MDB_Common::queryRow()
Synopsis
array &queryRow
(
string $query
,
array $types
= null
,
integer $fetchmode
= MDB_FETCHMODE_DEFAULT
,
integer $rownum
= null
)
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.
Parameter
-
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
Return value
array - the first row of results as an array
indexed from 0 or a MDB_Error, if fail
Throws
| Error code | Error message | Reason | Solution |
|---|---|---|---|
| MDB_ERROR_NO_DB_SELECTED | NULL | No database was chosen. | Check the DSN in connect() . |
| 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() , queryCol() , queryRow()