MDB_Common::fetchOne()
MDB_Common::fetchOne() – fetch the first column of the first row
Synopsis
require_once 'MDB.php';
mixed &fetchOne
(
resource $result
)
Описание
Fetch the first column of the first row of data returned from a result set and free the result set.
Return value
mixed - the returned value or
a MDB_Error, if fail
Throws
| Error code | Error message | Reason | Solution |
|---|---|---|---|
| every other error code | Database specific error | Check the database related section of PHP-Руководство to detect the reason for this error. In the most cases a misformed SQL statement. Ie. using LIMIT in a SQL-Statement for an Oracle database. |
Замечание
This function can not be called statically.
See
query() , limitQuery() , prepareQuery() , executeQuery() , fetchRow() , fetchCol() , fetchCol()