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Query on a column with a lot of content
turbohost




msg:1312540
 1:13 pm on Oct 7, 2003 (gmt 0)

Hi,

I'm rather new to php and mysql. I've got to make a query on about 150.000 records. Each of these records has a number, a title, some more information and a field with a lot of text (sometimes more than 500 characters per field). How do I make a query on these large fields via PHP? I guess that it will take a long while to query all these fields. Are there tricks to make this query faster?

Turbohost

 

mogwai




msg:1312541
 1:22 pm on Oct 7, 2003 (gmt 0)

Not sure exactly what you are looking for but take a look at MySQL full text search.

[mysql.com...]

Using the MATCH() function you can quickly search these fields if they are FULLTEXT indexes.

sun818




msg:1312542
 4:22 pm on Oct 7, 2003 (gmt 0)

Of the 150,000 records, do you need to retrieve all of them? Or just a subset? I'd probably build an index on "number" to make the query faster. Then use a query like the one below, where the indexed field is the first field you use in your where clause:

select number, title, more_info, text_field where number = 'yourqueryvalue'

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