a init
file caused the server to crash upon start-up. The crash occurred
because the event scheduler wasn't being initialized before the
commands in the init-file are processed.
The solution is to initialize the event scheduler before the init
file is read. The patch also disables the event scheduler during
bootstrap and makes the bootstrap operation robust in the
presence of background threads.
mysql-test/std_data/init_file.dat:
Add test case for Bug#43587
sql/event_scheduler.cc:
Signal that the thread_count has been decremented.
sql/events.cc:
Disable the event scheduler during bootstrap.
sql/mysql_priv.h:
Export variable.
sql/mysqld.cc:
Initialize the event scheduler before commands are executed.
sql/sql_parse.cc:
Signal that the bootstrap thread is done.
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mysqld
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******
manual merge 5.0-bugteam --> 5.1-bugteam (bug 38816)
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procedures causes crashes!
The problem of that bugreport was mostly fixed by the
patch for bug 38691.
However, attached test case focused on another crash or
valgrind warning problem: SHOW PROCESSLIST query accesses
freed memory of SP instruction that run in a parallel
connection.
Changes of thd->query/thd->query_length in dangerous
places have been guarded with the per-thread
LOCK_thd_data mutex (the THD::LOCK_delete mutex has been
renamed to THD::LOCK_thd_data).
sql/ha_myisam.cc:
Bug #38816: kill + flush tables with read lock + stored
procedures causes crashes!
Modification of THD::query/query_length has been guarded
with the a THD::set_query() method call/LOCK_thd_data
mutex.
Unnecessary locking with the global LOCK_thread_count
mutex has been removed.
sql/log_event.cc:
Bug #38816: kill + flush tables with read lock + stored
procedures causes crashes!
Modification of THD::query/query_length has been guarded
with the THD::set_query()) method call/LOCK_thd_data
mutex.
sql/slave.cc:
Bug #38816: kill + flush tables with read lock + stored
procedures causes crashes!
Modification of THD::query/query_length has been guarded
with the THD::set_query() method call/LOCK_thd_data mutex.
The THD::LOCK_delete mutex has been renamed to
THD::LOCK_thd_data.
sql/sp_head.cc:
Bug #38816: kill + flush tables with read lock + stored
procedures causes crashes!
Modification of THD::query/query_length has been guarded
with the a THD::set_query() method call/LOCK_thd_data
mutex.
sql/sql_class.cc:
Bug #38816: kill + flush tables with read lock + stored
procedures causes crashes!
The new THD::LOCK_thd_data mutex and THD::set_query()
method has been added to guard modifications of THD::query/
THD::query_length fields, also the Statement::set_statement()
method has been overloaded in the THD class.
The THD::LOCK_delete mutex has been renamed to
THD::LOCK_thd_data.
sql/sql_class.h:
Bug #38816: kill + flush tables with read lock + stored
procedures causes crashes!
The new THD::LOCK_thd_data mutex and THD::set_query()
method has been added to guard modifications of THD::query/
THD::query_length fields, also the Statement::set_statement()
method has been overloaded in the THD class.
The THD::LOCK_delete mutex has been renamed to
THD::LOCK_thd_data.
sql/sql_insert.cc:
Bug #38816: kill + flush tables with read lock + stored
procedures causes crashes!
Modification of THD::query/query_length has been guarded
with the a THD::set_query() method call/LOCK_thd_data
mutex.
sql/sql_parse.cc:
Bug #38816: kill + flush tables with read lock + stored
procedures causes crashes!
Modification of THD::query/query_length has been guarded
with the a THD::set_query() method call/LOCK_thd_data mutex.
sql/sql_repl.cc:
Bug #38816: kill + flush tables with read lock + stored
procedures causes crashes!
The THD::LOCK_delete mutex has been renamed to
THD::LOCK_thd_data.
sql/sql_show.cc:
Bug #38816: kill + flush tables with read lock + stored
procedures causes crashes!
Inter-thread read of THD::query/query_length field has
been protected with a new per-thread LOCK_thd_data
mutex in the mysqld_list_processes function.
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In create_myisam_from_heap() mark all errors as fatal except
HA_ERR_RECORD_FILE_FULL for a HEAP table.
Not doing so could lead to problems, e.g. in a case when a
temporary MyISAM table gets overrun due to its MAX_ROWS limit
while executing INSERT/REPLACE IGNORE ... SELECT.
The SELECT execution was aborted, but the error was
converted to a warning due to IGNORE clause, so neither 'ok'
nor 'error' packet could be sent back to the client. This
condition led to hanging client when using 5.0 server, or
assertion failure in 5.1.
mysql-test/r/insert_select.result:
Added a test case for bug #46075.
mysql-test/t/insert_select.test:
Added a test case for bug #46075.
sql/sql_select.cc:
In create_myisam_from_heap() mark all errors as fatal except
HA_ERR_RECORD_FILE_FULL for a HEAP table.
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Problem was that a failing rename just left the partitions at the state
it was at the failure.
Solution was to try to revert the started rename if a failure occured.
mysql-test/r/partition_not_embedded.result:
Bug#30102: Rename table does corrupt tables with partition files on failure
New result file
mysql-test/t/partition_not_embedded.test:
Bug#30102: Rename table does corrupt tables with partition files on failure
New test file
(list_files does not report the files in embedded)
sql/ha_partition.cc:
Bug#30102: Rename table does corrupt tables with partition files on failure
Better error handling for rename partitions (reverting the started rename
operation)
Different order of files for delete.
sql/handler.cc:
Bug#30102: Rename table does corrupt tables with partition files on failure
Tries to remove as many table files as possible
if the first delete succeeds.
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This patch is a follow up to http://lists.mysql.com/commits/76678.
When an allocation failure occurs for the buffer in the dynamic
array, an error condition was being set. The dynamic array is
usable even if the memory allocation fails. Since in most cases
the thread can continue to work without any problems the error
condition should not be set here.
This patch adds logic to remove the error condition from being set
when the memory allocation for the buffer in dynamic array fails.
mysys/array.c:
Bug#43572 Handle failures from hash_init
Remove the MY_WME flag from the call to malloc in order to
prevent the error status from being set in the init_dynamic_array
method. Since this memory allocation failure is no longer
fatal this method has been modified to return FALSE
(indicate success) irrespective of array->buffer being
allocated.
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"WL#4584 New euckr characters" from 5.4.
(as agreed on ServerPT meeting on July 8).
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it returns misleading 'table is full'
Innodb returns a misleading error message "table is full"
when the number of active concurrent transactions is greater
than 1024.
Fixed by adding errorcode "ER_TOO_MANY_CONCURRENT_TRXS" to the
error codes. Innodb should return HA_TOO_MANY_CONCURRENT_TRXS
to mysql which is then mapped to ER_TOO_MANY_CONCURRENT_TRXS
Note: testcase is not written as this was reproducible only by
changing innodb code.
extra/perror.c:
Add error number and message for HA_ERR_TOO_MANY_CONCURRENT_TRXS
include/my_base.h:
Add error number and message for HA_ERR_TOO_MANY_CONCURRENT_TRXS
sql/ha_innodb.cc:
Return HA_ERR_TOO_MANY_CONCURRENT_TRXS to mysql server
sql/handler.cc:
Add error number and message for HA_ERR_TOO_MANY_CONCURRENT_TRXS
sql/share/errmsg.txt:
Add error message for ER_TOO_MANY_CONCURRENT_TRXS
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not logged
Errors encountered during initialization of the SSL subsystem
are printed to stderr, rather than to the error log.
This patch adds a parameter to several SSL init functions to
report the error (if any) out to the caller. The function
init_ssl() in mysqld.cc is moved after the initialization of
the log subsystem, so that any error messages can be logged to
the error log. Printing of messages to stderr has been
retained to get diagnostic output in a client context.
include/violite.h:
Adding an enumeration for the various errors that can
occur during initialization of the SSL module.
sql/mysqld.cc:
Adding more logging of SSL init errors, and moving
init_ssl() till after initialization of logging
subsystem.
vio/viosslfactories.c:
Define error strings, provide an access method for these
strings, and maintain an error parameter in several funcs
to return the error (if any) to the caller.
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seq in
binlog
The fix for BUG 43929 introduced a regression issue. In a nutshell, when a
statement that changes a non-transactional table fails, it is written to the
binary log with the error code appended. Unfortunately, after BUG 43929, this
failure was flushing the transactional chace causing mismatch between execution
and logging histories. To fix this issue, we avoid flushing the transactional
cache when a commit or rollback is not issued.
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