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Posted to issues@beam.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2020/08/21 19:30:00 UTC
[jira] [Work logged] (BEAM-10783) ZetaSQL failed on WITH queries
because wrong ref column index calculated in JoinScanWithRefConverter
[ https://issues.apache.org/jira/browse/BEAM-10783?focusedWorklogId=473419&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-473419 ]
ASF GitHub Bot logged work on BEAM-10783:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 21/Aug/20 19:29
Start Date: 21/Aug/20 19:29
Worklog Time Spent: 10m
Work Description: amaliujia commented on pull request #12648:
URL: https://github.com/apache/beam/pull/12648#issuecomment-678454929
Have you try this PR internally to see whether there is a regression on the WITH clause support?
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Worklog Id: (was: 473419)
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Time Spent: 10m
> ZetaSQL failed on WITH queries because wrong ref column index calculated in JoinScanWithRefConverter
> ----------------------------------------------------------------------------------------------------
>
> Key: BEAM-10783
> URL: https://issues.apache.org/jira/browse/BEAM-10783
> Project: Beam
> Issue Type: Bug
> Components: dsl-sql-zetasql
> Reporter: Robin Qiu
> Assignee: Robin Qiu
> Priority: P2
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Some WITH queries, like:
> WITH t1 AS (select 1 AS k), t2 AS (select 1 AS k), t3 AS (select 1 AS k)
> SELECT COUNT\(*\)
> FROM t1 JOIN t3 USING (k)
> failed on ZetaSQL because how column index is calculated in JoinScanWithRefConverter is not correct.
>
> In fact, the other converter responsible for JOINs, JoinScanConverter, has the correct implementation, and that works fine for JOINs that has reference to WITH queries. So I believe we should delete the incorrect JoinScanWithRefConverter class and move to the other one.
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