[jira] [Commented] (DRILL-4918) Adding 2 dates results in AssertionError: Multiple functions with best cost found

["Julian Hyde (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DRILL-4918?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15534220#comment-15534220 ] 

Julian Hyde commented on DRILL-4918:
------------------------------------

Adding two dates should give a validation error (or runtime error if you have late schema).

> Adding 2 dates results in AssertionError: Multiple functions with best cost found
> ---------------------------------------------------------------------------------
>
>                 Key: DRILL-4918
>                 URL: https://issues.apache.org/jira/browse/DRILL-4918
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Execution - Data Types, Functions - Drill
>            Reporter: Rahul Challapalli
>         Attachments: error.log
>
>
> git.commit.id.abbrev=2295715
> The below query fails
> {code}
> select l_commitdate+l_receiptdate from cp.`tpch/lineitem.parquet`;
> Error: SYSTEM ERROR: AssertionError: Multiple functions with best cost found
> Fragment 0:0
> [Error Id: 983983bd-73e3-45c8-a377-e7022a5899c7 on qa-node182.qa.lab:31010] (state=,code=0)
> {code}
> The more likely scenario is that this operation is not supported. Atleast we should throw a proper error message. I attached the error from the logs



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