thinkharderdev commented on code in PR #3311:
URL: https://github.com/apache/arrow-datafusion/pull/3311#discussion_r962756816
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datafusion/core/src/datasource/datasource.rs:
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@@ -72,3 +72,12 @@ pub trait TableProvider: Sync + Send {
Ok(TableProviderFilterPushDown::Unsupported)
}
}
+
+/// A factory which creates [`TableProvider`]s at runtime given a URL.
+///
+/// For example, this can be used to create a table "on the fly"
+/// from a directory of files only when that name is referenced.
+pub trait TableProviderFactory: Sync + Send {
Review Comment:
Should `create` be `async`?
The `TableProvider` will have to know the `Schema` which will most likely
have to be inferred by reading from the `ObjectStore` (or involve a network
call otherwise if there is some sort of metastore involved).
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