[documentation] [support] The use of db_rewrite_sql

[subha]

Issue status update for 
http://drupal.org/node/47361
Post a follow up: 
http://drupal.org/project/comments/add/47361

 Project:      Documentation
 Version:      <none>
 Component:    Developer Guide
 Category:     support requests
 Priority:     normal
 Assigned to:  subha
 Reported by:  subha
 Updated by:   subha
 Status:       active

I am not understanding the use of the drupal function db_rewite_sql.What
is basically does.Can that functionality cannot be acheived bu
db_query().




subha