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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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8
sql/sql_update.cc
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@@ -500,7 +500,7 @@ int mysql_update(THD *thd,
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();
apc_target_enabled= true;
DBUG_EXECUTE_IF("show_explain_probe_update_exec_start",
@@ -1031,7 +1031,7 @@ err:
exit_without_my_ok:
DBUG_ASSERT(!apc_target_enabled);
query_plan.save_qpf(thd->lex->query_plan_footprint);
query_plan.save_explain_data(thd->lex->explain);
select_send *result;
if (!(result= new select_send()))
@@ -1039,7 +1039,7 @@ exit_without_my_ok:
List<Item> dummy; /* note: looked in 5.6 and they too use a dummy list like this */
result->prepare(dummy, &thd->lex->unit);
thd->send_explain_fields(result);
int err2= thd->lex->query_plan_footprint->print_explain(result,
int err2= thd->lex->explain->print_explain(result,
thd->lex->describe);
if (err2)
result->abort_result_set();
@@ -1518,7 +1518,7 @@ bool mysql_multi_update(THD *thd,
{
if (explain)
{
thd->lex->query_plan_footprint->print_explain(output, thd->lex->describe);
thd->lex->explain->print_explain(output, thd->lex->describe);
output->send_eof();
delete output;
}