meetjunsu commented on a change in pull request #17542:
URL: https://github.com/apache/flink/pull/17542#discussion_r761000484
##########
File path:
flink-formats/flink-parquet/src/main/java/org/apache/flink/formats/parquet/row/ParquetRowDataWriter.java
##########
@@ -224,6 +293,176 @@ private TimestampWriter(int precision) {
public void write(RowData row, int ordinal) {
recordConsumer.addBinary(timestampToInt96(row.getTimestamp(ordinal,
precision)));
}
+
+ @Override
+ public void write(Object value) {
+ recordConsumer.addBinary(timestampToInt96((TimestampData) value));
+ }
+ }
+
+ private class MapWriter implements FieldWriter {
+
+ private String repeatedGroupName;
+ private String keyName, valueName;
+ private FieldWriter keyWriter, valueWriter;
+ private ArrayData.ElementGetter keyElementGetter, valueElementGetter;
+
+ private MapWriter(LogicalType keyType, LogicalType valueType,
GroupType groupType) {
+
+ // Get the internal map structure (MAP_KEY_VALUE)
+ GroupType repeatedType = groupType.getType(0).asGroupType();
+ this.repeatedGroupName = repeatedType.getName();
+
+ // Get key element information
+ Type type = repeatedType.getType(0);
+ this.keyName = type.getName();
+ this.keyWriter = createWriter(keyType, type);
+
+ // Get value element information
+ Type valuetype = repeatedType.getType(1);
+ this.valueName = valuetype.getName();
+ this.valueWriter = createWriter(valueType, valuetype);
+
+ this.keyElementGetter = ArrayData.createElementGetter(keyType);
+ this.valueElementGetter = ArrayData.createElementGetter(valueType);
+ }
+
+ @Override
+ public void write(RowData row, int ordinal) {
+ recordConsumer.startGroup();
+
+ MapData mapData = row.getMap(ordinal);
+
+ if (mapData != null && mapData.size() > 0) {
+ recordConsumer.startField(repeatedGroupName, 0);
+
+ ArrayData keyArray = mapData.keyArray();
+ ArrayData valueArray = mapData.valueArray();
+ for (int i = 0; i < keyArray.size(); i++) {
+ Object key = keyElementGetter.getElementOrNull(keyArray,
i);
+ Object value =
valueElementGetter.getElementOrNull(valueArray, i);
+
+ recordConsumer.startGroup();
+ if (key != null) {
Review comment:
supports multiple types in latest commit.
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