Obtain the variable type used by a particular field in a row.
- Parameters:
-
| hrow | Row handle. |
| nfield | Field number. |
- Returns:
- Field data type.
- NULL on failure.
On failure, one of the following error codes is set:
- DB_EINVAL Caused by: invalid input parameter.
- See also:
- get_db_error, clear_db_error, Error Handling
On failure, one of the following error codes is set: