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MDEV-4022 table attributes with sysvar as a default value

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This commit is contained in:
Sergei Golubchik
2013-04-09 23:27:24 +02:00
parent 7d3288129f
commit 5f293dd694
11 changed files with 265 additions and 46 deletions
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21
sql/sql_plugin.cc
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@ -308,8 +308,6 @@ static void unlock_variables(THD *thd, struct system_variables *vars);
static void cleanup_variables(THD *thd, struct system_variables *vars);
static void plugin_vars_free_values(sys_var *vars);
static void restore_pluginvar_names(sys_var *first);
static void plugin_opt_set_limits(struct my_option *,
const struct st_mysql_sys_var *);
static plugin_ref intern_plugin_lock(LEX *lex, plugin_ref plugin);
static void intern_plugin_unlock(LEX *lex, plugin_ref plugin);
static void reap_plugins(void);
@ -3286,8 +3284,8 @@ bool sys_var_pluginvar::global_update(THD *thd, set_var *var)
options->block_size= (long) (opt)->blk_sz
static void plugin_opt_set_limits(struct my_option *options,
const struct st_mysql_sys_var *opt)
void plugin_opt_set_limits(struct my_option *options,
const struct st_mysql_sys_var *opt)
{
options->sub_size= 0;
@ -3866,3 +3864,18 @@ void add_plugin_options(DYNAMIC_ARRAY *options, MEM_ROOT *mem_root)
}
}
/**
Returns a sys_var corresponding to a particular MYSQL_SYSVAR(...)
*/
sys_var *find_plugin_sysvar(st_plugin_int *plugin, st_mysql_sys_var *plugin_var)
{
for (sys_var *var= plugin->system_vars; var; var= var->next)
{
sys_var_pluginvar *pvar=var->cast_pluginvar();
if (pvar->plugin_var == plugin_var)
return var;
}
return 0;
}