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[opt](Nereids): use LocalDate to replace Calendar (#24361)

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jakevin
2023-09-17 11:16:03 +08:00
committed by GitHub
parent 7dcc68736d
commit ebe582758f
1 changed files with 13 additions and 11 deletions
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24
fe/fe-core/src/main/java/org/apache/doris/nereids/types/coercion/DateLikeType.java
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@ -27,31 +27,33 @@ import org.apache.doris.nereids.types.DateTimeV2Type;
import org.apache.doris.nereids.types.DateType;
import org.apache.doris.nereids.types.DateV2Type;
import java.time.LocalDate;
import java.time.temporal.ChronoUnit;
import java.util.Calendar;
/**
* date like type.
*/
public abstract class DateLikeType extends PrimitiveType {
private Calendar toCalendar(double d) {
//d = (year * 10000 + month * 100 + day) * 1000000L;
private LocalDate toLocalDate(double d) {
// d = (year * 10000 + month * 100 + day) * 1000000L;
int date = (int) (d / 1000000);
int day = date % 100;
int month = (date / 100) % 100;
int year = date / 10000;
Calendar calendar = Calendar.getInstance();
calendar.set(Calendar.YEAR, year);
calendar.set(Calendar.MONTH, month);
calendar.set(Calendar.DAY_OF_MONTH, day);
return calendar;
return LocalDate.of(year, month, day);
}
@Override
public double rangeLength(double high, double low) {
Calendar to = toCalendar(high);
Calendar from = toCalendar(low);
return ChronoUnit.DAYS.between(from.toInstant(), to.toInstant());
if (high == low) {
return 0;
}
if (Double.isInfinite(high) || Double.isInfinite(low)) {
return high - low;
}
LocalDate to = toLocalDate(high);
LocalDate from = toLocalDate(low);
return ChronoUnit.DAYS.between(from, to);
}
/**