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[bugfix](iceberg)fix datetime conversion error for 2.0 #35831

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Jun 6, 2024
Merged

[bugfix](iceberg)fix datetime conversion error for 2.0 #35831

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19 changes: 16 additions & 3 deletions fe/fe-core/src/main/java/org/apache/doris/analysis/DateLiteral.java
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Original file line number Diff line number Diff line change
Expand Up @@ -974,12 +974,25 @@ public static DateLiteral read(DataInput in) throws IOException {
}

public long unixTimestamp(TimeZone timeZone) {
ZonedDateTime zonedDateTime = ZonedDateTime.of((int) year, (int) month, (int) day, (int) hour,
(int) minute, (int) second, (int) microsecond, ZoneId.of(timeZone.getID()));
Timestamp timestamp = Timestamp.from(zonedDateTime.toInstant());
Timestamp timestamp = getTimestamp(timeZone);
return timestamp.getTime();
}

private Timestamp getTimestamp(TimeZone timeZone) {
ZonedDateTime zonedDateTime = ZonedDateTime.of((int) year, (int) month, (int) day, (int) hour,
(int) minute, (int) second, (int) microsecond * 1000, ZoneId.of(timeZone.getID()));
return Timestamp.from(zonedDateTime.toInstant());
}

public long getUnixTimestampWithMillisecond(TimeZone timeZone) {
return unixTimestamp(timeZone);
}

public long getUnixTimestampWithMicroseconds(TimeZone timeZone) {
Timestamp timestamp = getTimestamp(timeZone);
return timestamp.getTime() * 1000 + timestamp.getNanos() / 1000 % 1000;
}

public static boolean hasTimePart(String format) {
return format.chars().anyMatch(c -> TIME_PART_SET.contains((char) c));
}
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3 changes: 1 addition & 2 deletions fe/fe-core/src/main/java/org/apache/doris/external/iceberg/util/IcebergUtils.java
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Expand Up @@ -88,7 +88,6 @@ public Integer initialValue() {
return 0;
}
};
static long MILLIS_TO_NANO_TIME = 1000;
public static final String TOTAL_RECORDS = "total-records";
public static final String TOTAL_POSITION_DELETES = "total-position-deletes";
public static final String TOTAL_EQUALITY_DELETES = "total-equality-deletes";
Expand Down Expand Up @@ -454,7 +453,7 @@ private static Object extractDorisLiteral(org.apache.iceberg.types.Type icebergT
case DATE:
return dateLiteral.getStringValue();
case TIMESTAMP:
return dateLiteral.unixTimestamp(TimeUtils.getTimeZone()) * MILLIS_TO_NANO_TIME;
return dateLiteral.getUnixTimestampWithMicroseconds(TimeUtils.getTimeZone());
default:
return null;
}
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15 changes: 15 additions & 0 deletions fe/fe-core/src/test/java/org/apache/doris/analysis/DateLiteralTest.java
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Expand Up @@ -26,6 +26,9 @@
import org.junit.Assert;
import org.junit.Test;

import java.time.ZoneOffset;
import java.util.TimeZone;

public class DateLiteralTest {

@Test
Expand Down Expand Up @@ -406,4 +409,16 @@ public void testCheckRangeForDateV2() {
}
Assert.assertFalse(hasException);
}

@Test
public void testUnixTimestampWithMilliMicroSecond() throws AnalysisException {
String s = "2020-12-13 12:13:14.123456";
Type type = Type.DATETIMEV2;
DateLiteral literal = new DateLiteral(s, type);
long l = literal.getUnixTimestampWithMillisecond(TimeZone.getTimeZone(ZoneOffset.UTC));
Assert.assertEquals(123, l % 1000);

long l2 = literal.getUnixTimestampWithMicroseconds(TimeZone.getTimeZone(ZoneOffset.UTC));
Assert.assertEquals(123456, l2 % 1000000);
}
}
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