MDB_Common::queryRow()
Описание
Fetch the first row of data returned from a query. The function takes care of doing the query and freeing the results when finished.
Параметр
- 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
Возвращаемое значение
array - the first row of results as an array indexed from 0 or a MDB_Error, if fail
Throws
Таблица 35-1. Возможные значения PEAR_Error
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. |
Пред. | Начало | След. |
MDB_Common::queryOne() | Уровень выше | MDB_Common::setFetchMode() |