rdblue commented on a change in pull request #7: Allow custom hadoop properties
to be loaded in the Spark data source
URL: https://github.com/apache/incubator-iceberg/pull/7#discussion_r239549558
##########
File path:
spark/src/main/java/com/netflix/iceberg/spark/source/IcebergSource.java
##########
@@ -109,10 +113,18 @@ protected SparkSession lazySparkSession() {
return lazySpark;
}
- protected Configuration lazyConf() {
+ protected Configuration lazyBaseConf() {
if (lazyConf == null) {
this.lazyConf = lazySparkSession().sparkContext().hadoopConfiguration();
}
return lazyConf;
}
+
+ protected Configuration mergeIcebergHadoopConfs(Configuration baseConf,
Map<String, String> options) {
Review comment:
No, this should not be overridden. Probably should be `private static` then.
Creating a new configuration is expensive. As long as the details are
handled in a single class then it is fine to create just one copy and merge
configs into it. It may be more clear that's the behavior if this didn't return
a Configuration and returned void instead, but I think that's minor.
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