Do nothing if cannot typecast a candidate date column
Do nothing if cannot typecast a candidate date column

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