[support] Place holders in SQL query

[nan wich]

<:avglsdata id=avglsdata> 
This is exacty what db_placeholders() is for. It takes an array and build the 
correct number of %s fields (or %d depending on the type parameter) for 
inserting into your IN clause.
 
Nancy
 
Injustice anywhere is a threat to justice everywhere. -- Dr. Martin L. King, Jr.




________________________________
From: Austin Einter <austin.einter at gmail.com>
To: support at drupal.org
Sent: Sun, April 10, 2011 8:55:16 PM
Subject: [support] Place holders in SQL query


1. 
When we do a SQL query, if we want to pass value to query, we make use %d for 
integers or %s for strings.
Similarly do we have any place holders for arrays.  


2.
I am facing a below typical problem, can somebody tell me what should I do?

Below query works fine.
SELECT skillid FROM {resubmt_skills}  WHERE resubmt_skills.skillname IN ('PHP', 
'HTML', 'SQL')   


But in above query search string  'PHP', 'HTML', 'SQL' is hard coded.
I want to make the query generic.

Lets say in custom search form, user entered search string PHP, Telecom, HTML,, 
so how can I write a generic query.

Thanks
Austin 
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