hahayuan created KYLIN-3135:
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             Summary: regular expression of multi line comment pattern was wrong
                 Key: KYLIN-3135
                 URL: https://issues.apache.org/jira/browse/KYLIN-3135
             Project: Kylin
          Issue Type: Bug
            Reporter: hahayuan


Hi,all.
Recently,I was testing query function of kylin,
sometimes I just comment with /**/ instead of delete the sql,cause I need to 
query and compare again.
And I was confused that the results says it was "No Support Sql",but it can 
query success without comments.
For example,
/*
select count(*) from kylin_sales;
*/
select * from kylin_sales;
So I view the code and find the commentPatterns of /**/ was 
"/\\*[^\\*/]*",clearly it was wrong.
The regular expression of [abc] means any character in abc,such as a or b.
So the [^\\*/] means that * or / can't appear,
But under this circumstances the */ need to be as a string not separated 
character.
the */ can't appear not * or / can't appear.
I rewrite the regular expression,"/\\*[\\s\\S]*?\\*/",if you think it's 
necessary,you can review and replace it.



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