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: http://old.master.cmc.msu.ru/php/function.ifx-affected-rows.html
Дата изменения: Sun Feb 3 22:42:28 2002 Дата индексирования: Tue Oct 2 11:17:29 2012 Кодировка: |
result_id is a valid result id returned by ifx_query() or ifx_prepare().
Returns the number of rows affected by a query associated with result_id.
For inserts, updates and deletes the number is the real number (sqlerrd[2]) of affected rows. For selects it is an estimate (sqlerrd[0]). Don't rely on it. The database server can never return the actual number of rows that will be returned by a SELECT because it has not even begun fetching them at this stage (just after the "PREPARE" when the optimizer has determined the query plan).
Useful after ifx_prepare() to limit queries to reasonable result sets.
See also: ifx_num_rows()