mirror/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-01-31 02:51:44 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

Bug#10473 - Can't set 'key_buffer_size' system variable to ZERO

Browse source 
Give the user a warning if he tries to destroy the default key cache.
This commit is contained in:
ingo@mysql.com 2005-08-07 20:39:17 +02:00
parent b76cea46e9
commit 1147e00274
4 changed files with 21 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
mysql-test/r/key_cache.result
View file

@ -289,3 +289,9 @@ check table t1;
Table Op Msg_type Msg_text
test.t1 check status OK
drop table t1;
set @@global.key_buffer_size=0;
Warnings:
Warning 1438 Cannot drop default keycache
select @@global.key_buffer_size;
@@global.key_buffer_size
2097152

7
mysql-test/t/key_cache.test
View file

@ -168,4 +168,11 @@ check table t1;
drop table t1;
#
# Bug#10473 - Can't set 'key_buffer_size' system variable to ZERO
# (One cannot drop the default key cache.)
#
set @@global.key_buffer_size=0;
select @@global.key_buffer_size;
# End of 4.1 tests

5
sql/set_var.cc
View file

@ -2293,7 +2293,12 @@ bool sys_var_key_buffer_size::update(THD *thd, set_var *var)
if (!tmp) // Zero size means delete
{
if (key_cache == dflt_key_cache)
{
push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN,
ER_WARN_CANT_DROP_DEFAULT_KEYCACHE,
ER(ER_WARN_CANT_DROP_DEFAULT_KEYCACHE));
goto end; // Ignore default key cache
}
if (key_cache->key_cache_inited) // If initied
{

3
sql/share/errmsg.txt
View file

@ -5388,3 +5388,6 @@ ER_STACK_OVERRUN_NEED_MORE
eng "Thread stack overrun: %ld bytes used of a %ld byte stack, and %ld bytes needed. Use 'mysqld -O thread_stack=#' to specify a bigger stack."
ER_TOO_LONG_BODY 42000 S1009
eng "Routine body for '%-.100s' is too long"
ER_WARN_CANT_DROP_DEFAULT_KEYCACHE
eng "Cannot drop default keycache"
ger "Der Default-Keycache kann nicht gelöscht werden"