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Support for variables with components

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Added framework to create/drop and manager buffers for multiple key caches
This commit is contained in:
monty@mashka.mysql.fi
2003-07-06 19:09:57 +03:00
parent bad00c38df
commit ebcc7b5a4f
42 changed files with 572 additions and 127 deletions
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5
sql/sql_show.cc
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@ -1527,12 +1527,14 @@ int mysqld_show(THD *thd, const char *wild, show_var_st *variables,
char buff[1024];
List<Item> field_list;
Protocol *protocol= thd->protocol;
LEX_STRING null_lex_str;
DBUG_ENTER("mysqld_show");
field_list.push_back(new Item_empty_string("Variable_name",30));
field_list.push_back(new Item_empty_string("Value",256));
if (protocol->send_fields(&field_list,1))
DBUG_RETURN(1); /* purecov: inspected */
null_lex_str.str= 0; // For sys_var->value_ptr()
/* pthread_mutex_lock(&THR_LOCK_keycache); */
pthread_mutex_lock(&LOCK_status);
@ -1551,7 +1553,8 @@ int mysqld_show(THD *thd, const char *wild, show_var_st *variables,
if (show_type == SHOW_SYS)
{
show_type= ((sys_var*) value)->type();
value= (char*) ((sys_var*) value)->value_ptr(thd, value_type);
value= (char*) ((sys_var*) value)->value_ptr(thd, value_type,
&null_lex_str);
}
pos= end= buff;