You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@doris.apache.org by "jackwener (via GitHub)" <gi...@apache.org> on 2023/08/16 06:12:06 UTC
[GitHub] [doris] jackwener opened a new pull request, #23040: [feature](Nereids): convert CASE WHEN to IF
jackwener opened a new pull request, #23040:
URL: https://github.com/apache/doris/pull/23040
## Proposed changes
Add a rule to optimize CASE WHEN expression.
* Rewrite rule to convert CASE WHEN to IF.
For example:
* CASE WHEN a > 1 THEN 1 ELSE 0 END -> IF(a > 1, 1, 0)
<!--Describe your changes.-->
## Further comments
If this is a relatively large or complex change, kick off the discussion at [dev@doris.apache.org](mailto:dev@doris.apache.org) by explaining why you chose the solution you did and what alternatives you considered, etc...
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: commits-unsubscribe@doris.apache.org
For queries about this service, please contact Infrastructure at:
users@infra.apache.org
---------------------------------------------------------------------
To unsubscribe, e-mail: commits-unsubscribe@doris.apache.org
For additional commands, e-mail: commits-help@doris.apache.org
[GitHub] [doris] jackwener commented on pull request #23040: [feature](Nereids): convert CASE WHEN to IF
Posted by "jackwener (via GitHub)" <gi...@apache.org>.
jackwener commented on PR #23040:
URL: https://github.com/apache/doris/pull/23040#issuecomment-1680026157
run buildall
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: commits-unsubscribe@doris.apache.org
For queries about this service, please contact Infrastructure at:
users@infra.apache.org
---------------------------------------------------------------------
To unsubscribe, e-mail: commits-unsubscribe@doris.apache.org
For additional commands, e-mail: commits-help@doris.apache.org
[GitHub] [doris] hello-stephen commented on pull request #23040: [feature](Nereids): convert CASE WHEN to IF
Posted by "hello-stephen (via GitHub)" <gi...@apache.org>.
hello-stephen commented on PR #23040:
URL: https://github.com/apache/doris/pull/23040#issuecomment-1698489443
(From new machine)TeamCity pipeline, clickbench performance test result:
the sum of best hot time: 47.14 seconds
stream load tsv: 544 seconds loaded 74807831229 Bytes, about 131 MB/s
stream load json: 20 seconds loaded 2358488459 Bytes, about 112 MB/s
stream load orc: 64 seconds loaded 1101869774 Bytes, about 16 MB/s
stream load parquet: 30 seconds loaded 861443392 Bytes, about 27 MB/s
insert into select: 29.2 seconds inserted 10000000 Rows, about 342K ops/s
storage size: 17162361137 Bytes
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: commits-unsubscribe@doris.apache.org
For queries about this service, please contact Infrastructure at:
users@infra.apache.org
---------------------------------------------------------------------
To unsubscribe, e-mail: commits-unsubscribe@doris.apache.org
For additional commands, e-mail: commits-help@doris.apache.org
[GitHub] [doris] github-actions[bot] commented on pull request #23040: [feature](Nereids): convert CASE WHEN to IF
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] commented on PR #23040:
URL: https://github.com/apache/doris/pull/23040#issuecomment-1698642356
PR approved by anyone and no changes requested.
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: commits-unsubscribe@doris.apache.org
For queries about this service, please contact Infrastructure at:
users@infra.apache.org
---------------------------------------------------------------------
To unsubscribe, e-mail: commits-unsubscribe@doris.apache.org
For additional commands, e-mail: commits-help@doris.apache.org
[GitHub] [doris] jackwener commented on pull request #23040: [feature](Nereids): convert CASE WHEN to IF
Posted by "jackwener (via GitHub)" <gi...@apache.org>.
jackwener commented on PR #23040:
URL: https://github.com/apache/doris/pull/23040#issuecomment-1698462603
run buildall
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: commits-unsubscribe@doris.apache.org
For queries about this service, please contact Infrastructure at:
users@infra.apache.org
---------------------------------------------------------------------
To unsubscribe, e-mail: commits-unsubscribe@doris.apache.org
For additional commands, e-mail: commits-help@doris.apache.org
[GitHub] [doris] jackwener merged pull request #23040: [feature](Nereids): convert CASE WHEN to IF
Posted by "jackwener (via GitHub)" <gi...@apache.org>.
jackwener merged PR #23040:
URL: https://github.com/apache/doris/pull/23040
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: commits-unsubscribe@doris.apache.org
For queries about this service, please contact Infrastructure at:
users@infra.apache.org
---------------------------------------------------------------------
To unsubscribe, e-mail: commits-unsubscribe@doris.apache.org
For additional commands, e-mail: commits-help@doris.apache.org
[GitHub] [doris] github-actions[bot] commented on pull request #23040: [feature](Nereids): convert CASE WHEN to IF
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] commented on PR #23040:
URL: https://github.com/apache/doris/pull/23040#issuecomment-1698642310
PR approved by at least one committer and no changes requested.
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: commits-unsubscribe@doris.apache.org
For queries about this service, please contact Infrastructure at:
users@infra.apache.org
---------------------------------------------------------------------
To unsubscribe, e-mail: commits-unsubscribe@doris.apache.org
For additional commands, e-mail: commits-help@doris.apache.org