Cause if it's accumulative, the bag doesn't need to be loaded in ram to be checked for emptiness.
On Apr 11, 2012, at 10:55 AM, "Jonathan Coveney (Commented) (JIRA)" <j...@apache.org> wrote: > > [ > https://issues.apache.org/jira/browse/PIG-2065?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13251787#comment-13251787 > ] > > Jonathan Coveney commented on PIG-2065: > --------------------------------------- > > Why is this necessary? At least for DefaultDataBags, the size is simply a > known quantity, so you can check if "size == 0." Do you have another case in > mind? > >> IsEmpty should be Accumulative >> ------------------------------ >> >> Key: PIG-2065 >> URL: https://issues.apache.org/jira/browse/PIG-2065 >> Project: Pig >> Issue Type: Improvement >> Reporter: Dmitriy V. Ryaboy >> >> IsEmpty is trivial to implement as an accumulator. We should do that. > > -- > This message is automatically generated by JIRA. > If you think it was sent incorrectly, please contact your JIRA > administrators: > https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa > For more information on JIRA, see: http://www.atlassian.com/software/jira > >
