Limit the job result size

[lmichel]

The query result can bee very large:
[michel@xcatdb taphandle]$ find userbase -name "*.xml" -mmin +59 -size +4096c -exec ls -l {} ;
-rw-r--r-- 1 michel michel 1824026624 19 mars 12:10 userbase/A86F10F47335CC2AC55439FD84EC2B19/gavo-tap/job_yLwGF0/result.xml
-rw-r--r-- 1 michel michel 11731402752 19 mars 08:16 userbase/A86F10F47335CC2AC55439FD84EC2B19/gavo-tap/job_VMLa5p/result.xml
-rw-r--r-- 1 michel michel 163423583 19 mars 04:19 userbase/A86F10F47335CC2AC55439FD84EC2B19/gavo-tap/job_UCrfLd/result.xml
-rw-r--r-- 1 michel michel 16065978368 19 mars 06:10 userbase/A86F10F47335CC2AC55439FD84EC2B19/gavo-tap/job_Nr7S7u/result.xml
-rw-r--r-- 1 michel michel 26309 19 mars 04:14 userbase/A86F10F47335CC2AC55439FD84EC2B19/gavo-tap/job__ViZiB/result.xml
-rw-r--r-- 1 michel michel 163455875 19 mars 04:15 userbase/A86F10F47335CC2AC55439FD84EC2B19/gavo-tap/job_haPaee/result.xml

SELECT TOP 1000000 * FROM ppmxl.main

Would be nice to have e mechanism limiting that either by limiting the downbload size or by adding a TOP in the query