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Fixed a problem with setting wrong flags for ordering in the code

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of compare_window_funcs_by_window_specs().
This commit is contained in:
Igor Babaev
2016-04-04 15:24:27 -07:00
parent 960b221c0b
commit e30bd913ae
1 changed files with 6 additions and 1 deletions
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7
sql/sql_window.cc
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@ -466,7 +466,12 @@ void order_window_funcs_by_window_specs(List<Item_window_func> *win_func_list)
if (!(win_spec_prev->partition_list == win_spec_curr->partition_list &&
win_spec_prev->order_list == win_spec_curr->order_list))
{
int cmp= compare_window_spec_joined_lists(win_spec_prev, win_spec_curr);
int cmp;
if (win_spec_prev->partition_list == win_spec_curr->partition_list)
cmp= compare_order_lists(win_spec_prev->order_list,
win_spec_curr->order_list);
else
cmp= compare_window_spec_joined_lists(win_spec_prev, win_spec_curr);
if (!(CMP_LT_C <= cmp && cmp <= CMP_GT_C))
{
curr->marker= SORTORDER_CHANGE_FLAG |