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Code cleanup.

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This commit is contained in:
Sergey Petrunya 2013-10-15 00:30:32 +04:00
parent 105e3ae6c9
commit 1ec399ce03
1 changed files with 0 additions and 23 deletions
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23
sql/sql_lex.cc
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@ -4250,29 +4250,6 @@ int st_select_lex_unit::save_union_explain(Explain_query *output)
SELECT_LEX *first= first_select();
Explain_union *eu= new (output->mem_root) Explain_union;
/*
TODO: The following code should be eliminated. If we have a capability to
save Query Plan Footprints, we should just save them, and never need to
print "query plan already deleted".
*/
if (first && !first->next_select() && !first->join)
{
/*
If there is only one child, 'first', and it has join==NULL, emit "not in
EXPLAIN state" error.
*/
const char *msg="Query plan already deleted";
first->set_explain_type(TRUE/* on_the_fly */);
Explain_select *explain= new (output->mem_root)Explain_select;
explain->select_id= first->select_number;
explain->select_type= first->type;
explain->message= msg;
output->add_node(explain);
eu->add_select(explain->select_id);
return 0;
}
for (SELECT_LEX *sl= first; sl; sl= sl->next_select())
eu->add_select(sl->select_number);