zinking commented on code in PR #9724:
URL: https://github.com/apache/iceberg/pull/9724#discussion_r1496914794
##########
spark/v3.5/spark/src/main/java/org/apache/iceberg/spark/actions/RewriteDataFilesSparkAction.java:
##########
@@ -507,4 +645,54 @@ public int totalGroupCount() {
return totalGroupCount;
}
}
+
+ private static class MakeDeleteFile implements MapFunction<Row, DeleteFile> {
+
+ private final boolean posDeletes;
+ private final Types.StructType partitionType;
+ private final Map<Integer, PartitionSpec> specsById;
+
+ /**
+ * Map function that transforms entries table rows into {@link DeleteFile}
+ *
+ * @param posDeletes true for position deletes, false for equality deletes
+ * @param partitionType partition type of table
+ * @param specsById table's partition specs
+ */
+ MakeDeleteFile(
+ boolean posDeletes, Types.StructType partitionType, Map<Integer,
PartitionSpec> specsById) {
+ this.posDeletes = posDeletes;
+ this.partitionType = partitionType;
+ this.specsById = specsById;
+ }
+
+ @Override
+ public DeleteFile call(Row row) throws Exception {
+ PartitionData partition = new PartitionData(partitionType);
+ GenericRowWithSchema partitionRow = row.getAs(0);
+
+ for (int i = 0; i < partitionRow.length(); i++) {
+ partition.set(i, partitionRow.get(i));
+ }
+
+ int specId = row.getAs(1);
+ String path = row.getAs(2);
+ long fileSize = row.getAs(3);
+ long recordCount = row.getAs(4);
+
+ FileMetadata.Builder builder =
FileMetadata.deleteFileBuilder(specsById.get(specId));
Review Comment:
I probably didn't explain it properly.
the `partition` variable and the `specsById.get(specId)` doesn't match under
schema (partition) evolution.
my fix is something like this
```
PartitionSpec partitionSpec = specsById.get(specId);
List<String> partitionFields =
partitionSpec.fields().stream().map(PartitionField::name).collect(Collectors.toList());
PartitionData specPartData = partition.project(partitionFields);
FileMetadata.Builder builder =
FileMetadata.deleteFileBuilder(partitionSpec);
```
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