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died.
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include/mysql_com.h:
remove "shutdown levels" that aren't shutdown levels from mysql_enum_shutdown_level
mysys/my_addr_resolve.c:
my_snprintf in 5.5 (but not in 5.3) supports %p
sql/item_func.cc:
use a method (that exists only in 5.5) instead of directly accessing a member
sql/item_subselect.cc:
use a method (that exists only in 5.5) instead of directly accessing a member
sql/opt_subselect.cc:
use a method (that exists only in 5.5) instead of directly accessing a member
sql/sql_select.cc:
use a method (that exists only in 5.5) instead of directly accessing a member
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- Use native memcmp() supplied with C runtime instead of hand-unrolled loop ptr_compare_N loop
Prior to fix ptr_compare_0() has 3.7% samples in OLTP-RO in-memory.
Fix brings this down to 1.8% (all memcmp samples)
- Innodb : fix UT_RELAX_CPU to be defined as YieldProcessor, as was also originally intended
(but intention was lost in the #ifdef maze
This reduces number of ut_delay() samples in profile from 1.5% to 0.5%
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records that we will never use.
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- Don't call update_virtual_fields() if table->vfield is not set
- Don't prealloc memory for in open_tables() as this is very seldom used.
sql/records.cc:
Don't call update_virtual_fields() if table->vfield is not set
sql/sql_base.cc:
Don't prealloc memory for in open_tables() as this is very seldom used.
Don't call update_virtual_fields() if table->vfield is not set
sql/sql_delete.cc:
Don't call update_virtual_fields() if table->vfield is not set
sql/sql_handler.cc:
Don't call update_virtual_fields() if table->vfield is not set
sql/sql_join_cache.cc:
Don't call update_virtual_fields() if table->vfield is not set
Move some frequent values to local variables
sql/sql_table.cc:
Don't call update_virtual_fields() if table->vfield is not set
sql/sql_update.cc:
Don't call update_virtual_fields() if table->vfield is not set
sql/table.cc:
Assert if update_virtual_fields is called with wrong parameters
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- Remove all references of MAX_TABLES from JOIN struct and make these dynamic
- Updated Join_plan_state to allocate just as many elements as it's needed
sql/opt_subselect.cc:
Optimized version of Join_plan_state
sql/sql_select.cc:
Set join->positions and join->best_positions dynamicly
Don't call update_virtual_fields() if table->vfield is not set.
sql/sql_select.h:
Remove all references of MAX_TABLES from JOIN struct and Join_plan_state and make these dynamic
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- Optimize away calls to hp_rec_hashnr() by cashing hash
- Try to get more rows / block (to minimize overhead of HP_PTRS) in HEAP tables.
storage/heap/_check.c:
Optimize away calls to hp_rec_hashnr() by cashing hash.
Print cleanups
storage/heap/heapdef.h:
Added place to hold calculated hash value for row
storage/heap/hp_create.c:
Try to get more rows / block (to minimize overhead of HP_PTRS)
storage/heap/hp_delete.c:
Optimize away calls to hp_rec_hashnr() by cashing hash.
storage/heap/hp_hash.c:
Optimize away calls to hp_rec_hashnr() by cashing hash.
Remove some not needed DBUG_PRINT
storage/heap/hp_test2.c:
Increased max table size as now heap tables takes a bit more space (a few %)
storage/heap/hp_write.c:
Optimize away calls to hp_rec_hashnr() by cashing hash.
Remove duplicated code
More DBUG_PRINT
storage/maria/ma_create.c:
More DBUG_PRINT
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If the first component of a ref key happened to be a constant appeared
after constant row substitution then no store_key element should be
created for such a component. Yet create_ref_for_key() erroneously could
create such an element that caused construction of invalid ref keys and
wrong results for some joins.
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SELECT FROM I_S.INNODB_SYS_INDEXES and ALTER TABLE
Workaround: report a generic error if an I_S plugin failed silently.
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WriteFile() fails.
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use vsnprintf()
use write() on windows, not WriteFile or fwrite()
localtime_r is still a problem
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mark the corresponding I_S table as OPTIMIZE_I_S_TABLE, to let the I_S optimizer
figure out whether files need to be opened, and don't open the tables unless
I_S optimizer says so.
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with semijoin+materialization
- The problem was that convert_subq_to_jtbm() attached the semi-join
TABLE_LIST object into the wrong list: they used to attach it to the
end of parent_lex->leaf_tables.head()->next_local->...->next_local.
This was apparently inccorect, as one can construct an example where
JTBM nest is attached to a table that is inside some mergeable VIEW, which
breaks (causes crash) for name resolution on the subsequent statement
re-execution.
- Solution: Attach to the "right" list. The "wording" was copied from
st_select_lex::handle_derived.
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This bug in the constructor SEL_IMERGE::SEL_IMERGE could
cause huge excessive memory requests.
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- Take into account that there may exist Item_field objects with context==NULL.
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modified for MySQL 5.5. Logger service moved to the
plugin/sql_errlog directory to be properly used later.
plugin/sql_errlog/sql_errlog.c:
Fixes for bugs #956427 (SQL_ERROR_LOG plugin produces bogus warnings about sql-error-log-size-limit value) and #956463 (Server crashes if SQL_ERROR_LOG fails to initialize) they're also MDEV-184 and MDEV-183
The sql_error_log_deinit() should be prepared for the logger_file to be NULL.
The logger_file_size_limit upper limit wasn't properly set.
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it makes "./mtr --debug" unusable
revert the mysql fix for bug#46165.
implement shared FILE's with reference counting
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--help or alike
suppress these harmless but confusing warnings.
fix the program name (MY_INIT) in mysqldump
client/mysqldump.c:
for backward compatibility, prefix mysqldump error messages with "mysqldump", not with the full path of the executable
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small but noticable performance impact.
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Make the slave options --replicate-* dynamic variables so that these
options can be changed dynamically while the server is running,
which enables users to modify replication filtering rules without
having to stop and restart the server.
This is accomplished by just requiring that the slave threads are
stopped when these options are set dynamically. Since filtering
rules are only used by the SQL slave thread, setting them while the
thread is not running avoids the need for locking.
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until it is gone in processlist
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- Avoid needless load/stores in my_hash_sort_simple due to possible aliasing
- Avoid expensive Join_plan_state constructor in choose_subquery_plan when no subquery
- Avoid calling update_virtual_fields for every row when no virtual fields.
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in join_read_const_table on concurrent SELECT and ALTER, constant Aria table"
Remove Aria state history for drop/rename
mysql-test/suite/maria/r/maria-recovery2.result:
Updated old (wrong) test result
sql/handler.cc:
Fixed wrong argument to implict_commit
storage/maria/ha_maria.cc:
Ensure that we don't use file->trn if THD_TRN is 0. (This means that implict_commit() has been called and the trn object is not ours anymore)
storage/maria/ma_extra.c:
Remove Aria state history for drop/rename
storage/maria/ma_rename.c:
Remove Aria state history for rename
storage/maria/ma_state.c:
More DBUG_PRINT
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- Don't use SAFEMALLOC on valgrind builds (slows things down)
- Added back lost option from 5.3: debug-mutex-deadlock-detector
- Flush pages before taking lock mutex (speeds up closing of Aria tables).
BUILD/SETUP.sh:
- Don't use SAFEMALLOC on valgrind builds (slows things down)
sql/lock.cc:
Make default argument explicit (improves readability)
sql/mysqld.cc:
Removed compiler warnings
Sorted debug options alphabetically
Added back lost option from 5.3: debug-mutex-deadlock-detector
storage/maria/ma_close.c:
Flush pages before taking lock mutex (speeds up closing of Aria tables).
storage/maria/ma_open.c:
More DBUG_PRINT
storage/maria/maria_def.h:
Better DBUG_PRINT
storage/maria/trnman.c:
Better DBUG_PRINT
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This bug was introduced into mariadb 5.2 in the December 2010 with
the patch that added a new engine property: the ability to support
virtual columns.
As a result of this bug the information from frm files for tables
that contained virtual columns did not appear in the information schema
tables.
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ma_pagecache.c:3438: pagecache_read or table corruption on INSERT into a ucs2 table"
The orignal bug has been fixed earlier
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