Re: A MySQL Question
| From: | Micah Gersten | Date: | Tue, 09 Dec 2008 01:46:24 +0000 |
| Subject: | Re: A MySQL Question | ||
| References: | 1 2 3 4 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-284336@lists.php.net to get a copy of this message | ||
Robert Cummings wrote:
> On Tue, 2008-12-09 at 00:16 +0000, Nathan Rixham wrote:
>
>> Ashley Sheridan wrote:
>>
>>> On Mon, 2008-12-08 at 23:23 +0000, ceo@l-i-e.com wrote:
>>>
>>>> Presumable, the EXISTS sub-query can be optimized sometimes to just stop processing
>>>> the sub-query and kick things back out to the outer query.
>>>>
>>>>
>>>>
>>>> IN has to process them all and find them all.
>>>>
>>>>
>>>>
>>>>
>>> Don't forget the special case use as well:
>>>
>>> IF NOT EXISTS
universe THEN bigbang()
>>>
>>>
>>> Ash
>>> www.ashleysheridan.co.uk
>>>
>>>
>> any chance of writing the implementation of that bigbang() function?
>>
>
> If nothing exists and a universe is created via a big bang... does it
> make a sound? Can we realistically call it a big bang if it doesn't make
> a sound? Couldn't we call it the big light show? But then again... if
> nothing exists and a universe is created via a big light show... does it
> matter? Can it be perceived? Is this just a proverbial pandrödinger's
> box? You can't implement the bigbang() function if you don't exist.
>
> Cheers,
> Rob.
>
The function doesn't say who's doing the creating, it just checks for
the existence of the universe.
Thank you,
Micah Gersten
onShore Networks
Internal Developer
http://www.onshore.com