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Fix post review comments regarding the usage of List<>.

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This commit is contained in:
Vicențiu Ciorbaru
2016-04-04 14:16:15 +03:00
parent 162ea7c0cf
commit 629f9feabe
1 changed files with 11 additions and 14 deletions
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25
sql/sql_window.cc
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@ -1527,13 +1527,11 @@ void add_extra_frame_cursors(List<Frame_cursor> *cursors,
}
}
List<Frame_cursor> get_window_func_required_cursors(
const Item_window_func* item_win)
void get_window_func_required_cursors(
List<Frame_cursor> *result, const Item_window_func* item_win)
{
List<Frame_cursor> result;
if (item_win->requires_partition_size())
result.push_back(new Frame_unbounded_following_set_count);
result->push_back(new Frame_unbounded_following_set_count);
/*
If it is not a regular window function that follows frame specifications,
@ -1541,17 +1539,15 @@ List<Frame_cursor> get_window_func_required_cursors(
*/
if (item_win->is_frame_prohibited())
{
add_extra_frame_cursors(&result, item_win->window_func());
return result;
add_extra_frame_cursors(result, item_win->window_func());
return;
}
/* A regular window function follows the frame specification. */
result.push_back(get_frame_cursor(item_win->window_spec->window_frame,
false));
result.push_back(get_frame_cursor(item_win->window_spec->window_frame,
true));
return result;
result->push_back(get_frame_cursor(item_win->window_spec->window_frame,
false));
result->push_back(get_frame_cursor(item_win->window_spec->window_frame,
true));
}
/*
@ -1600,7 +1596,8 @@ bool compute_window_func_with_frames(Item_window_func *item_win,
/* This algorithm doesn't support DISTINCT aggregator */
sum_func->set_aggregator(Aggregator::SIMPLE_AGGREGATOR);
List<Frame_cursor> cursors= get_window_func_required_cursors(item_win);
List<Frame_cursor> cursors;
get_window_func_required_cursors(&cursors, item_win);
List_iterator_fast<Frame_cursor> it(cursors);
Frame_cursor *c;