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_r239177508
##########
File path:
spark/src/main/java/com/netflix/iceberg/spark/source/IcebergSource.java
##########
@@ -109,10 +113,19 @@ 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) {
+ Configuration resolvedConf = new Configuration(baseConf);
+ options.keySet().stream()
+ .filter(key -> key.startsWith("iceberg.hadoop"))
+ .filter(key -> baseConf.get(key) == null)
Review comment:
I think order of precedence should be:
* Iceberg defaults
* Table configuration
* Write options
I'm not sure how to separate session from write options. I don't think we
pull any configuration from the session to configure a specific write, do we?
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