MDB_Common::getRow()
Synopsis
array &getRow
(
string $query
,
array $types
= null
,
array $params = array()
,
array $param_types
= null
, integer
$fetchmode
= MDB_FETCHMODE_DEFAULT
)
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
-
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
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_INVALID | NULL | SQL statement 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 statement. |
Check the number of wild cards given in the SQL statement
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 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() , getCol() , getRow() , getAssoc()