You are viewing a plain text version of this content. The canonical link for it is here.
Posted to issues@beam.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2019/01/14 23:14:00 UTC
[jira] [Work logged] (BEAM-6427) INTERSECT ALL is not compatible
with SQL standard
[ https://issues.apache.org/jira/browse/BEAM-6427?focusedWorklogId=185011&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-185011 ]
ASF GitHub Bot logged work on BEAM-6427:
----------------------------------------
Author: ASF GitHub Bot
Created on: 14/Jan/19 23:13
Start Date: 14/Jan/19 23:13
Worklog Time Spent: 10m
Work Description: amaliujia commented on pull request #7504: [BEAM-6427]INTERSECT ALL is not compatible with SQL standard.
URL: https://github.com/apache/beam/pull/7504
Per SQL standard 1999 `7.12 3) iii) 3)`,
For ALL case,
```
If INTERSECT is specified, then the number of duplicates of R that T contains is
the minimum of m and n.
```
------------------------
Follow this checklist to help us incorporate your contribution quickly and easily:
- [x] Format the pull request title like `[BEAM-XXX] Fixes bug in ApproximateQuantiles`, where you replace `BEAM-XXX` with the appropriate JIRA issue, if applicable. This will automatically link the pull request to the issue.
- [ ] If this contribution is large, please file an Apache [Individual Contributor License Agreement](https://www.apache.org/licenses/icla.pdf).
It will help us expedite review of your Pull Request if you tag someone (e.g. `@username`) to look at it.
Post-Commit Tests Status (on master branch)
------------------------------------------------------------------------------------------------
Lang | SDK | Apex | Dataflow | Flink | Gearpump | Samza | Spark
--- | --- | --- | --- | --- | --- | --- | ---
Go | [](https://builds.apache.org/job/beam_PostCommit_Go/lastCompletedBuild/) | --- | --- | --- | --- | --- | ---
Java | [](https://builds.apache.org/job/beam_PostCommit_Java/lastCompletedBuild/) | [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Apex/lastCompletedBuild/) | [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Dataflow/lastCompletedBuild/) | [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Flink/lastCompletedBuild/)<br>[](https://builds.apache.org/job/beam_PostCommit_Java_PVR_Flink_Batch/lastCompletedBuild/)<br>[](https://builds.apache.org/job/beam_PostCommit_Java_PVR_Flink_Streaming/lastCompletedBuild/) | [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Gearpump/lastCompletedBuild/) | [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Samza/lastCompletedBuild/) | [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Spark/lastCompletedBuild/)
Python | [](https://builds.apache.org/job/beam_PostCommit_Python_Verify/lastCompletedBuild/) | --- | [](https://builds.apache.org/job/beam_PostCommit_Py_VR_Dataflow/lastCompletedBuild/) </br> [](https://builds.apache.org/job/beam_PostCommit_Py_ValCont/lastCompletedBuild/) | [](https://builds.apache.org/job/beam_PostCommit_Python_VR_Flink/lastCompletedBuild/) | --- | --- | ---
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
users@infra.apache.org
Issue Time Tracking
-------------------
Worklog Id: (was: 185011)
Time Spent: 10m
Remaining Estimate: 0h
> INTERSECT ALL is not compatible with SQL standard
> -------------------------------------------------
>
> Key: BEAM-6427
> URL: https://issues.apache.org/jira/browse/BEAM-6427
> Project: Beam
> Issue Type: Improvement
> Components: dsl-sql
> Reporter: Rui Wang
> Assignee: Rui Wang
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> say Row R appears m times on one side and n times on another side.
> Beam's INTERSECT ALL is implemented to return MAX(m, n).
> And SQL1999 standard says INTERSECT ALL should return MIN(m, n).
--
This message was sent by Atlassian JIRA
(v7.6.3#76005)