| commit | 876ba8faec0fc7d04072cc5f6fd4e33d3c25042e | |
| author | Tim Hunt <T.J.Hunt@open.ac.uk> | |
| Fri, 18 Jan 2013 16:43:48 +0000 (18 16:43 +0000) | ||
| committer | Tim Hunt <T.J.Hunt@open.ac.uk> | |
| Mon, 21 Jan 2013 13:23:27 +0000 (21 13:23 +0000) | ||
| tree | 0bf92788a3cb24d79f40c381b66f3e5488e19e75 | treesnapshot (tar.gz zip) |
| parent | 7def53379b5d4d82e2c52f687d288e74c7a3bce9 | commitdiff |
MDL-37577 quiz overdue handling: optimise database query
This is the standard trick of adding a redundant WHERE clause to a
subquery to help the database realise that it does not have to inspect
so many rows.
This is the standard trick of adding a redundant WHERE clause to a
subquery to help the database realise that it does not have to inspect
so many rows.
| mod/quiz/cronlib.php | diffblobblamehistory | |
| mod/quiz/locallib.php | diffblobblamehistory |