See https://dev.lsstcorp.org/trac/wiki/db/tests/MySql/MergeEngine2 We can discuss on Thursday, or tomorrow if we have time. If you have any suggestions what else to try, let me know, it is very easy now, I have everything all set up... Jacek ######################################################################## Use REPLY-ALL to reply to list To unsubscribe from the QSERV-L list, click the following link: https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=QSERV-L&A=1