database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-29 05:21:33 +03:00
Code Activity

MDEV-8010 - Avoid sql_alloc() in Items (Patch #1)

Browse Source 
Added mandatory thd parameter to Item (and all derivative classes) constructor.
Added thd parameter to all routines that may create items.
Also removed "current_thd" from Item::Item. This reduced number of
pthread_getspecific() calls from 290 to 177 per OLTP RO transaction.
This commit is contained in:
Sergey Vojtovich
2015-08-11 11:18:38 +04:00
parent 4374da63f0
commit 31e365efae
71 changed files with 2724 additions and 2474 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
sql/sql_acl.cc
View File

@ -7788,7 +7788,7 @@ bool mysql_show_grants(THD *thd, LEX_USER *lex_user)
}
DBUG_ASSERT(rolename || username);
Item_string *field=new Item_string_ascii("", 0);
Item_string *field=new Item_string_ascii(thd, "", 0);
List<Item> field_list;
field->name=buff;
field->max_length=1024;