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Remove unneeded comments

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This commit is contained in:
Sergey Petrunya 2012-10-06 11:10:59 +04:00
parent b988331b71
commit 850fb90177
1 changed files with 1 additions and 9 deletions
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10
sql/sql_select.cc
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@ -19038,14 +19038,6 @@ create_sort_index(THD *thd, JOIN *join, ORDER *order,
/* Currently ORDER BY ... LIMIT is not supported in subqueries. */ /* Currently ORDER BY ... LIMIT is not supported in subqueries. */
DBUG_ASSERT(join->group_list || !join->is_in_subquery()); DBUG_ASSERT(join->group_list || !join->is_in_subquery());
/*
If we have a select->quick object that is created outside of
create_sort_index() and this is part of a subquery that
potentially can be executed multiple times then we should not
delete the quick object on exit from this function.
*/
//bool keep_quick= select && select->quick && join->join_tab_save;
/* /*
When there is SQL_BIG_RESULT do not sort using index for GROUP BY, When there is SQL_BIG_RESULT do not sort using index for GROUP BY,
and thus force sorting on disk unless a group min-max optimization and thus force sorting on disk unless a group min-max optimization
@ -19097,7 +19089,6 @@ create_sort_index(THD *thd, JOIN *join, ORDER *order,
get_quick_select_for_ref(thd, table, &tab->ref, get_quick_select_for_ref(thd, table, &tab->ref,
tab->found_records)))) tab->found_records))))
goto err; goto err;
//DBUG_ASSERT(!keep_quick);//psergey-post-merge-check
quick_created= TRUE; quick_created= TRUE;
} }
} }
@ -19145,6 +19136,7 @@ create_sort_index(THD *thd, JOIN *join, ORDER *order,
/*TODO: here, close the index scan, cancel index-only read. */ /*TODO: here, close the index scan, cancel index-only read. */
tab->records= table->sort.found_records; // For SQL_CALC_ROWS tab->records= table->sort.found_records; // For SQL_CALC_ROWS
#if 0 #if 0
/* MariaDB doesn't need the following: */
if (select) if (select)
{ {
/* /*