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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-3510) Add ANSI_QUOTES option so that Drill's SQL Parser will recognize ANSI_SQL identifiers
Date Thu, 07 Jul 2016 21:28:11 GMT

    [ https://issues.apache.org/jira/browse/DRILL-3510?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15366805#comment-15366805
] 

ASF GitHub Bot commented on DRILL-3510:
---------------------------------------

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

    https://github.com/apache/drill/pull/520#discussion_r69990725
  
    --- Diff: exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DrillSqlWorker.java
---
    @@ -61,7 +61,8 @@ public static PhysicalPlan getPlan(QueryContext context, String sql,
Pointer<Str
             context.getNewDefaultSchema(),
             context.getDrillOperatorTable(),
             (UdfUtilities) context,
    -        context.getFunctionRegistry());
    +        context.getFunctionRegistry(),
    +        context.getOptions());
    --- End diff --
    
    SqlConverter already has pass in PlannerSettings(), why would you pass in another option
manager? 


> 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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