Re: TableScan#explainTerms may be not enough for digest

[Danny Chan]

Thanks for driving this discussion, JiaTao, the Flink way:

Extend the digest through getQualifiedName is hacky somehow.

We actually need some interfaces to reflect/represent the pushed info, the 
pushed fields or filter expression.

Best,
Danny Chan
在 2020年10月9日 +0800 PM3:35，dev@calcite.apache.org，写道：
>
> getQualifiedName