value_is_valid_e

Description:

[ Version ( since = "4.2.10" ) ]
public bool value_is_valid_e (Value value) throws Error

Tells if value has been marked as being invalid by invalidate_value.

This method is mainly used by database providers' implementations to report any error while reading a value from the database.

Parameters:

this

a Row.
value

a Value belonging to this (obtained with get_value).

Returns:

true if value is valid