Fix upgrade issue in postgres extension
Fix upgrade issue in postgres extension

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