Move connection creation inside begin block as it may fail
Move connection creation inside begin block as it may fail

nyimbi/cartodb,UCL-ShippingGroup/cartodb-1,codeandtheory/cartodb,nyimbi/cartodb,CartoDB/cartodb,thorncp/cartodb,splashblot/dronedb,nyimbi/cartodb,splashblot/dronedb,thorncp/cartodb,bloomberg/cartodb,codeandtheory/cartodb,CartoDB/cartodb,codeandtheory/cartodb,future-analytics/cartodb,thorncp/cartodb,nuxcode/cartodb,thorncp/cartodb,nuxcode/cartodb,codeandtheory/cartodb,nuxcode/cartodb,splashblot/dronedb,CartoDB/cartodb,future-analytics/cartodb,nyimbi/cartodb,future-analytics/cartodb,UCL-ShippingGroup/cartodb-1,bloomberg/cartodb,nuxcode/cartodb,UCL-ShippingGroup/cartodb-1,nuxcode/cartodb,bloomberg/cartodb,splashblot/dronedb,bloomberg/cartodb,CartoDB/cartodb,codeandtheory/cartodb,future-analytics/cartodb,splashblot/dronedb,bloomberg/cartodb,thorncp/cartodb,UCL-ShippingGroup/cartodb-1,future-analytics/cartodb,CartoDB/cartodb,nyimbi/cartodb,UCL-ShippingGroup/cartodb-1