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MDEV-7943 - pthread_getspecific() takes 0.76% in OLTP RO

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Added THD argument to select_result and all derivative classes.
This reduces number of pthread_getspecific calls from 796 to 776 per OLTP RO
transaction.
This commit is contained in:
Sergey Vojtovich 2015-04-22 13:29:56 +04:00
commit b22959903b
18 changed files with 149 additions and 127 deletions
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4
sql/sql_delete.cc
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@ -901,8 +901,8 @@ int mysql_multi_delete_prepare(THD *thd)
}
multi_delete::multi_delete(TABLE_LIST *dt, uint num_of_tables_arg)
: delete_tables(dt), deleted(0), found(0),
multi_delete::multi_delete(THD *thd_arg, TABLE_LIST *dt, uint num_of_tables_arg):
select_result_interceptor(thd_arg), delete_tables(dt), deleted(0), found(0),
num_of_tables(num_of_tables_arg), error(0),
do_delete(0), transactional_tables(0), normal_tables(0), error_handled(0)
{