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Merge bk-internal.mysql.com:/home/bk/mysql-5.1-engines

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into  chilla.local:/home/mydev/mysql-5.1-wl2936-two
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istruewing@chilla.local
2007-04-27 19:09:39 +02:00
parent 21087b05d2 31c1a1c9c3
commit e327818c28
79 changed files with 5306 additions and 2663 deletions
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18
sql/sql_class.h
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@ -182,6 +182,20 @@ class Time_zone;
struct system_variables
{
/*
How dynamically allocated system variables are handled:
The global_system_variables and max_system_variables are "authoritative"
They both should have the same 'version' and 'size'.
When attempting to access a dynamic variable, if the session version
is out of date, then the session version is updated and realloced if
neccessary and bytes copied from global to make up for missing data.
*/
ulong dynamic_variables_version;
char* dynamic_variables_ptr;
uint dynamic_variables_head; /* largest valid variable offset */
uint dynamic_variables_size; /* how many bytes are in use */
ulonglong myisam_max_extra_sort_file_size;
ulonglong myisam_max_sort_file_size;
ulonglong max_heap_table_size;
@ -252,8 +266,6 @@ struct system_variables
my_bool old_mode;
my_bool query_cache_wlock_invalidate;
my_bool engine_condition_pushdown;
my_bool innodb_table_locks;
my_bool innodb_support_xa;
my_bool ndb_force_send;
my_bool ndb_use_copying_alter_table;
my_bool ndb_use_exact_count;
@ -263,7 +275,7 @@ struct system_variables
my_bool old_alter_table;
my_bool old_passwords;
handlerton *table_type;
plugin_ref table_plugin;
/* Only charset part of these variables is sensible */
CHARSET_INFO *character_set_filesystem;