TPC-H's query 17 is now supported. (Fixed a initialisation bug.)
TPC-H's query 17 is now supported. (Fixed a initialisation bug.)


Former-commit-id: ca613ac1b169fb10448dc5df64e45e70f3e968bb
HPI-SWA-Lab/SQPyte,HPI-SWA-Lab/SQPyte,HPI-SWA-Lab/SQPyte,HPI-SWA-Lab/SQPyte,HPI-SWA-Lab/SQPyte