rdblue commented on code in PR #11904:
URL: https://github.com/apache/iceberg/pull/11904#discussion_r1925905904
##########
parquet/src/main/java/org/apache/iceberg/data/parquet/BaseParquetWriter.java:
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@@ -50,6 +46,31 @@ protected ParquetValueWriter<T> createWriter(MessageType
type) {
protected abstract ParquetValueWriters.StructWriter<T> createStructWriter(
List<ParquetValueWriter<?>> writers);
+ protected ParquetValueWriter<?> fixedWriter(ColumnDescriptor desc) {
+ return new GenericParquetWriter.FixedWriter(desc);
+ }
+
+ protected ParquetValueWriter<?> dateWriter(ColumnDescriptor desc) {
+ return new GenericParquetWriter.DateWriter(desc);
+ }
+
+ protected ParquetValueWriter<?> timeWriter(ColumnDescriptor desc) {
+ return new GenericParquetWriter.TimeWriter(desc);
+ }
+
+ protected ParquetValueWriter<?> timestampWriter(ColumnDescriptor desc,
boolean isAdjustedToUTC) {
+ if (isAdjustedToUTC) {
+ return new GenericParquetWriter.TimestamptzWriter(desc);
+ } else {
+ return new GenericParquetWriter.TimestampWriter(desc);
+ }
+ }
+
+ protected ParquetValueWriter<?> uuidWriter(ColumnDescriptor desc) {
+ // Use primitive-type writer (as FIXED_LEN_BYTE_ARRAY); no special writer
needed.
+ return null;
Review Comment:
I think I commented on this in the last round of reviews. This isn't
correct. Incoming values are of type `UUID` so this needs a writer that can
convert UUID into a byte array. This should return
`ParquetValueWriters.uuids(desc)`.
There's also no need to add a method for this because it is the same between
the generic and internal object models.
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