Github user njayaram2 commented on the issue:
https://github.com/apache/incubator-madlib/pull/81
Some more input error checks, apart from what Orhan has already mentioned
above (note that
you may have already covered some of these, I just listed things out of the
top of my head):
- validity of types of parameters `point_column_name` (must be an array),
`label_column_name`
(must be an int/bool), `test_column_name` (must be an array) and
`id_column_name` (integer).
- validity of the `operation` parameter. Look for error cases such as
empty, NULL, `xyz` etc.
- validity of the `k` parameter. Look for error cases such as 0, -1, and a
number greater than
the total number of rows in `point_source`.
It's probably easier to validate input parameters in python since you can
use existing helper
functions in MADlib python modules such as `utilities.validate_args` and
`utilities.utilities`.
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