[Apache Calcite] 把非Logical关系表达式还原成Logical关系表达式

org.apache.calcite.rel.logical.ToLogicalConverter

      RelNode fixLogic = new ToLogicalConverter(RelBuilder.create(config)) {
            @Override
            public RelNode visit(RelNode relNode) {
               //无法转换部分
                return super.visit(relNode);
            }
        }.visit(phy);