database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-29 05:21:33 +03:00
Code Activity

Fixed a crash in compare_window_frames().

Browse Source 
The function did not take into account the case when only one of
of the pointers to the compared frames is NULL.
This commit is contained in:
Igor Babaev
2016-03-30 12:43:57 -07:00
parent 2078392cc9
commit c9ff5cfbfd
1 changed files with 6 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
sql/sql_window.cc
View File

@ -319,6 +319,12 @@ int compare_window_frames(Window_frame *win_frame1,
if (win_frame1 == win_frame2) if (win_frame1 == win_frame2)
return 0; return 0;
if (!win_frame1)
return 2;
if (!win_frame2)
return -2;
if (win_frame1->units != win_frame2->units) if (win_frame1->units != win_frame2->units)
return win_frame1->units > win_frame2->units ? -2 : 2; return win_frame1->units > win_frame2->units ? -2 : 2;