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[arrow] Read timestamp vector and process by paimon self #4008

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merged 1 commit into from
Aug 20, 2024
Merged

[arrow] Read timestamp vector and process by paimon self #4008

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20 changes: 14 additions & 6 deletions ...on-arrow/src/main/java/org/apache/paimon/arrow/converter/Arrow2PaimonVectorConverter.java
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Original file line number Diff line number Diff line change
Expand Up @@ -74,14 +74,13 @@
import org.apache.arrow.vector.IntVector;
import org.apache.arrow.vector.SmallIntVector;
import org.apache.arrow.vector.TimeMilliVector;
import org.apache.arrow.vector.TimeStampVector;
import org.apache.arrow.vector.TinyIntVector;
import org.apache.arrow.vector.VarBinaryVector;
import org.apache.arrow.vector.VarCharVector;
import org.apache.arrow.vector.complex.ListVector;
import org.apache.arrow.vector.complex.MapVector;
import org.apache.arrow.vector.complex.StructVector;

import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.List;

Expand Down Expand Up @@ -375,8 +374,17 @@ public boolean isNullAt(int index) {

@Override
public Timestamp getTimestamp(int i, int precision) {
return Timestamp.fromLocalDateTime(
(LocalDateTime) (vector.getObject(i)));
long value = ((TimeStampVector) vector).get(i);
if (precision == 0) {
return Timestamp.fromEpochMillis(value * 1000);
} else if (precision >= 1 && precision <= 3) {
return Timestamp.fromEpochMillis(value);
} else if (precision >= 4 && precision <= 6) {
return Timestamp.fromMicros(value);
} else {
return Timestamp.fromEpochMillis(
value / 1_000_000, (int) value % 1_000_000);
}
}
};
}
Expand Down Expand Up @@ -463,13 +471,13 @@ public Arrow2PaimonVectorConverter visit(MapType mapType) {
new MapColumnVector() {

private boolean inited = false;
private MapVector mapVector;
private ListVector mapVector;
private ColumnVector keyColumnVector;
private ColumnVector valueColumnVector;

private void init() {
if (!inited) {
this.mapVector = (MapVector) vector;
this.mapVector = (ListVector) vector;
StructVector listVector = (StructVector) mapVector.getDataVector();

FieldVector keyVector = listVector.getChildrenFromFields().get(0);
Expand Down
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