DB_result::numRows()
Описание
Get the number of rows in a result set.
Внимание |
For ibase, ifx and oci8, this method only works if the DB_PORTABILITY_NUMROWS portability option is enabled. In addition, for ibase and ifx, PEAR DB must be at version 1.7.0 or greater. Does not work for Microsoft Access. |
Throws
Таблица 35-1. Возможные значения PEAR_Error
Error code | Error message | Reason | Solution |
---|---|---|---|
DB_ERROR_NOT_CAPABLE | DB backend not capable | Driver doesn't support this feature. | Either switch to another database system or enable the DB_PORTABILITY_NUMROWS portability option. |
Пример
Пример 35-1. Using numRows()
|
Пред. | Начало | След. |
DB_result::numCols() | Уровень выше | DB_Error |