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MDB_Common::getRow()

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

Synopsis

require_once 'MDB.php';

array &getRow (string $query, array [$types = NULL], array [$params = array()], array [$param_types = NULL], integer [$fetchmode = MDB_FETCHMODE_DEFAULT])

Descripción

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

Parámetro

string $query: the SQL query
array $types: if supplied, the types of the columns in the result set will be set for fetching
array $params: if supplied, prepareQuery()/ executeQuery() will be used with this array as execute parameters
array $param_types: if supplied, the values in $param will automatically set to the passed datatypes
integer $fetchmode: the fetch mode to use, default is MDB_FETCHMODE_DEFAULT

Valor devuelto

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

Lanza

Tabla 35-1. Posibles valores de PEAR_Error

Error code	Error message	Reason	Solution
`MDB_ERROR_INVALID`	`NULL`	SQL statment for preparing is not valid.	See the prepareQuery() documentation, if you want to use a SQL statemt using wildcards.
`MDB_ERROR_NEED_MORE_DATA`	`NULL`	To less data for filling the prepared SQL statment.	Check the number of wild cards given in the SQL statment prepareQuery() . Check the count of entries in the array for `$params`. The count of entries have to be equal to the number of wild cards.
`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.

Nota

Esta función no puede ser llamada estáticamente.

Ver

query() , limitQuery() , prepareQuery() executeQuery() , getCol() , getRow() , getAssoc()

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