hililiwei commented on code in PR #3991:
URL: https://github.com/apache/iceberg/pull/3991#discussion_r849494169
##########
flink/v1.14/flink/src/main/java/org/apache/iceberg/flink/data/RowDataProjection.java:
##########
@@ -134,11 +176,26 @@ private static RowData.FieldGetter
createFieldGetter(RowType rowType,
public RowData wrap(RowData row) {
this.rowData = row;
+ this.valueCache.clear();
return this;
}
private Object getValue(int pos) {
- return getters[pos].getFieldOrNull(rowData);
+ return valueCache.computeIfAbsent(pos, key -> {
+ Object value = null;
+ if (projectedFields != null) {
Review Comment:
Fetch data from iceberg nested struct data according to `projectedFields`
and the field pos in flink output schema
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