Merge pull request ClickHouse#266 from pikot/master

date and datetime can be unsigned

Author: kshvakov

lib/column/date.go

@@ -30,6 +30,10 @@ func (dt *Date) Write(encoder *binary.Encoder, v interface{}) error {
 		return encoder.Int16(value)
 	case int32:
 		timestamp = int64(value) + dt.offset
+	case uint32:
+		timestamp = int64(value) + dt.offset
+	case uint64:
+		timestamp = int64(value) + dt.offset
 	case int64:
 		timestamp = value + dt.offset
 	case string:

lib/column/datetime.go

@@ -30,6 +30,10 @@ func (dt *DateTime) Write(encoder *binary.Encoder, v interface{}) error {
 		timestamp = int64(value)
 	case int32:
 		timestamp = int64(value)
+	case uint32:
+		timestamp = int64(value)
+	case uint64:
+		timestamp = int64(value)
 	case int64:
 		timestamp = value
 	case string: