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Re: Return bool from query

Posted by Jerry Stuckle on 10/13/49 11:39

frizzle wrote:
> pjSoni wrote:
>
>>Hi
>>
>>Try to do like when admin enters article he should enter <SPLIT> tag
>>from where you want break with article so when you read from db try to
>>split from split tag.
>>
>>Regards,
>>Jatin
>
>
> Thanks all for the replies.
> I understand what bobzimuta and pjSoni are saying with the intro thing,
> but i need two different fields, so the intro in the fulltext can
> differ from just te intro.
>
> I think i'll go with Jerry's: SELECT COUNT(id) FROM texttable WHERE
> id=1;
> But the id of the fulltext would have to match the exact id of the
> record with intro and other info?
> Would it matter if i added LIMIT 1 to it, so the DB won't go on?
>
> How careful should i be asigning extra indexes? I read somewhere, that
> if i asign indexes to fields that aren't going te be updated a lot,
> it's not bad, otherwise it would take a lot of time ...
>
> And now i also have second thoughts about my field in the topic records
> with the number of replies.
> It goes against normalization, but i thought it would save a lot of
> calculating time ...
>
> Frizzle.
>

Yes, it has to match the key of the other table. It would also the
primary key of that entry. Being a primary key, it would be unique.

Also, if your use INNODB tables you can make it a foreign key
referencing the other table.

You shouldn't need to add LIMIT 1 to the query because you have a unique
index on the field. MySQL should be able to fetch everything it needs
from the index (which, unlike the table, is in order).

--
==================
Remove the "x" from my email address
Jerry Stuckle
JDS Computer Training Corp.
jstucklex@attglobal.net
==================

 

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