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https://issues.apache.org/jira/browse/CALCITE-3589?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16997842#comment-16997842
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bingfeng.guo edited comment on CALCITE-3589 at 12/17/19 12:26 PM:
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@[~julianhyde] Thanks for your review，you means the following situations?
I try the case you say in postgresql，The result of postgresql is the same as
what you say
{code:java}
select tablex.A+tabley.A as A
from tablex,tabley
group by A
ERROR: column reference "a" is ambiguou
{code}
was (Author: bingfeng):
@[~julianhyde] Thanks for your review，Are you considering the following
situations?
I try the case you say in postgresql，The result of postgresql is the same as
what you say
{code:java}
select tablex.A+tabley.A as A
from tablex,tabley
group by A
ERROR: column reference "a" is ambiguou
{code}
> SqlValidatorException when conformation is set to LENIENT
> ---------------------------------------------------------
>
> Key: CALCITE-3589
> URL: https://issues.apache.org/jira/browse/CALCITE-3589
> Project: Calcite
> Issue Type: Bug
> Reporter: bingfeng.guo
> Assignee: bingfeng.guo
> Priority: Critical
> Labels: pull-request-available
> Attachments: 屏幕快照 2019-12-12 下午5.56.24.png
>
> Time Spent: 1h
> Remaining Estimate: 0h
>
> error occurs conditions (all three conditions must be met):
> * conformance = LENIENT
> * The alias of the expression in select is the same as the column name of
> the column used in the expression
> * group by or having use the above expression
> {color:#172b4d}a simple example is as follows：{color}
> {color:#ff8b00}SELECT SELLER_ID + 1 AS SELLER_ID, sum(PRICE){color}
> {color:#ff8b00}FROM TEST_KYLIN_FACT{color}
> {color:#ff8b00}GROUP BY SELLER_ID + 1{color}
> {color:#172b4d}will change to {color}
> {color:#ff8b00}SELECT SELLER_ID + 1 AS SELLER_ID, sum(PRICE){color}
> {color:#ff8b00} FROM TEST_KYLIN_FACT{color}
> {color:#ff8b00} GROUP BY SELLER_ID + 1 + 1{color}
> {color:#172b4d}after
> org.apache.calcite.sql.validate.SqlValidatorImpl#expandGroupByOrHavingExpr{color}
>
>
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