Hi Jack,
I see this is on the right track now...
On Jul 21, 2007, at 1:15 AM, Jack O'Connor wrote:
> java.lang.ClassCastException: org.objectstyle.cayenne.DataRow
> at com.statistics.ComputeStatistics.getcsDiskSpace
> (ComputeStatistics.java:838)
> at com.statistics.MainStatistics.main(MainStatistics.java:66)
So you are casting the result to something else. Cast it to map:
List results = context.performQuery(....);
Iterator it = results.iterator();
while(it.hasNext()) {
Map result = (Map) it.next();
/// do something...
}
> It recieved the correct number of rows (34), but when I try to
> access them, I get errors. I've tried using an arbitrary class, and
> creating a model in cayenne especially for the "show table status"
> table, with attributes "Data_length" etc, so I have the correct
> getters and setters, but no luck...
>
> Is there a way to extract generic data form an undefined "Map"?
Yes - keys in the map are the column names from the ResultSet
returned from MySQL. The simplest way to see what keys are valid is
this:
System.out.println("Keys: " + result.keySet());
So you can form instance use (but consult the output of the statement
above for the correct key values)
Number x = (Number) result.get("Data_length");
Andrus
This archive was generated by hypermail 2.0.0 : Sat Jul 21 2007 - 04:22:54 EDT