jdbc: set type of BigInteger as VARCHAR#3940

Merged

sougou merged 2 commits intovitessio:masterfrom

HubSpot:jdbc-big-int-fix

May 19, 2018

Commits on May 16, 2018

Follow on to PR#3914, we set type of BigInteger as UINT64 instead of INT64.
Alex Charis
committed

Commits on May 18, 2018

declare BigInteger type as VARCHAR
Alex Charis
committed