danny0405 commented on issue #1354: [CALCITE-482] Implement sql and planner 
hints
URL: https://github.com/apache/calcite/pull/1354#issuecomment-544793346
 
 
   > * I saw you are supporting `WITH` hint. I am against on supporting it. 1 
single style  `/*+ */` would suffice.
   > * `RelWithHint` gives me impression that it is still a RelNode class. 
`Hintable` or `IHint` or other name may be better? Similarly, `RelHint` is a 
relational node? But it is not.  `HintNode` might be better?
   
   - The `WITH` has already been removed based on Julian's comments.
   - `RelWithHint` means a relational node with hint, the sub-class of it are 
exactly all relational nodes; for `RelHint` it has a sql node counter-part 
named `SqlHint`, `RelHint` means hint of a `RelNode`, i do not think the name 
is ambiguous

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