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MDEV-3798: EXPLAIN UPDATE/DELETE

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- Address review feedback: rename nearly any name used by the new EXPLAIN code.
This commit is contained in:
Sergey Petrunya
2013-10-05 09:58:22 +04:00
parent f5fba6564b
commit fedf769f0b
19 changed files with 273 additions and 289 deletions
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16
sql/sql_delete.cc
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@ -51,7 +51,7 @@
invoked on a running DELETE statement.
*/
void Delete_plan::save_qpf(QPF_query *query)
void Delete_plan::save_explain_data(Explain_query *query)
{
QPF_delete* qpf= new QPF_delete;
@ -63,22 +63,22 @@ void Delete_plan::save_qpf(QPF_query *query)
else
{
qpf->deleting_all_rows= false;
Update_plan::save_qpf_intern(query, qpf);
Update_plan::save_explain_data_intern(query, qpf);
}
query->upd_del_plan= qpf;
}
void Update_plan::save_qpf(QPF_query *query)
void Update_plan::save_explain_data(Explain_query *query)
{
QPF_update* qpf= new QPF_update;
save_qpf_intern(query, qpf);
save_explain_data_intern(query, qpf);
query->upd_del_plan= qpf;
}
void Update_plan::save_qpf_intern(QPF_query *query, QPF_update *qpf)
void Update_plan::save_explain_data_intern(Explain_query *query, QPF_update *qpf)
{
qpf->select_type= "SIMPLE";
qpf->table_name.append(table->pos_in_table_list->alias);
@ -434,7 +434,7 @@ bool mysql_delete(THD *thd, TABLE_LIST *table_list, COND *conds,
if (thd->lex->describe)
goto exit_without_my_ok;
query_plan.save_qpf(thd->lex->query_plan_footprint);
query_plan.save_explain_data(thd->lex->explain);
thd->apc_target.enable();
DBUG_EXECUTE_IF("show_explain_probe_delete_exec_start",
@ -667,7 +667,7 @@ cleanup:
/* Special exits */
exit_without_my_ok:
query_plan.save_qpf(thd->lex->query_plan_footprint);
query_plan.save_explain_data(thd->lex->explain);
select_send *result2;
if (!(result2= new select_send()))
@ -675,7 +675,7 @@ exit_without_my_ok:
List<Item> dummy; /* note: looked in 5.6 and they too use a dummy list like this */
result2->prepare(dummy, &thd->lex->unit);
thd->send_explain_fields(result2);
int err2= thd->lex->query_plan_footprint->print_explain(result2, thd->lex->describe);
int err2= thd->lex->explain->print_explain(result2, thd->lex->describe);
if (err2)
result2->abort_result_set();