| Commit message (Collapse) | Author | Age | Files | Lines |
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Workaround for a possible GCC bug happening in my_fill_ucs2:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58039
Commenting out the optimized loop.
Using the original MySQL version.
modified:
strings/ctype-ucs2.c
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includes:
* remove some remnants of "Bug#14521864: MYSQL 5.1 TO 5.5 BUGS PARTITIONING"
* introduce LOCK_share, now LOCK_ha_data is strictly for engines
* rea_create_table() always creates .par file (even in "frm-only" mode)
* fix a 5.6 bug, temp file leak on dummy ALTER TABLE
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CHARSET_INFO is already typedef'ed as "const" strúcture, thus "const CHARSET_INFO" generates multiple type modifier warning.
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Fixed OPTIMIZE with innodb
include/my_sys.h:
Removed ATTRIBUTE_FORMAT() as it gave warnings for %'s
sql/log_event.cc:
Optimization:
use my_b_write() and my_b_write_byte() instead of my_b_printf()
use strmake() instead of my_snprintf()
sql/sql_admin.cc:
Fixed bug in admin_recreate_table()
Fixed OPTIMIZE with innodb
sql/sql_table.cc:
Indentation fixes
strings/my_vsnprintf.c:
Changed fprintf() to fputs()
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(without InnoDB - all InnoDB changes were ignored)
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Due to an internal change in the server code in between 5.1 and 5.5
(wl#2649) the hash function used in KEY partitioning changed
for numeric and date/time columns (from binary hash calculation
to character based hash calculation).
Also enum/set changed from latin1 ci based hash calculation to
binary hash between 5.1 and 5.5. (bug#11759782).
These changes makes KEY [sub]partitioned tables on any of
the affected column types incompatible with 5.5 and above,
since the calculation of partition id differs.
Also since InnoDB asserts that a deleted row was previously
read (positioned), the server asserts on delete of a row that
is in the wrong partition.
The solution for this situation is:
1) The partitioning engine will check that delete/update will go to the
partition the row was read from and give an error otherwise, consisting
of the rows partitioning fields. This will avoid asserts in InnoDB and
also alert the user that there is a misplaced row. A detailed error
message will be given, including an entry to the error log consisting
of both table name, partition and row content (PK if exists, otherwise
all partitioning columns).
2) A new optional syntax for KEY () partitioning in 5.5 is allowed:
[SUB]PARTITION BY KEY [ALGORITHM = N] (list_of_cols)
Where N = 1 uses the same hashing as 5.1 (Numeric/date/time fields uses
binary hashing, ENUM/SET uses charset hashing) N = 2 uses the same
hashing as 5.5 (Numeric/date/time fields uses charset hashing,
ENUM/SET uses binary hashing). If not set on CREATE/ALTER it will
default to 2.
This new syntax should probably be ignored by NDB.
3) Since there is a demand for avoiding scanning through the full
table, during upgrade the ALTER TABLE t PARTITION BY ... command is
considered a no-op (only .frm change) if everything except ALGORITHM
is the same and ALGORITHM was not set before, which allows manually
upgrading such table by something like:
ALTER TABLE t PARTITION BY KEY ALGORITHM = 1 () or
ALTER TABLE t PARTITION BY KEY ALGORITHM = 2 ()
4) Enhanced partitioning with CHECK/REPAIR to also check for/repair
misplaced rows. (Also works for ALTER TABLE t CHECK/REPAIR PARTITION)
CHECK FOR UPGRADE:
If the .frm version is < 5.5.3
and uses KEY [sub]partitioning
and an affected column type
then it will fail with an message:
KEY () partitioning changed, please run:
ALTER TABLE `test`.`t1` PARTITION BY KEY ALGORITHM = 1 (a)
PARTITIONS 12
(i.e. current partitioning clause, with the addition of
ALGORITHM = 1)
CHECK without FOR UPGRADE:
if MEDIUM (default) or EXTENDED options are given:
Scan all rows and verify that it is in the correct partition.
Fail for the first misplaced row.
REPAIR:
if default or EXTENDED (i.e. not QUICK/USE_FRM):
Scan all rows and every misplaced row is moved into its correct
partitions.
5) Updated mysqlcheck (called by mysql_upgrade) to handle the
new output from CHECK FOR UPGRADE, to run the ALTER statement
instead of running REPAIR.
This will allow mysql_upgrade (or CHECK TABLE t FOR UPGRADE) to upgrade
a KEY [sub]partitioned table that has any affected field type
and a .frm version < 5.5.3 to ALGORITHM = 1 without rebuild.
Also notice that if the .frm has a version of >= 5.5.3 and ALGORITHM
is not set, it is not possible to know if it consists of rows from
5.1 or 5.5! In these cases I suggest that the user does:
(optional)
LOCK TABLE t WRITE;
SHOW CREATE TABLE t;
(verify that it has no ALGORITHM = N, and to be safe, I would suggest
backing up the .frm file, to be used if one need to change to another
ALGORITHM = N, without needing to rebuild/repair)
ALTER TABLE t <old partitioning clause, but with ALGORITHM = N>;
which should set the ALGORITHM to N (if the table has rows from
5.1 I would suggest N = 1, otherwise N = 2)
CHECK TABLE t;
(here one could use the backed up .frm instead and change to a new N
and run CHECK again and see if it passes)
and if there are misplaced rows:
REPAIR TABLE t;
(optional)
UNLOCK TABLES;
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MANY WILDCARDS CAUSES A SEGFAULT
Back port from 5.6 and trunk
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MANY WILDCARDS CAUSES A SEGFAULT
Back port from 5.6 and trunk
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fixes for gcc 4.8 - compilation warnings and -fsanitize=address
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and sometimes harmful (used with expressions)
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Field_enum incorrectly inherited decimals() from Field_string.
Field_enum should be always integer in numeric context.
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(even if the server and libraries itself use stpcpy instead of it)
It is a workaround that allows myodbc built by certain distributions' (CentOS,Fedora) to peacefully coexist with mariadb client libraries.
The problem is that MyODBC in these distros needs strmov() to be exported by mysql client shared library, or else myodbc fails to load.
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Both <width> and <precision> can be specified as numbers or '*'.
If an asterisk is used, an argument of type int is consumed.
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frac is the number of decimal digits after the point
For each multiplication in the expression, decimal_mul() does this:
to->frac= from1->frac + from2->frac; /* store size in digits */
which will eventually overflow.
The code for handling the overflow, will truncate the two digits in "1.75" to "1"
Solution:
Truncate to 31 significant fractional digits, when doing decimal multiplication.
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HANDLE_FATAL_SIGNAL IN STRNLEN
Fixed the following bounds checking problems :
1. in check_if_legal_filename() make sure the null terminated
string is long enough before accessing the bytes in it.
Prevents pottential read-past-buffer-end
2. in my_wc_mb_filename() of the filename charset check
for the end of the destination buffer before sending single
byte characters into it.
Prevents write-past-end-of-buffer (and garbaling stack in
the cases reported here) errors.
Added test cases.
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Rewrite the "parser" in my_strtod_int() to avoid
reading past the end of the input string.
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Mini-benchmarking demonstrates up to 10% improvement in latin1->utf8
conversion.
modified:
@ strings/ctype-latin1.c
redundant test in ctype-latin1.c removed
@ strings/ctype-utf8.c
my_uni_utf8 rewritten in a more efficient way
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added:
mysql-test/include/ctype_heap.inc
mysql-test/include/ctype_strtoll10.inc
mysql-test/r/ctype_utf16le.result
mysql-test/t/ctype_utf16le.test
modified:
cmake/character_sets.cmake
include/m_ctype.h
mysql-test/r/ctype_ucs.result
mysql-test/r/ctype_utf16.result
mysql-test/r/ctype_utf32.result
mysql-test/suite/funcs_1/r/innodb_func_view.result
mysql-test/suite/funcs_1/r/memory_func_view.result
mysql-test/suite/funcs_1/r/myisam_func_view.result
mysql-test/suite/sys_vars/r/character_set_client_basic.result
mysql-test/suite/sys_vars/r/character_set_connection_basic.result
mysql-test/suite/sys_vars/r/character_set_database_basic.result
mysql-test/suite/sys_vars/r/character_set_filesystem_basic.result
mysql-test/suite/sys_vars/r/character_set_results_basic.result
mysql-test/t/ctype_ucs.test
mysql-test/t/ctype_utf16.test
mysql-test/t/ctype_utf32.test
mysys/charset-def.c
sql/item_func.cc
sql/sys_vars.cc
strings/ctype-latin1.c
strings/ctype-ucs2.c
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long error message with %M fails the assertion in my_vsnprintf
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converting to DECIMAL" on a query with aggregate functions and GROUP BY
fix: don't call field->val_decimal() if the field->is_null()
because the buffer at field->ptr might not hold a valid decimal value
sql/item_sum.cc:
do not call field->val_decimal() if the field->is_null()
storage/maria/ma_blockrec.c:
cleanup
storage/maria/ma_rrnd.c:
cleanup
strings/decimal.c:
typo
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(because of a width or a short buffer)
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Documentation of the feature can be found at: http://kb.askmonty.org/en/multi-source-replication/
This code is based on code from Taobao, developed by Plinux
Other things:
- Added new commands: START ALL SLAVES, STOP ALL SLAVES and SHOW FULL SLAVE STATUS
- Almost all usage of 'active_mi' is deleted.
- Added parameter to reset_logs() so that one can specify if new logs should be created.
- Check wildcard match as early as possible for SHOW STATUS. This makes SHOW STATUS like 'xxx' a lot faster and use less mutex
- Made max_relay_log_size depending on master connection.
- Added sys_vars.default_master_connection_basic to fix a failure in sys_vars.all_vars, modified sql_slave_skip_counter_basic to allow session-level settings
- Added commands to mysqladmin: start-all-slaves & stop-all-slaves
- Removed logging of "next log '%s' is currently active | not active"
- Fixed bug in my_vsnprintf() when using positional parameters with length
- Added fn_ext2(), which returns pointer to last '.' in file name
- max_relay_log_size now acts as a normal slave specific variable
- Don't store replication position if innobase_overwrite_relay_log_info is not set
- max_relay_log_size copies it's values from max_binlog_size at startup
BUILD/SETUP.sh:
Added -Wno-invalid-offsetof to get rid of warning of offsetof() on C++ class (safe in the contex we use it)
client/mysqladmin.cc:
Added commands start-all-slaves & stop-all-slaves
client/mysqltest.cc:
Added support for error names starting with 'W'
Added connection_name support to --sync_with_master
cmake/maintainer.cmake:
Added -Wno-invalid-offsetof to get rid of warning of offsetof() on C++ class (safe in the contex we use it)
include/my_sys.h:
Added fn_ext2(), which returns pointer to last '.' in file name
include/mysql/plugin.h:
Added SHOW_SIMPLE_FUNC
include/mysql/plugin_audit.h.pp:
Updated signature file
include/mysql/plugin_auth.h.pp:
Updated signature file
include/mysql/plugin_ftparser.h.pp:
Updated signature file
mysql-test/extra/rpl_tests/rpl_max_relay_size.test:
Updated test
mysql-test/include/setup_fake_relay_log.inc:
There is no orphan relay log files anymore
mysql-test/mysql-test-run.pl:
Added multi_source to test suite
mysql-test/r/flush.result:
Added test for new syntax of flush relay logs (can't repeat relay logs or slave)
mysql-test/r/mysqld--help.result:
Updated result
mysql-test/r/mysqltest.result:
Updated result
mysql-test/r/parser.result:
Updated result
mysql-test/r/signal_code.result:
Updated result after introducing new commands
mysql-test/r/sp-code.result:
Updated result after introducing new commands
mysql-test/suite/multi_source:
Tests for multi-source
mysql-test/suite/multi_source/info_logs-master.opt:
Test with strange file names
mysql-test/suite/multi_source/info_logs.result:
Test of logs
mysql-test/suite/multi_source/info_logs.test:
Test of logs
mysql-test/suite/multi_source/my.cnf:
Setup of multi-master tests
Added log-warnings to get more information to the log files
mysql-test/suite/multi_source/relaylog_events.result:
Test relay log handling
mysql-test/suite/multi_source/relaylog_events.test:
Test relay log handling
mysql-test/suite/multi_source/reset_slave.result:
Test RESET SLAVE
mysql-test/suite/multi_source/reset_slave.test:
Test RESET SLAVE
mysql-test/suite/multi_source/simple.result:
Simple basic test of multi-source functionality
mysql-test/suite/multi_source/simple.test:
Simple basic test of multi-source functionality
mysql-test/suite/multi_source/skip_counter.result:
Testing skip_counter and max_relay_log_size
mysql-test/suite/multi_source/skip_counter.test:
Testing skip_counter and max_relay_log_size
mysql-test/suite/multi_source/syntax.result:
Test of multi-source syntax
mysql-test/suite/multi_source/syntax.test:
Test of multi-source syntax
mysql-test/suite/rpl/r/rpl_deadlock_innodb.result:
New warnings
mysql-test/suite/rpl/r/rpl_filter_dbs_dynamic.result:
Improved error texts
mysql-test/suite/rpl/r/rpl_filter_tables_dynamic.result:
Improved error texts
mysql-test/suite/rpl/r/rpl_filter_wild_tables_dynamic.result:
Improved error texts
mysql-test/suite/rpl/r/rpl_flush_logs.result:
Update results
mysql-test/suite/rpl/r/rpl_heartbeat.result:
Warning was removed
mysql-test/suite/rpl/r/rpl_heartbeat_basic.result:
Warning was removed
mysql-test/suite/rpl/r/rpl_rotate_logs.result:
Updated results because of new error messages
mysql-test/suite/rpl/r/rpl_row_max_relay_size.result:
Updated results
mysql-test/suite/rpl/r/rpl_row_show_relaylog_events.result:
Updated results after improved RESET SLAVE (we now use less relay log files)
mysql-test/suite/rpl/r/rpl_skip_replication.result:
New error message
mysql-test/suite/rpl/r/rpl_start_slave_deadlock_sys_vars.result:
Test removed as the old DBUG_SYNC entries doesn't exist anymore
mysql-test/suite/rpl/r/rpl_stm_max_relay_size.result:
Updated results
mysql-test/suite/rpl/r/rpl_stm_mix_show_relaylog_events.result:
Updated results after improved RESET SLAVE (we now use less relay log files)
mysql-test/suite/rpl/t/rpl_flush_logs.test:
Updated tests as relay log files is created a bit differently than before
mysql-test/suite/rpl/t/rpl_start_slave_deadlock_sys_vars.test:
Test removed as the old DBUG_SYNC entries doesn't exist anymore
mysql-test/suite/sys_vars/r/default_master_connection_basic.result:
New test to test usage of default_master_connection
mysql-test/suite/sys_vars/r/max_relay_log_size_basic.result:
Updated results
mysql-test/suite/sys_vars/r/sql_slave_skip_counter_basic.result:
Updated usage of sql_slave_skip_counter
mysql-test/suite/sys_vars/t/default_master_connection_basic.test:
New test to test usage of default_master_connection
mysql-test/suite/sys_vars/t/max_relay_log_size_basic.test:
Updated results
mysql-test/suite/sys_vars/t/sql_slave_skip_counter_basic.test:
Updated test for multi-source
mysql-test/t/flush.test:
Added test for new syntax of flush relay logs (can't repeat relay logs or slave)
mysql-test/t/parser.test:
Updated test as master_pos_wait() now takes more arguments than before
mysys/mf_fn_ext.c:
Added fn_ext2(), which returns pointer to last '.' in file name
plugin/semisync/semisync_master_plugin.cc:
Use SHOW_SIMPLE_FUNC to optimize SHOW STATUS
sql/event_scheduler.cc:
No reason to initialize slave_thread (it's guaranteed to be zero here)
sql/item_create.cc:
Added connection_name argument to master_pos_wait()
Simplified code
sql/item_func.cc:
Added connection_name argument to master_pos_wait()
sql/item_func.h:
Added connection_name argument to master_pos_wait()
sql/lex.h:
Added SLAVES keyword
sql/log.cc:
Added tag "Master 'connection_name'" to slave errors that has a connection name.
Added parameter to reset_logs() so that one can specify if new logs should be created.
Removed some wrong casts
Changed some constants to defines
sql/log.h:
Added parameter to reset_logs()
Updated comment to reflect new code
sql/log_event.cc:
Updated DBUG_PRINT
sql/mysqld.cc:
Added variable mysqld_server_initialized so that other functions can test if server is fully initialized.
Free all slave data in one place (fewer ifdef's)
Removed not needed call to close_active_mi()
Initialize slaves() later in startup to ensure that everthing is really initialized when slaves start.
Made status variable slave_running multi-source safe
max_relay_log_size copies it's values from max_binlog_size at startup
SHOW_FUNC -> SHOW_SIMPLE_FUNC
sql/mysqld.h:
Added mysqld_server_initialized
Removed max_relay_log_size
sql/rpl_mi.cc:
Store connection name and cmp_connection_name (only used for show full slave status) in Master_info
Added code for Master_info_index, which handles storage of multi-master information
Don't write the empty "" connection_name to multi-master.info file. This is handled by the original code.
Create Master_info_index::index_file_names once at init
More DBUG_PRINT
Give error if Master_info_index::check_duplicate_master_info fails
Added start|stop all slaves
sql/rpl_mi.h:
Added connection_name and Master_info_index
Updated prototypes
sql/rpl_rli.cc:
Added connection_name to relay log files.
If we do a full reset, don't create any new relay log files.
Updated comment to reflect new code
Made max_relay_log_size depending on master connection.
sql/rpl_rli.h:
Fixed type of slave_skip_counter as we now access it directly in sys_vars.cc, so it must be ulong
Made executed_entries and max_relay_log_size depending on master connection.
sql/set_var.cc:
Fixed that one can get variable name also when one uses DEFAULT
sql/set_var.h:
Made option global so that one can check and change min & max values (sorry Sergei)
sql/share/errmsg-utf8.txt:
Added new error messages needed for multi-source
Added multi-source name to error ER_MASTER_INFO and WARN_NO_MASTER_INFO
Improved error message if connection exists
sql/slave.cc:
Moved things a bit around to make it easier to handle error conditions.
Create a global master_info_index and add the "" connection to it
Ensure that new Master_info doesn't fail.
Don't call terminate_slave_threads(active_mi..) on end_slave() as this is now done automaticly when deleting master_info_index.
Delete not needed function close_active_mi(). One can achive same thing by calling end_slave().
Added support for SHOW FULL SLAVE STATUS (show status for all master connections with connection_name as first column)
Removed logging of "next log '%s' is currently active | not active"
Added Slave_received_heartbeats and Slave_heartbeat_period
sql/slave.h:
Added new defines and prototypes
sql/sql_base.cc:
More DBUG_PRINT
sql/sql_class.cc:
Reset thd->connection_name and thd-->default_master_connection
sql/sql_class.h:
Added thd->connection_name and thd-->default_master_connection
Made slave_skip_count and max_relay_log_size depending on master connection. These variables are in THD to make changing them thread safe.
sql/sql_const.h:
Added MAX_CONNECTION_NAME
sql/sql_insert.cc:
thd->slave_thread -> thd->rli_slave
Removed usage of active_mi
sql/sql_lex.cc:
Reset 'lex->verbose' (to simplify some sql_yacc.yy code)
sql/sql_lex.h:
Added connection_name, relay_log_connection_name, SQLCOM_SLAVE_ALL_START and SQLCOM_SLAVE_ALL_STOP
sql/sql_load.cc:
thd->slave_thread -> thd->rli_slave
Removed usage of active_mi
sql/sql_parse.cc:
Added support for connection_name to all SLAVE commands.
- Instead of using active_mi, we now get the current Master_info from master_info_index.
- Create new replication threads with CHANGE MASTER
- Added support for show_all_master_info()-
sql/sql_prepare.cc:
Added SQLCOM_SLAVE_ALL_START and SQLCOM_SLAVE_ALL_STOP
sql/sql_reload.cc:
Made reset/full slave use master_info_index->get_master_info() instead of active_mi.
If one uses 'RESET SLAVE "connection_name" all' the connection is removed from master_info_index.
Fixed issues with FLUSH RELAY LOGS
sql/sql_repl.cc:
sql_slave_skip_counter is moved to thd->variables to make it thread safe and fix some bugs with it
Add connection name to relay log files.
Added connection name to errors.
Added some logging for multi-master if log_warnings > 1
stop_slave():
- Don't check if thd is set. It's guaranteed to always be set.
change_master():
- Check for duplicate connection names in change_master()
- Check for wrong arguments first in file (to simplify error handling)
- Register new connections in master_info_index
******
Added multi-source support to show relaylog events
******
check_duplicate_master_info() now generates an error
Added parameter to reset_logs()
******
Updated calls to create_signed_file_name()
sql/sql_show.cc:
Check wildcard match as early as possible for SHOW STATUS. This makes SHOW STATUS like 'xxx' a lot faster and use less mutex
sql/sql_yacc.yy:
Added optional connection_name to a all relevant master/slave commands
Added multi-source support to show relaylog events
Added new commands START ALL SLAVES, STOP ALL SLAVES and SHOW FULL SLAVE STATUS
sql/strfunc.cc:
my_global.h shoud always be included first.
sql/sys_vars.cc:
Added variable default_master_connection
Made variable sql_slave_skip_counter multi-source safe
Made max_relay_log_size depending on master connection.
Made old code more reusable
sql/sys_vars.h:
Added Sys_var_session_lexstring (needed for default_master_connection)
Added Sys_var_multi_source_uint (needed for sql_slave_skip_counter).
Changed Sys_var_multi_source_uint to ulong to be able to handle max_relay_log_size
Made old code more reusable
storage/example/ha_example.cc:
Use SHOW_SIMPLE_FUNC to optimize SHOW STATUS
storage/sphinx/ha_sphinx.cc:
Use SHOW_SIMPLE_FUNC to optimize SHOW STATUS
storage/xtradb/handler/ha_innodb.cc:
Don't store replication position if innobase_overwrite_relay_log_info is not set
strings/my_vsnprintf.c:
Fixed bug when using positional parameters with length
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Various places in the server replication code was incorrectly quoting
strings, which could lead to incorrect SQL on the slave/mysqlbinlog.
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