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MDB_Common::queryRow()

MDB_Common::queryRow() -- fetch the first row

Áttekintés

require_once 'MDB.php';

array &queryRow (string $query, array [$types = NULL], integer [$fetchmode = MDB_FETCHMODE_DEFAULT] [, integer $rownum = NULL])

Fetch the first row of data returned from a query. The function takes care of doing the query and freeing the results when finished.

string $query: the SQL query
array $types: if supplied, the types of the columns in the result set will be set for fetching
integer $fetchmode: the fetch mode to use, default is MDB_FETCHMODE_DEFAULT
integer $rownum: the row number to fetch

array - the first row of results as an array indexed from 0 or a MDB_Error, if fail

Táblázat 35-1. Lehetséges PEAR_Error visszatérési értékek

Error code	Error message	Reason	Solution
`MDB_ERROR_NO_DB_SELECTED`	`NULL`	No database was choosen.	Check the DSN in connect() .
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.

Ez a függvény nem hívható statikusan.

query() , limitQuery() , prepareQuery() executeQuery() , queryCol() , queryRow()

Download Documentation	Last updated: Sun, 01 Jul 2007
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