@Override
public Datum eval(Tuple params) {
if (params.isBlankOrNull(0) || params.isBlankOrNull(1)) {
return NullDatum.get();
}
String value = params.getText(0);
String pattern = params.getText(1);
TimeMeta tm = DateTimeFormat.parseDateTime(value, pattern);
return new DateDatum(tm);
}
public static TimeDatum createTime(Datum datum) {
switch (datum.type()) {
case INT8:
return new TimeDatum(datum.asInt8());
case CHAR:
case VARCHAR:
case TEXT:
TimeMeta tm = DateTimeFormat.parseDateTime(datum.asChars(), "HH24:MI:SS.MS");
return new TimeDatum(DateTimeUtil.toTime(tm));
case TIME:
return (TimeDatum) datum;
default:
throw new TajoRuntimeException(new InvalidValueForCastException(datum.type(), Type.TIME));
}
}