Re: Search by "AND"....
| From: | Joe Stump | Date: | Wed, 13 Dec 2000 07:13:48 +0000 |
| Subject: | Re: Search by "AND".... | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-30053@lists.php.net to get a copy of this message | ||
The easiest way would be to download my searching class, run a few scripts,
and use it :O)
http://www.miester.org/software - it's called
Miester Search any you can see
my site using it. It has support for multiple tables, boolean ANDS (OR's will
work, but aren't used - Google doesn't use them...)
--Joe
On Wed, Dec 13, 2000 at 03:13:47PM +0800, Koo wrote:
> I got two typical MySQL tables for fulltext search:
>
> table1 table2
> ------ ------
> wordID wordID
> itemID word
>
> where "word" holds all words
> ------------------------------------------------------
> When I try to query the database for any items with
> EITHER wordA OR wordB, I do the following:
>
> mysql> select itemID from table1,table2
> where table1.wordID=table2.wordID
> and (word like '%wordA%' or word like '%wordB%');
>
> It works.
>
> But when I want query for any items which contain BOTH
> wordA AND wordB, the following query always outputs 0 rows.
>
> mysql> select itemID from table1,table2
> where table1.wordID=table2.wordID
> and (word like '%wordA%' and word like '%wordB%');
>
> Why? And what's the simplest way to accomplish my task?
>
> Many thanks.
>
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---
Joe Stump
PHP Programmer
www.Care2.com