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Remove acquisition of LOCK_open around file system operations, since such operations are now protected by metadata locks. Rework table discovery algorithm to not require LOCK_open. No new tests added since all MDL locking operations are covered in lock.test and mdl_sync.test, and as long as these tests pass despite the increased concurrency, consistency must be unaffected. mysql-test/t/disabled.def: Disable NDB tests due to Bug#55799. sql/datadict.cc: No longer necessary to protect ha_create_table() with LOCK_open. Serial execution is now ensured by metadata locks. sql/ha_ndbcluster.cc: Do not manipulate with LOCK_open in cluster code. sql/ha_ndbcluster_binlog.cc: Do not manipulate with LOCK_open in cluster code. sql/ha_ndbcluster_binlog.h: Update function signature. sql/handler.cc: Implement ha_check_if_table_exists(). @todo: some engines provide ha_table_exists_in_engine() handlerton call, for those we perhaps shouldn't call ha_discover(), to be more efficient. Since currently it's only NDB, postpone till integration with NDB. sql/handler.h: Declare ha_check_if_table_exists() function. sql/mdl.cc: Remove an obsolete comment. sql/sql_base.cc: Update to a new signature of close_cached_tables(): from now on we always call it without LOCK_open. Update comments. Remove get_table_share_with_create(), we should not attempt to create a table under LOCK_open. Introduce get_table_share_with_discover() instead, which would request a back off action if the table exists in engine. Remove acquisition of LOCK_open for data dictionary operations, such as check_if_table_exists(). Do not use get_table_share_with_create/discover for views, where it's not needed. Make tdc_remove_table() optionally acquire LOCK_open to simplify usage of this function. Use the right mutex in the partitioning code when manipulating with thd->open_tables. sql/sql_base.h: Update signatures of changes functions. sql/sql_insert.cc: Do not wrap quick_rm_table() with LOCK_open acquisition, this is unnecessary. sql/sql_parse.cc: Update to the new calling convention of tdc_remove_table(). Update to the new signature of close_cached_tables(). Update comments. sql/sql_rename.cc: Update to the new calling convention of tdc_remove_table(). Remove acquisition of LOCK_open around filesystem operations. sql/sql_show.cc: Remove get_trigger_table_impl(). Do not acquire LOCK_open for a dirty read of the trigger file. sql/sql_table.cc: Do not acquire LOCK_open for filesystem operations. sql/sql_trigger.cc: Do not require LOCK_open for trigger file I/O. sql/sql_truncate.cc: Update to the new signature of tdc_remove_table(). sql/sql_view.cc: Do not require LOCK_open for view I/O. Use tdc_remove_table() to expel view share. Update comments. sql/sys_vars.cc: Update to the new signature of close_cached_tables().
20 lines
1.1 KiB
Modula-2
20 lines
1.1 KiB
Modula-2
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kill : Bug#37780 2008-12-03 HHunger need some changes to be robust enough for pushbuild.
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lowercase_table3 : Bug#54845 2010-06-30 alik main.lowercase_table3 on Mac OSX
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mysqlhotcopy_myisam : bug#54129 2010-06-04 Horst
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mysqlhotcopy_archive : bug#54129 2010-06-04 Horst
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plugin_load : Bug#42144 2009-12-21 alik plugin_load fails
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partition_innodb_plugin : Bug#53307 2010-04-30 VasilDimov valgrind warnings
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query_cache_28249 : Bug#43861 2009-03-25 main.query_cache_28249 fails sporadically
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sp_sync : Bug#48157 2010-02-06 5.5-m3 demands a differnt solution
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ctype_utf8mb4_ndb : Bug#55799, Bug#51907, disabled by Konstantin 2010-08-06
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