Do not create timestamp columns in user tables #4962
Do not create timestamp columns in user tables #4962

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