wForget commented on code in PR #1359:
URL: https://github.com/apache/datafusion-comet/pull/1359#discussion_r1945908388
##########
native/core/src/parquet/parquet_support.rs:
##########
@@ -1861,6 +1863,42 @@ fn trim_end(s: &str) -> &str {
}
}
+// Default object store which is local filesystem
+#[cfg(not(feature = "hdfs"))]
+pub(crate) fn register_object_store(
+ session_context: Arc<SessionContext>,
+) -> Result<ObjectStoreUrl, ExecutionError> {
+ let object_store = object_store::local::LocalFileSystem::new();
+ let url = ObjectStoreUrl::parse("file://")?;
+ session_context
+ .runtime_env()
+ .register_object_store(url.as_ref(), Arc::new(object_store));
+ Ok(url)
+}
+
+// HDFS object store
+#[cfg(feature = "hdfs")]
+pub(crate) fn register_object_store(
+ session_context: Arc<SessionContext>,
+) -> Result<ObjectStoreUrl, ExecutionError> {
+ // TODO: read the namenode configuration from file schema or from
spark.defaultFS
Review Comment:
> for HDFS/S3 the default fs can be taken from spark.hadoop.fs.defaultFS
parameter.
Sometimes I also access other hdfs ns like:
```
select * from `parquet`.`hdfs://other-ns:8020/warehouse/db/table`
```
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