nssalian commented on code in PR #14297:
URL: https://github.com/apache/iceberg/pull/14297#discussion_r2985139682
##########
spark/v4.1/spark/src/main/java/org/apache/iceberg/spark/source/SparkFileWriterFactory.java:
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@@ -229,6 +251,71 @@ public PositionDeleteWriter<InternalRow>
newPositionDeleteWriter(
}
}
+ @Override
+ public DataWriter<InternalRow> newDataWriter(
+ EncryptedOutputFile file, PartitionSpec spec, StructLike partition) {
+ if (!shouldUseVariantShredding()) {
+ return super.newDataWriter(file, spec, partition);
+ }
+
+ int bufferSize =
+ Integer.parseInt(
+ writeProperties.getOrDefault(
+ SparkSQLProperties.VARIANT_INFERENCE_BUFFER_SIZE,
+
String.valueOf(SparkSQLProperties.VARIANT_INFERENCE_BUFFER_SIZE_DEFAULT)));
+
+ Map<String, String> tableProperties = table != null ? table.properties() :
ImmutableMap.of();
+ MetricsConfig metricsConfig =
+ table != null ? MetricsConfig.forTable(table) :
MetricsConfig.getDefault();
+
+ Function<List<InternalRow>, FileAppender<InternalRow>> appenderFactory =
+ bufferedRows -> {
+ Preconditions.checkNotNull(bufferedRows, "bufferedRows must not be
null");
+ MessageType originalSchema = ParquetSchemaUtil.convert(dataSchema,
"table");
Review Comment:
I'll work on the refactor based on the comments
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