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Merge bk-internal.mysql.com:/home/bk/mysql-5.1-engines
into chilla.local:/home/mydev/mysql-5.1-wl2936-two client/mysql.cc: Auto merged client/mysqltest.c: Auto merged include/my_global.h: Auto merged include/my_sys.h: Auto merged mysql-test/lib/mtr_cases.pl: Auto merged mysql-test/mysql-test-run.pl: Auto merged mysql-test/r/ndb_dd_basic.result: Auto merged mysql-test/r/variables.result: Auto merged mysql-test/t/ndb_dd_basic.test: Auto merged mysql-test/t/variables.test: Auto merged mysys/hash.c: Auto merged sql/event_queue.cc: Auto merged sql/ha_ndbcluster.cc: Auto merged sql/ha_partition.cc: Auto merged sql/handler.cc: Auto merged sql/item_func.cc: Auto merged sql/item_sum.cc: Auto merged sql/log.cc: Auto merged sql/mysql_priv.h: Auto merged sql/mysqld.cc: Auto merged sql/opt_range.cc: Auto merged sql/set_var.cc: Auto merged sql/sql_base.cc: Auto merged sql/sql_cache.cc: Auto merged sql/sql_class.cc: Auto merged sql/sql_class.h: Auto merged sql/sql_connect.cc: Auto merged sql/sql_delete.cc: Auto merged sql/sql_insert.cc: Auto merged sql/sql_lex.cc: Auto merged sql/sql_lex.h: Auto merged sql/sql_parse.cc: Auto merged sql/sql_plugin.cc: Auto merged sql/sql_repl.cc: Auto merged sql/sql_select.cc: Auto merged sql/sql_show.cc: Auto merged sql/sql_table.cc: Auto merged sql/sql_yacc.yy: Auto merged sql/structs.h: Auto merged sql/table.cc: Auto merged storage/innobase/handler/ha_innodb.cc: Auto merged storage/innobase/handler/ha_innodb.h: Auto merged include/typelib.h: WL#2936 - Falcon & MySQL plugin interface: server variables Manual merge mysys/typelib.c: WL#2936 - Falcon & MySQL plugin interface: server variables Manual merge
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@ -182,6 +182,20 @@ class Time_zone;
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struct system_variables
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{
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/*
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How dynamically allocated system variables are handled:
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The global_system_variables and max_system_variables are "authoritative"
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They both should have the same 'version' and 'size'.
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When attempting to access a dynamic variable, if the session version
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is out of date, then the session version is updated and realloced if
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neccessary and bytes copied from global to make up for missing data.
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*/
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ulong dynamic_variables_version;
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char* dynamic_variables_ptr;
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uint dynamic_variables_head; /* largest valid variable offset */
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uint dynamic_variables_size; /* how many bytes are in use */
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ulonglong myisam_max_extra_sort_file_size;
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ulonglong myisam_max_sort_file_size;
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ulonglong max_heap_table_size;
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@ -252,8 +266,6 @@ struct system_variables
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my_bool old_mode;
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my_bool query_cache_wlock_invalidate;
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my_bool engine_condition_pushdown;
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my_bool innodb_table_locks;
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my_bool innodb_support_xa;
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my_bool ndb_force_send;
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my_bool ndb_use_copying_alter_table;
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my_bool ndb_use_exact_count;
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@ -263,7 +275,7 @@ struct system_variables
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my_bool old_alter_table;
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my_bool old_passwords;
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handlerton *table_type;
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plugin_ref table_plugin;
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/* Only charset part of these variables is sensible */
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CHARSET_INFO *character_set_filesystem;
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