Re: [Maria-developers] [Fwd: [Commits] Rev 2998: Fixed LP bug #639935 (bug #58727). in file:///home/igor/maria/maria-5.1-bug693935/]
Hi! 24 Dec 2010, в 06:45, Igor Babaev написал(а):
Sanja,
Please review this fix ASAP. We need it to move on with 5.3
The patch is OK, but I would prefer to have comment before Item::quick_fix_field() that this method is only for optimizer needs, it can be used only for certain Items controlled by optimizer and maybe add that only Item_func_* need recursion for this. But you could write comments much better then I so it is up to you how write the comment.
Regards. Igor.
-------- Original Message -------- Subject: [Commits] Rev 2998: Fixed LP bug #639935 (bug #58727). in file:///home/igor/maria/maria-5.1-bug693935/ Date: Fri, 24 Dec 2010 06:42:05 +0200 (EET) From:
Reply-To: maria-developers@lists.launchpad.net To: At file:///home/igor/maria/maria-5.1-bug693935/
------------------------------------------------------------ revno: 2998 revision-id: igor@askmonty.org-20101224044150-p9yja1e87riwjh7g parent: monty@askmonty.org-20101221172350-wqtf0t6evpc0un4b committer: Igor Babaev
branch nick: maria-5.1-bug693935 timestamp: Thu 2010-12-23 20:41:50 -0800 message: Fixed LP bug #639935 (bug #58727). When the optimizer creates items out of other items it does not have to call the fix_fields method. Usually in these cases it calls quick_fix_field() that just marks the created item as fixed. If the created item is an Item_func object then calling quick_fix_field() works fine if the arguments of the created functional item are already fixed. Otherwise some unfixed nodes remain in the item tree and it triggers an assertion failure whenever the item is evaluated. Fixed the problem by making the method quick_fix_field virtual and providing an implementation for the class Item_func objects that recursively calls the method for unfixed arguments of any functional item.
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Oleksandr Byelkin