MDB_Common::queryRow()
Вернуться к: MDB
MDB_Common::queryRow()
Synopsis
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.
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-Manual 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. |
Note
This function can not be called statically.
See
query() , limitQuery() , prepareQuery() executeQuery() , queryCol() , queryRow()
Вернуться к: MDB