 MDB_Common::getOne() (Previous)
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MDB_Common::getRow()
Synopsis
array &getRow
(
string $query
,
array $types
= null
,
array $params = array()
,
array $param_types
= null
, integer
$fetchmode
= MDB_FETCHMODE_DEFAULT
)
Description
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-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() , getCol() , getRow() , getAssoc()
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MDB_Common::getOne() (Previous)
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(Next) MDB_Common::getTextValue()
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