findepi commented on code in PR #13454:
URL: https://github.com/apache/datafusion/pull/13454#discussion_r1845329458
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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:
Why don't we add such optimizer in DataFusion core, @alamb ?
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