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https://issues.apache.org/jira/browse/DRILL-1441?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14143653#comment-14143653
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Julian Hyde commented on DRILL-1441:
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I have logged OPTIQ-420. It's probably best to fix this bug in Optiq.
> Replace sql function requires backticks to avoid parse error
> ------------------------------------------------------------
>
> Key: DRILL-1441
> URL: https://issues.apache.org/jira/browse/DRILL-1441
> Project: Apache Drill
> Issue Type: Bug
> Components: Functions - Drill
> Reporter: Krystal
>
> git.commit.id.abbrev=f8d38b6
> Currently the "replace" function requires to be enclosed within backticks
> (ie. `replace`); otherwise it would fail during the parsing.
> For example the following query fails:
> 0: jdbc:drill:schema=M7> select replace(substring(name,1,10), 'or', 'EA')
> from `dfs.default`.voter where name like 'victor%';
> Query failed: Failure while parsing sql. Encountered "replace" at line 1,
> column 8.
> Was expecting one of:
> "UNION" ...
> "INTERSECT" ...
> "EXCEPT" ...
> .
> .
> .
> The following modified query succeeds:
> 0: jdbc:drill:schema=M7> select `replace`(substring(name,1,10), 'or', 'EA')
> from `dfs.default`.voter where name like 'victor%';
> +------------+
> | EXPR$0 |
> +------------+
> | victEA tho |
> | victEA you |
> | victEA rob |
> | victEA van |
> | victEA rob |
> .
> .
> .
> The parse error was originally filed in this jira:
> https://issues.apache.org/jira/browse/DRILL-738. We should find a way to
> avoid requiring backticks as this is a standard sql function.
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