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Encapsulate the switching between different return values in Item_window_func

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This commit is contained in:
Sergei Petrunia
2016-03-24 02:57:03 +03:00
parent 722f1b2dcc
commit 39d3cdbf22
3 changed files with 29 additions and 17 deletions
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4
sql/sql_window.cc
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@ -1590,7 +1590,7 @@ bool JOIN::process_window_functions(List<Item> *curr_fields_list)
if (item->type() == Item::WINDOW_FUNC_ITEM)
{
Item_window_func *item_win = (Item_window_func *) item;
item_win->force_return_blank= false;
item_win->set_phase_to_computation();
Window_spec *spec = item_win->window_spec;
/*
The sorting criteria should be
@ -1663,7 +1663,7 @@ bool JOIN::process_window_functions(List<Item> *curr_fields_list)
DBUG_ASSERT(0);
}
item_win->set_read_value_from_result_field();
item_win->set_phase_to_retrieval();
/* This calls filesort_free_buffers(): */
end_read_record(&info);