Thank you for your help and suggestion about it Julian Hyde <jh...@apache.org> 于2019年2月28日周四 上午4:09写道:
> In https://issues.apache.org/jira/browse/CALCITE-707 < > https://issues.apache.org/jira/browse/CALCITE-707> we added methods such > as ‘boolean removeTable(String)’ and ‘boolean removeSubSchema(String)’ to > CalciteSchema, which is used to implement SchemaPlus via a wrapper > SchemaPlusImpl. > > So it would make sense to add similar removeTable etc. methods to > SchemaPlus. They should be flagged @Experimental. > > > On Feb 27, 2019, at 5:09 AM, Qi Yu <yuqi4...@gmail.com> wrote: > > > > Hi, > > Currently, SchemeaPlus has many add method like add function, add schema, > > if wander why the corresponding remove method are absent. For example, as > > we add a schema to the SchemeaPlus, after we have used it, if I want to > > remove it, how I can do it? Can any one help to clear this? > >