| Commit message (Collapse) | Author | Age | Files | Lines |
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query log
Added Rows_affected to slow query log & mysql.slow_log table.
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mysqldump:
- Added --log-queries to allow one to disable logging for the dump
sql/log_event.cc:
- Removed setting of enable_slow_log as it's not required anymore.
sql/sql_parse.cc:
- Set enable_slow_log to value of thd->variables.sql_log_slow as this will speed up tests if slow log is disabled.
- opt_log_slow_admin_statements can now only disable slow log, not enable it.
sql/sql_explain.cc:
- Minor cleanup
Other things:
- Added sql_log_slow to system variables.
- Changed opt_slow_log to global_system_variables.sql_log_slow in all files
- Updated tests to reflect changes
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Complete the merge of magne.mahre@oracle.com-20101102115354-vxcaxminmzglzalk
(WL#5185 Remove deprecated 5.1 features)
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- make the test output stable
- make Log_to_csv_event_handler::log_slow() to write the value
of thd->thread_id (it didn't, and so 0 was always logged).
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NUMBERS
If a system variable was declared as deprecated without mention of an
alternative, the message would look funny, e.g. for @@delayed_insert_limit:
Warning 1287 '@@delayed_insert_limit' is deprecated and
will be removed in MySQL .
The message was meant to display the version number, but it's not
possible to give one when declaring a system variable.
The fix does two things:
1) The definition of the message
ER_WARN_DEPRECATED_SYNTAX_NO_REPLACEMENT is changed so that it does
not display a version number. I.e. in English the message now reads:
Warning 1287 The syntax '@@delayed_insert_limit' is deprecated and
will be removed in a future version.
2) The message ER_WARN_DEPRECATED_SYNTAX_WITH_VER is discontinued in
favor of ER_WARN_DEPRECATED_SYNTAX for system variables. This change
was already done in versions 5.6 and above as part of wl#5265. This
part is simply back-ported from the worklog.
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The failures are missing entries in the slow query log. The reason for the failure are sleep() calls with short duration 10ms, which is less than the default system timer resolution for various WaitForXXXObject functions (15.6 ms) and thus can't work reliably.
The fix is to make sleeps tiny bit longer (20ms from 10ms) in the test.
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* rename all debugging related command-line options
and variables to start from "debug-", and made them all
OFF by default.
* replace "MySQL" with "MariaDB" in error messages
* "Cast ... converted ... integer to it's ... complement"
is now a note, not a warning
* @@query_cache_strip_comments now has a session scope,
not global.
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sql/sql_insert.cc:
CREATE ... IF NOT EXISTS may do nothing, but
it is still not a failure. don't forget to my_ok it.
******
CREATE ... IF NOT EXISTS may do nothing, but
it is still not a failure. don't forget to my_ok it.
sql/sql_table.cc:
small cleanup
******
small cleanup
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TIMESTAMP -> TIMESTAMP(6)
TIME -> TIME(6)
in general_log and slow_log tables.
include/my_sys.h:
use constants
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use limit efficiently
Bug #36569: UPDATE ... WHERE ... ORDER BY... always does a
filesort even if not required
Also two bugs reported after QA review (before the commit
of bugs above to public trees, no documentation needed):
Bug #53737: Performance regressions after applying patch
for bug 36569
Bug #53742: UPDATEs have no effect after applying patch
for bug 36569
Execution of single-table UPDATE and DELETE statements did not use the
same optimizer as was used in the compilation of SELECT statements.
Instead, it had an optimizer of its own that did not take into account
that you can omit sorting by retrieving rows using an index.
Extra optimization has been added: when applicable, single-table
UPDATE/DELETE statements use an existing index instead of filesort. A
corresponding SELECT query would do the former.
Also handling of the DESC ordering expression has been added when
reverse index scan is applicable.
From now on most single table UPDATE and DELETE statements show the
same disk access patterns as the corresponding SELECT query. We verify
this by comparing the result of SHOW STATUS LIKE 'Sort%
Currently the get_index_for_order function
a) checks quick select index (if any) for compatibility with the
ORDER expression list or
b) chooses the cheapest available compatible index, but only if
the index scan is cheaper than filesort.
Second way is implemented by the new test_if_cheaper_ordering
function (extracted part the test_if_skip_sort_order()).
mysql-test/r/log_state.result:
Updated result for optimized query, bug #36569.
mysql-test/r/single_delete_update.result:
Test case for bug #30584, bug #36569 and bug #53742.
mysql-test/r/update.result:
Updated result for optimized query, bug #30584.
Note:
"Handler_read_last 1" omitted, see bug 52312:
lost Handler_read_last status variable.
mysql-test/t/single_delete_update.test:
Test case for bug #30584, bug #36569 and bug #53742.
sql/opt_range.cc:
Bug #30584, bug #36569: UPDATE/DELETE ... WHERE ... ORDER BY...
always does a filesort even if not required
* get_index_for_order() has been rewritten entirely and moved
to sql_select.cc
New QUICK_RANGE_SELECT::make_reverse method has been added.
sql/opt_range.h:
Bug #30584, bug #36569: UPDATE/DELETE ... WHERE ... ORDER BY...
always does a filesort even if not required
* get_index_for_order() has been rewritten entirely and moved
to sql_select.cc
New functions:
* QUICK_SELECT_I::make_reverse()
* SQL_SELECT::set_quick()
sql/records.cc:
Bug #30584, bug #36569: UPDATE/DELETE ... WHERE ... ORDER BY...
always does a filesort even if not required
* init_read_record_idx() has been modified to allow reverse index scan
New functions:
* rr_index_last()
* rr_index_desc()
sql/records.h:
Bug #30584, bug #36569: UPDATE/DELETE ... WHERE ... ORDER BY...
always does a filesort even if not required
init_read_record_idx() has been modified to allow reverse index scan
sql/sql_delete.cc:
Bug #30584, bug #36569: UPDATE/DELETE ... WHERE ... ORDER BY...
always does a filesort even if not required
mysql_delete: an optimization has been added to skip
unnecessary sorting with ORDER BY clause where select
result ordering is acceptable.
sql/sql_select.cc:
Bug #30584, bug #36569, bug #53737, bug #53742:
UPDATE/DELETE ... WHERE ... ORDER BY... always does a filesort
even if not required
The const_expression_in_where function has been modified
to accept both Item and Field pointers.
New functions:
* get_index_for_order()
* test_if_cheaper_ordering() has been extracted from
test_if_skip_sort_order() to share with get_index_for_order()
* simple_remove_const()
sql/sql_select.h:
Bug #30584, bug #36569: UPDATE/DELETE ... WHERE ... ORDER BY...
always does a filesort even if not required
New functions:
* test_if_cheaper_ordering()
* simple_remove_const()
* get_index_for_order()
sql/sql_update.cc:
Bug #30584, bug #36569: UPDATE/DELETE ... WHERE ... ORDER BY...
always does a filesort even if not required
mysql_update: an optimization has been added to skip
unnecessary sorting with ORDER BY clause where a select
result ordering is acceptable.
sql/table.cc:
Bug #30584, bug #36569: UPDATE/DELETE ... WHERE ... ORDER BY...
always does a filesort even if not required
New functions:
* TABLE::update_const_key_parts()
* is_simple_order()
sql/table.h:
Bug #30584, bug #36569: UPDATE/DELETE ... WHERE ... ORDER BY...
always does a filesort even if not required
New functions:
* TABLE::update_const_key_parts()
* is_simple_order()
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Conflicts:
conflict Makefile.am
conflict mysql-test/suite/rpl/r/rpl_stm_mixing_engines.result
conflict mysql-test/suite/rpl/t/rpl_tmp_table_and_DDL.test
conflict sql/opt_sum.cc
conflict sql/set_var.cc
conflict sql/sql_base.cc
conflict sql/sql_priv.h
conflict sql/sql_show.cc
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update statements
Only SELECT statements report any examined rows in the slow
log. Slow UPDATE, DELETE and INSERT statements report 0 rows
examined, unless the statement has a condition including a
SELECT substatement.
This patch adds counting of examined rows for the UPDATE and
DELETE statements. An INSERT ... VALUES statement will still
not report any rows as examined.
sql/sql_class.h:
Added more docs for THD::examined_row_count.
sql/sql_delete.cc:
Add incrementing thd->examined_row_count.
sql/sql_update.cc:
Add incrementing thd->examined_row_count.
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removed in MySQL 6.0
CREATE TABLE... TYPE= returns the warning "The syntax
'TYPE=storage_engine' is deprecated and will be removed in
MySQL 6.0. Please use 'ENGINE=storage_engine' instead"
This syntax is deprecated already from version 5.4.4, so
the message has been changed.
In addition, the deprecation macro was changed to reflect
the ServerPT decision not to include version number in the
warning message.
A number of test result files have been changed as a
consequence of the change in the deprecation macro.
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When assigning the new string value to the variable, the
Item::str_value member was used. This is not according to
the protocol. str_value is an internal member used for
temporary assignments, and is not consistently set for all
string operations. It is set for constant strings, so it would
work in these cases, but not for string functions (concat,
substr, etc.)
The correct approach is to use Item::val_str(..) to evaluate
and retrieve the string.
Backport from 6.0-codebase
6.0-codebase revno: 2617.31.17
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+ add workaround for bug 38124
+ messages into the protocol when sessions are switched
+ replace error numbers by error names
+ reset of system variables to initial values per subtest
+ remove a file created by this test
+ minor improvements in structure and formatting
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Adds --general_log_file, --slow_query_log_file command-
line options to match system variables of the same names.
Deprecates --log, --log-slow-queries command-line options
and log, log_slow_queries system-variables for v7.0; they
are superseded by general_log/general_log_file and
slow_query_log/slow_query_log_file, respectively.
mysql-test/r/log_basic.result:
Change deprecated system variable "log" to
general log.
mysql-test/r/log_state.result:
Show that all log-related server variables that
should throw deprecation warnings do, and the
others don't.
mysql-test/t/log_basic.test:
Change deprecated system variable "log" to
general log.
mysql-test/t/log_state.test:
Show that all log-related server variables that
should throw deprecation warnings do, and the
others don't.
sql/mysqld.cc:
Add command-line options --general_log_file and
--slow_query_log_file to match server options of
the same name.
Deprecated --log and --log-slow-queries command-line
options; they are superseded by --general-log/
--general-log-file and --slow-query-log/--slow-query-log-file,
respectively
sql/set_var.cc:
Deprecate system-variables log in favour of general_log,
log_slow_queries in favour of slow_query_log for 7.0,
both for value- and DEFAULT-setting.
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general_log_file/slow_query_log_file.
The problem was that log file path was rejected if directory
path was empty. The fix is to reject log file path only if it
is entirely empty.
mysql-test/r/log_state.result:
Update result file.
mysql-test/t/log_state.test:
A test case for Bug#32748: Inconsistent handling of assignments to
general_log_file/slow_query_log_file.
sql/set_var.cc:
Accept file path if dirname is empty.
Reject file path if it is empty.
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into ramayana.hindu.god:/home/tsmith/m/bk/maint/51-merge
client/mysqldump.c:
Auto merged
include/my_base.h:
Auto merged
include/my_sys.h:
Auto merged
libmysql/CMakeLists.txt:
Auto merged
libmysql/Makefile.shared:
Auto merged
mysql-test/lib/mtr_cases.pl:
Auto merged
mysql-test/mysql-test-run.pl:
Auto merged
mysql-test/r/create.result:
Auto merged
mysql-test/r/grant.result:
Auto merged
mysql-test/r/innodb.result:
Auto merged
mysql-test/r/ps.result:
Auto merged
mysql-test/suite/rpl/t/rpl_ssl.test:
Auto merged
mysql-test/t/cast.test:
Auto merged
mysql-test/t/create.test:
Auto merged
mysql-test/t/ps.test:
Auto merged
mysql-test/t/variables.test:
Auto merged
sql/field.cc:
Auto merged
sql/item_cmpfunc.cc:
Auto merged
sql/item_cmpfunc.h:
Auto merged
sql/item_timefunc.cc:
Auto merged
sql/opt_range.cc:
Auto merged
sql/records.cc:
Auto merged
sql/set_var.cc:
Auto merged
sql/set_var.h:
Auto merged
sql/sql_acl.cc:
Auto merged
sql/sql_parse.cc:
Auto merged
sql/sql_select.cc:
Auto merged
sql/sql_table.cc:
Auto merged
sql/unireg.cc:
Auto merged
storage/myisam/ft_boolean_search.c:
Auto merged
storage/myisam/ha_myisam.cc:
Auto merged
storage/myisam/sort.c:
Auto merged
mysql-test/t/log_state.test:
Manual merge fix-up
mysql-test/include/mix1.inc:
Manual merge
mysql-test/r/ctype_ucs.result:
Manual merge
mysql-test/r/func_misc.result:
Manual merge
mysql-test/r/innodb_mysql.result:
Manual merge
mysql-test/r/key.result:
Manual merge
mysql-test/r/log_state.result:
Manual merge
mysql-test/suite/binlog/t/binlog_killed.test:
Manual merge
mysql-test/t/ctype_ucs.test:
Manual merge
mysql-test/t/func_misc.test:
Manual merge
mysql-test/t/key.test:
Manual merge
sql/item_strfunc.h:
Manual merge
strings/ctype-simple.c:
Manual merge
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general_log_file variable
Problem: we don't evaluate given expression checking values of the
slow_query_log_file/general_log_file, don't check it for NULL.
Fix: evaluate the expression, check result returned.
mysql-test/r/log_state.result:
Fix bug #31604: server crash when setting slow_query_log_file/global general_log_file variable
- test result.
mysql-test/t/log_state.test:
Fix bug #31604: server crash when setting slow_query_log_file/global general_log_file variable
- test case.
sql/set_var.cc:
Fix bug #31604: server crash when setting slow_query_log_file/global general_log_file variable
- evaluate var->value calling val_str() method;
- check for null values returned;
- return proper errors if any.
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doesn't recognize it
This is a 5.1 version of the patch.
Problem:
'log' and 'log_slow_queries' were "fixed" variables, i.e. they showed up
in SHOW VARIABLES, but could not be used in expressions like
"select @@log". Also, using them in the SET statement produced an
incorrect "unknown system variable" error.
Solution:
Since as of MySQL 5.1.12 one can enable or disable the general query log
or the slow query log at runtime by changing values of
general_log/slow_query_log, make 'log' and 'log_slow_queries" to be
synonyms for 'general_log' and 'slow_query_log' respectively. This
makes expressions using the '@@var' syntax backward compatible with
5.0 and SHOW VARIABLES output to be consistent with the SET statement.
mysql-test/r/log_state.result:
Added a test case for bug #29131.
mysql-test/t/log_state.test:
Added a test case for bug #29131.
sql/set_var.cc:
Made the 'log' and 'log_slow_queries' system variables to be synonyms for 'general_log' and 'slow_query_log'.
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loaded system
mysql-test/r/log_state.result:
Update results (Bug#28830)
mysql-test/t/log_state.test:
A fix for Bug#28830 Test case log_state fails on VMWare Windows clone due
to loaded system - make the test more deterministic.
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Bug#25422 (Hang with log tables)
Bug 17876 (Truncating mysql.slow_log in a SP after using cursor locks the
thread)
Bug 23044 (Warnings on flush of a log table)
Bug 29129 (Resetting general_log while the GLOBAL READ LOCK is set causes
a deadlock)
Prior to this fix, the server would hang when performing concurrent
ALTER TABLE or TRUNCATE TABLE statements against the LOG TABLES,
which are mysql.general_log and mysql.slow_log.
The root cause traces to the following code:
in sql_base.cc, open_table()
if (table->in_use != thd)
{
/* wait_for_condition will unlock LOCK_open for us */
wait_for_condition(thd, &LOCK_open, &COND_refresh);
}
The problem with this code is that the current implementation of the
LOGGER creates 'fake' THD objects, like
- Log_to_csv_event_handler::general_log_thd
- Log_to_csv_event_handler::slow_log_thd
which are not associated to a real thread running in the server,
so that waiting for these non-existing threads to release table locks
cause the dead lock.
In general, the design of Log_to_csv_event_handler does not fit into the
general architecture of the server, so that the concept of general_log_thd
and slow_log_thd has to be abandoned:
- this implementation does not work with table locking
- it will not work with commands like SHOW PROCESSLIST
- having the log tables always opened does not integrate well with DDL
operations / FLUSH TABLES / SET GLOBAL READ_ONLY
With this patch, the fundamental design of the LOGGER has been changed to:
- always open and close a log table when writing a log
- remove totally the usage of fake THD objects
- clarify how locking of log tables is implemented in general.
See WL#3984 for details related to the new locking design.
Additional changes (misc bugs exposed and fixed):
1)
mysqldump which would ignore some tables in dump_all_tables_in_db(),
but forget to ignore the same in dump_all_views_in_db().
2)
mysqldump would also issue an empty "LOCK TABLE" command when all the tables
to lock are to be ignored (numrows == 0), instead of not issuing the query.
3)
Internal errors handlers could intercept errors but not warnings
(see sql_error.cc).
4)
Implementing a nested call to open tables, for the performance schema tables,
exposed an existing bug in remove_table_from_cache(), which would perform:
in_use->some_tables_deleted=1;
against another thread, without any consideration about thread locking.
This call inside remove_table_from_cache() was not required anyway,
since calling mysql_lock_abort() takes care of aborting -- cleanly -- threads
that might hold a lock on a table.
This line (in_use->some_tables_deleted=1) has been removed.
sql/handler.cc:
Moved logic for system / log tables in the SQL layer.
sql/handler.h:
Moved logic for system / log tables in the SQL layer.
sql/lock.cc:
Revised locking of log tables
sql/log.cc:
Major cleanup: changed how log tables are locked / written to.
sql/log.h:
Major cleanup: changed how log tables are locked / written to.
sql/mysql_priv.h:
performance schema helpers
sql/slave.cc:
open_ltable() lock flags
sql/sp.cc:
open_ltable() lock flags
sql/sql_acl.cc:
open_ltable() lock flags
sql/sql_class.h:
performance schema helpers
sql/sql_delete.cc:
log tables cleanup in TRUNCATE
sql/sql_error.cc:
Internal handlers can also intercept warnings
sql/sql_insert.cc:
open_ltable() lock flags
sql/sql_parse.cc:
performance schema helpers
sql/sql_plugin.cc:
open_ltable() lock flags
sql/sql_rename.cc:
log tables cleanup in RENAME
sql/sql_servers.cc:
open_ltable() lock flags
sql/sql_show.cc:
Move INFORMATION_SCHEMA_NAME to table.cc
sql/sql_table.cc:
log tables cleanup (admin operations, ALTER TABLE)
sql/sql_udf.cc:
open_ltable() lock flags
sql/table.cc:
Implemented TABLE_CATEGORY.
sql/share/errmsg.txt:
Changed the wording and name of ER_CANT_READ_LOCK_LOG_TABLE
sql/table.h:
Implemented TABLE_CATEGORY.
storage/csv/ha_tina.cc:
Moved logic for system / log tables in the SQL layer.
storage/csv/ha_tina.h:
Moved logic for system / log tables in the SQL layer.
storage/myisam/ha_myisam.cc:
Moved logic for system / log tables in the SQL layer.
storage/myisam/ha_myisam.h:
Moved logic for system / log tables in the SQL layer.
client/mysqldump.c:
Don't lock tables in the ignore list.
Don't issue empty LOCK TABLES queries.
sql/sql_base.cc:
log tables cleanup
performance schema helpers
mysql-test/r/ps.result:
Adjust test results
mysql-test/r/show_check.result:
Adjust test results
mysql-test/r/status.result:
Adjust test results
mysql-test/t/log_state.test:
Added tests for Bug#29129
mysql-test/t/ps.test:
Make the test output deterministic
mysql-test/t/show_check.test:
Make the test output deterministic
mysql-test/r/log_state.result:
Changed the default location of the log output to LOG_FILE,
for backward compatibility with MySQL 5.0
---
Adjust test results
mysql-test/r/log_tables.result:
cleanup for -ps-protocol
mysql-test/t/log_tables.test:
cleanup for -ps-protocol
sql/set_var.cc:
Changed the default location of the log output to LOG_FILE,
for backward compatibility with MySQL 5.0
---
log tables cleanup
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since /tmp is used as the directory. It does not always
exist so let's use one that always exists MYSQLTEST_VARDIR
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tests on a single machine) to use $MYSQLTEST_VARDIR/tmp instead.
mysql-test/r/log_state.result:
Fix hardcoded /tmp/ path.
mysql-test/t/log_state.test:
Fix hardcoded /tmp/ path.
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mysql-test/r/log_state.result:
result fix(to satisfy Win)
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Added slow_query_log & general_log global upadatable variables.
Added slow-query-log & general-log startup options.
Added log_output, general_log_file, slow_query_log_file global updatable variables.
mysql-test/r/show_check.result:
WL#3015: Logging Improvements - No Restarts
result fix
sql/log.cc:
WL#3015: Logging Improvements - No Restarts
added methods to LOGGER class
void deactivate_log_handlers(THD* thd, uint log_type);
bool activate_log_handlers(THD* thd, uint log_type);
added methods to Log_to_file_event_handler:
TABLE_LIST *get_mysql_slow_log()
TABLE_LIST *get_mysql_log()
sql/log.h:
WL#3015: Logging Improvements - No Restarts
added methods to LOGGER class
void deactivate_log_handlers(THD* thd, uint log_type);
bool activate_log_handlers(THD* thd, uint log_type);
added methods to Log_to_file_event_handler:
TABLE_LIST *get_mysql_slow_log()
TABLE_LIST *get_mysql_log()
sql/mysql_priv.h:
WL#3015: Logging Improvements - No Restarts
sql/mysqld.cc:
WL#3015: Logging Improvements - No Restarts
added 'slow-query-log' & 'general-log' options
sql/set_var.cc:
WL#3015: Logging Improvements - No Restarts
added 'slow_query_log' & 'general_log' updatable variables
added 'log_output', 'general_log_file', 'slow_query_log_file' updatable variables
sql/set_var.h:
WL#3015: Logging Improvements - No Restarts
new class sys_var_log_state
new class sys_var_log_output
sql/share/errmsg.txt:
WL#3015: Logging Improvements - No Restarts
added error message
sql/sql_delete.cc:
WL#3015: Logging Improvements - No Restarts
'truncate table slow_log|general', keep status of logs
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