Hi Serge, test cases which fail (return multiple rows) due to DISTINCT: case03: - 0002_fetchRunAndFieldById.txt - 0021_selectScienceCCDExposure.txt - 0030_selectScienceCCDExposureByRunField.txt Cheers, Andy ######################################################################## 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