Hey Benchao,
Thank you for your guidance and advice. I am very happy to be able to
develop based on calcite. Thank you very much!
-原始邮件-
发件人:"Benchao Li"
发送时间:2022-06-26 18:20:53 (星期日)
收件人: "方丰斌" <8692182...@zju.edu.cn>, dev@calcite.apache.org
抄送:
主题: Re: Re: Re: Looking for help:
Hi 丰斌,
Below four kinds of Table can all fit your case.
- ScannableTable
- FilterableTable
- ProjectableFilterableTable
- QueryableTable
Translatable is another different case, it provides a way for you to
translate your table
to your customized TableScan.
If you just want to add your CK table
>
> I tried to add DDL statements and create a custom table (which
> inherits AbstractTable). However, it is obvious that some rules cannot be
> converted when CBO is started.
I don't fully understand this question, could you elaborate a little more
on it?
Did you mean that your DDL statement
Thanks for your advice. My mock table inherits AbstractTable, so there is no
convert. I solved the problem according to your suggestion.
BTW：I tried to add DDL statements and create a custom table (which inherits
AbstractTable). However, it is obvious that some rules cannot be converted when
hi 丰斌,
The exception message has told you the reason:
> Missing conversion is LogicalTableScan[convention: NONE -> ENUMERABLE]
This is mostly because your `MyRelOptSchema` returns a `Table` that cannot
be transformed to Enumerable Convention. You can refer the code[1] to
see why your Table
I had to moderate your message. Can you subscribe to the list so that you
receive updates.
Julian
> On Jun 24, 2022, at 09:37, 方丰斌 <8692182...@zju.edu.cn> wrote:
>
> Hey all,
>
>
>
>
>I'm trying to use VolcanoPlanner. I have encountered the following
> problems. I hope I can ask
Hey all,
I'm trying to use VolcanoPlanner. I have encountered the following
problems. I hope I can ask for some help. Thank you very much！
Test code：
`
VolcanoPlanner planner = new VolcanoPlanner();
planner.addRelTraitDef(ConventionTraitDef.INSTANCE);
