pvary commented on code in PR #18238:
URL: https://github.com/apache/iceberg/pull/18238#discussion_r4143014437
##########
parquet/src/main/java/org/apache/iceberg/parquet/Parquet.java:
##########
@@ -1528,16 +1531,29 @@ public <D> CloseableIterable<D> build() {
if (batchedReaderFunc != null
|| batchedReaderFuncWithSchema != null
|| readerFunction != null) {
+ // Hadoop's Configuration rejects null values
+ Map<String, String> readProperties =
+ Maps.filterEntries(
+ properties,
+ entry ->
+ entry.getValue() != null
+ &&
!READ_PROPERTIES_TO_REMOVE.contains(entry.getKey()));
+
ParquetReadOptions.Builder optionsBuilder;
if (file instanceof HadoopConfigurable) {
// remove read properties already set that may conflict with this
read
Configuration conf = new Configuration(((HadoopConfigurable)
file).getConf());
for (String property : READ_PROPERTIES_TO_REMOVE) {
conf.unset(property);
}
+ // must happen before builder(conf) below, which parses some fields
from conf once
+ readProperties.forEach(conf::set);
+ applyVectoredIoDefault(new HadoopParquetConfiguration(conf));
Review Comment:
nit: do we need a wrapper here?
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