[jira] [Commented] (DRILL-5363) CURRENT_TIMESTAMP() documented, but not actually available in Drill

["Khurram Faraaz (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DRILL-5363?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15929430#comment-15929430 ] 

Khurram Faraaz commented on DRILL-5363:
---------------------------------------

Same as CURRENT_DATE, CURRENT_TIMESTAMP also works without open and close parentheses.

{noformat}
0: jdbc:drill:schema=dfs.tmp> select CURRENT_TIMESTAMP FROM (values(1));
+--------------------------+
|    CURRENT_TIMESTAMP     |
+--------------------------+
| 2017-03-17 05:15:07.719  |
+--------------------------+
1 row selected (0.247 seconds)
{noformat}

> CURRENT_TIMESTAMP() documented, but not actually available in Drill
> -------------------------------------------------------------------
>
>                 Key: DRILL-5363
>                 URL: https://issues.apache.org/jira/browse/DRILL-5363
>             Project: Apache Drill
>          Issue Type: Bug
>            Reporter: Paul Rogers
>
> The [Drill documentation|http://drill.apache.org/docs/date-time-functions-and-arithmetic/] describes a CURRENT_TIMESTAMP() function. Tried the following query:
> {code}
> SELECT CURRENT_TIMESTAMP() FROM (VALUES(1))
> {code}
> Got the following errors:
> {code}
> SEVERE: org.apache.calcite.sql.validate.SqlValidatorException: No match found for function signature CURRENT_TIMESTAMP()
> SEVERE: org.apache.calcite.runtime.CalciteContextException: From line 1, column 8 to line 1, column 26: No match found for function signature CURRENT_TIMESTAMP()
> {code}
> Please:
> * Implement the function, or
> * Remove the function from the documentation, or
> * Leave the function in the docs, but add a footnote saying that the function is not yet available.
> Note that Drill provides a {{NOW()}} function which does work and would seem to do exactly the same as the non-existent {{CURRENT_TIMESTAMP()}} function.



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