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MDB_Common::fetchOne()

MDB_Common::fetchOne() -- fetch the first column of the first row

Synopsis

require_once 'MDB.php';

mixed &fetchOne (resource $result)

Fetch the first column of the first row of data returned from a result set and free the result set.

resource $result: a valid resource returned by query() or executeQuery()

mixed - the returned value or a MDB_Error, if fail

Tabela 35-1. Możliwe wartości PEAR_Error

Error code	Error message	Reason	Solution
every other error code		Database specific error	Check the database related section of PHP-Manual to detect the reason for this error. In the most cases a misformed SQL statment. Ie. using LIMIT in a SQL-Statment for an Oracle database.

Ta funkcja nie może być wywołana statycznie.

query() , limitQuery() , prepareQuery() , executeQuery() , fetchRow() , fetchCol() , fetchCol()

Download Documentation	Last updated: Mon, 02 Jul 2007
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