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https://issues.apache.org/jira/browse/KYLIN-3072?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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peng.jianhua updated KYLIN-3072:
--------------------------------
    Description: 
select * from kylin_sales /\*comments--comments*/

we should remove comments like '/\*comments*/' first,then remove comments like 
'--comments' , or the sql above will have an exception.
please refer to 01.png.

if we exchange the sequence of this two comment patterns,we will get 02.png.

  was:
select * from kylin_sales /\*comments--comments*/

we should remove comments like '/*comments*/' first,then remove comments like 
'--comments' , or the sql above will have an exception.
please refer to 01.png.

if we exchange the sequence of this two comment patterns,we will get 02.png.


> Fix the regular expression in function 'removeCommentInSql'
> -----------------------------------------------------------
>
>                 Key: KYLIN-3072
>                 URL: https://issues.apache.org/jira/browse/KYLIN-3072
>             Project: Kylin
>          Issue Type: Bug
>          Components: Query Engine
>            Reporter: peng.jianhua
>            Assignee: peng.jianhua
>         Attachments: 
> 0001-KYLIN-3072-Fix-the-regular-expression-in-function-re.patch, 01.png, 
> 02.PNG
>
>
> select * from kylin_sales /\*comments--comments*/
> we should remove comments like '/\*comments*/' first,then remove comments 
> like '--comments' , or the sql above will have an exception.
> please refer to 01.png.
> if we exchange the sequence of this two comment patterns,we will get 02.png.



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