   #PHP Manual MySQL Functions mysql_thread_id Improved MySQL Extension

   PHP Manual
   Prev  Next
   ______________________________________________________________________

                            mysql_unbuffered_query

   (PHP 4 >= 4.0.6)
   mysql_unbuffered_query --  Send an SQL query to MySQL, without
   fetching and buffering the result rows

Description

   resource mysql_unbuffered_query ( string query [, resource
   link_identifier])

   mysql_unbuffered_query() sends a SQL query query to MySQL, without
   fetching and buffering the result rows automatically, as mysql_query()
   does. On the one hand, this saves a considerable amount of memory with
   SQL queries that produce large result sets. On the other hand, you can
   start working on the result set immediately after the first row has
   been retrieved: you don't have to wait until the complete SQL query
   has been performed. When using multiple DB-connects, you have to
   specify the optional parameter link_identifier.

     Note: The benefits of mysql_unbuffered_query() come at a cost: You
     cannot use mysql_num_rows() and mysql_data_seek() on a result set
     returned from mysql_unbuffered_query(). You also have to fetch all
     result rows from an unbuffered SQL query, before you can send a new
     SQL query to MySQL.

   See also mysql_query().
   ______________________________________________________________________

   Prev            Home                     Next
   mysql_thread_id  Up  Improved MySQL Extension
