jayzhan211 commented on code in PR #11516:
URL: https://github.com/apache/datafusion/pull/11516#discussion_r1685423286
##########
datafusion/core/src/datasource/listing_table_factory.rs:
##########
@@ -49,16 +49,18 @@ impl ListingTableFactory {
impl TableProviderFactory for ListingTableFactory {
async fn create(
&self,
- state: &SessionState,
+ state: &dyn CatalogSession,
cmd: &CreateExternalTable,
) -> Result<Arc<dyn TableProvider>> {
- let file_format = state
+ // TODO remove downcast_ref from here. Should file format factory be
an extension to session state?
Review Comment:
Not sure what do you mean by this 😖
I think the role of FileFormat to SessionState is similar to function to
SessionState, they are already registrable
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