thinkharderdev commented on code in PR #13454:
URL: https://github.com/apache/datafusion/pull/13454#discussion_r1846687526
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datafusion/catalog/src/table.rs:
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@@ -247,6 +247,9 @@ pub trait TableProvider: Debug + Sync + Send {
}
/// Get statistics for this table, if available
+ /// Although not presently used in mainline DataFusion, this allows
implementation specific
+ /// behavior for downstream repositories, in conjunction with specialized
optimizer rules to
+ /// perform operations such as re-ordering of joins.
Review Comment:
> Not sure why we have this method then, if it cannot be used directly in DF.
It can still be used in logical optimizer rules.
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