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https://issues.apache.org/jira/browse/DRILL-3510?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15410053#comment-15410053
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ASF GitHub Bot commented on DRILL-3510:
---------------------------------------

Github user vdiravka commented on a diff in the pull request:

    https://github.com/apache/drill/pull/520#discussion_r73758593
  
    --- Diff: 
exec/jdbc/src/main/java/org/apache/drill/jdbc/impl/DrillDatabaseMetaDataImpl.java
 ---
    @@ -36,6 +42,7 @@
      */
     class DrillDatabaseMetaDataImpl extends AvaticaDatabaseMetaData
    --- End diff --
    
    A feature to set on the session option ANSI_QUOTES via jdbc connection 
string is added in a new commit.
    For example: `"jdbc:drill:zk=local;ansi_quotes=true"`


> Add ANSI_QUOTES option so that Drill's SQL Parser will recognize ANSI_SQL 
> identifiers 
> --------------------------------------------------------------------------------------
>
>                 Key: DRILL-3510
>                 URL: https://issues.apache.org/jira/browse/DRILL-3510
>             Project: Apache Drill
>          Issue Type: Improvement
>          Components: SQL Parser
>            Reporter: Jinfeng Ni
>            Assignee: Vitalii Diravka
>             Fix For: Future
>
>         Attachments: DRILL-3510.patch, DRILL-3510.patch
>
>
> Currently Drill's SQL parser uses backtick as identifier quotes, the same as 
> what MySQL does. However, this is different from ANSI SQL specification, 
> where double quote is used as identifier quotes.  
> MySQL has an option "ANSI_QUOTES", which could be switched on/off by user. 
> Drill should follow the same way, so that Drill users do not have to rewrite 
> their existing queries, if their queries use double quotes. 
> {code}
> SET sql_mode='ANSI_QUOTES';
> {code}
>    



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