On 13 Apr 2006, at 21:21, Jerry Haynes wrote:
Has anyone successfully called sp_password on a Sybase database?
Nothing is being returned back to theArray so I have no clue what
the problem might be.
private NSArray setSybasePassword(String eoModel, String
masterPassword, String newPassword, String userName) {
EOEditingContext context = session().defaultEditingContext();
String sqlString = "exec sp_password '" + masterPassword + "', '"
+ newPassword + "', '" + userName + "'";
NSArray theArray = EOUtilities.rawRowsForSQL(context, eoModel,
sqlString, null);
//NSLog.out.appendln("*********** " + eoModel + " -- " + sqlString
+ " -- " + theArray + " ************");
return theArray;
}
Thanks,
Jerry
Speaking from experience, Sybase stored procedures often return
multiple rowsets. You can confirm this is the case for sp_password
using sp_helptext when in the sybsystemprocs database. The problem
is not EOAdaptorChannel.evaluateExpression() vs
EOAdaptorChannel.executeStoredProcedure(), it's in having to write
your own code to fetch multiple rowsets. There was once some very
useful example code in the API reference documentation for how to do
this, but it's long since been pruned out.
Broadly (I have abstracted this from some ObjC code),
channel.executeStoredProcedure(...);
while (channel.isFetchInProgress()) {
channel setAttributesToFetch(channel.describeResults());
while ((row=channel.fetchRow())!=null) {
...
}
} // in my code this loop was do{}while(); instead of while(){}
I've never tried this in Java. The row dictionaries returned use
EOAttribute names as keys. The OPENSTEP adaptor I was using created
EOAttributes (in the array returned by describeResults()) having
names of EOAttribute[n] , but external names which were the Sybase
column names in the result set.
Hope this helps!
-- Patrick
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