[jira] [Updated] (DRILL-323) Drill expression parser incorrectly handles expressions that involve math functions with more than 2 inputs

["Mehant Baid (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DRILL-323?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mehant Baid updated DRILL-323:
------------------------------

    Attachment: DRILL-323.patch

Review board link: https://reviews.apache.org/r/16241/

Private repo link: https://github.com/mehant/incubator-drill-2

> Drill expression parser incorrectly handles expressions that involve math functions with more than 2 inputs
> -----------------------------------------------------------------------------------------------------------
>
>                 Key: DRILL-323
>                 URL: https://issues.apache.org/jira/browse/DRILL-323
>             Project: Apache Drill
>          Issue Type: Bug
>            Reporter: Mehant Baid
>            Assignee: Mehant Baid
>         Attachments: DRILL-323.patch
>
>
> While executing the following plan:
> {
>   head : {
>     version : 1,
>     generator : {
>       type : "optiq",
>       info : "na"
>     },
>     type : "APACHE_DRILL_PHYSICAL"
>   },
>          graph:[
>          {
>              @id:1,
>              pop:"mock-scan",
>              url: "http://apache.org",
>              entries:[
>                  {records: 1, types: [
>                    {name: "blue", type: "BIGINT", mode: "REQUIRED"}
>                  ]}
>              ]
>          }, {
>     pop : "project",
>     @id : 2,
>     exprs : [ {
>       ref : "output.EXPR$0",
>       expr : " blue - blue + 1 "
>     } ],
>     child : 1
>   }, {
>     pop : "screen",
>     @id : 3,
>     child : 2
>   } ]
> }
> we will hit the following error: "Failure while running fragment. < UnsupportedOperationException:[ Missing function implementation: [add(BIGINT-REQUIRED, BIGINT-REQUIRED, BIGINT-REQUIRED)] ]"



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