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https://issues.apache.org/jira/browse/DRILL-3510?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14645147#comment-14645147
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Daniel Barclay (Drill) commented on DRILL-3510:
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Hey, wait a minute--is there any reason Drill can't accept both syntaxes
(backtick-quoted identifiers and double-quoted identifiers)? Accepting one
doesn't seem to have any grammatical clash with accepting the other.
> 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: Aman Sinha
> Fix For: 1.3.0
>
> Attachments: 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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