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Posted to commits@doris.apache.org by GitBox <gi...@apache.org> on 2022/07/29 07:00:22 UTC
[GitHub] [doris] starocean999 commented on pull request #11212: [fix] the nullable info is lost in ifnull expr
starocean999 commented on PR #11212:
URL: https://github.com/apache/doris/pull/11212#issuecomment-1198946020
> Do you have any case to repeat the error?
>
> ```java
> if (children.get(0).isNullable()) {
> return children.get(1).isNullable();
> }
> return false;
> ```
>
> The nullable here needs to be consistent with `FE`, I think we should do more change at `ifnull`. This is the modification of get_return_type_impl, we also need to implement similar logic in execute_impl 
thx, the be is modified and consistent with fe now.
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