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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
parent 8345bc6921
commit b22959903b
18 changed files with 149 additions and 127 deletions
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12
sql/sql_insert.cc
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@ -3348,15 +3348,17 @@ bool mysql_insert_select_prepare(THD *thd)
}
select_insert::select_insert(TABLE_LIST *table_list_par, TABLE *table_par,
select_insert::select_insert(THD *thd_arg, TABLE_LIST *table_list_par,
TABLE *table_par,
List<Item> *fields_par,
List<Item> *update_fields,
List<Item> *update_values,
enum_duplicates duplic,
bool ignore_check_option_errors)
:table_list(table_list_par), table(table_par), fields(fields_par),
autoinc_value_of_last_inserted_row(0),
insert_into_view(table_list_par && table_list_par->view != 0)
bool ignore_check_option_errors):
select_result_interceptor(thd_arg),
table_list(table_list_par), table(table_par), fields(fields_par),
autoinc_value_of_last_inserted_row(0),
insert_into_view(table_list_par && table_list_par->view != 0)
{
bzero((char*) &info,sizeof(info));
info.handle_duplicates= duplic;