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From "Paul Rogers (JIRA)" <j...@apache.org>
Subject [jira] [Issue Comment Deleted] (DRILL-5364) Invalid
Date Fri, 17 Mar 2017 21:48:41 GMT

     [ https://issues.apache.org/jira/browse/DRILL-5364?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Paul Rogers updated DRILL-5364:
-------------------------------
    Comment: was deleted

(was: Was: Planner inserts sort for simple constant value query	

Closing because this represented confusion on the submitter's part.)

> Invalid
> -------
>
>                 Key: DRILL-5364
>                 URL: https://issues.apache.org/jira/browse/DRILL-5364
>             Project: Apache Drill
>          Issue Type: Bug
>    Affects Versions: 1.10.0
>            Reporter: Paul Rogers
>            Priority: Minor
>
> Consider the following query:
> {code}
> SELECT CURRENT_TIMESTAMP FROM (VALUES(1))
> {code}
> The following is the plan generated for the query. Notice the inclusion of an unnecessary
sort.
> {code}
>   "graph" : [ {
>     "pop" : "Values",
>     "@id" : 4,
>     "content" : [ {
>       "EXPR$0" : {
>         "$numberLong" : 1
>       }
>     } ],
>     "initialAllocation" : 1000000,
>     "maxAllocation" : 10000000000,
>     "cost" : 1.0
>   }, {
>     "pop" : "project",
>     "@id" : 3,
>     "exprs" : [ {
>       "ref" : "`CURRENT_TIMESTAMP`",
>       "expr" : "current_timestamp() "
>     } ],
>     "child" : 4,
>     "initialAllocation" : 1000000,
>     "maxAllocation" : 10000000000,
>     "cost" : 1.0
>   }, {
>     "pop" : "external-sort",
>     "@id" : 2,
>     "child" : 3,
>     "orderings" : [ {
>       "order" : "ASC",
>       "expr" : "`CURRENT_TIMESTAMP`",
>       "nullDirection" : "UNSPECIFIED"
>     } ],
>     "reverse" : false,
>     "initialAllocation" : 20000000,
>     "maxAllocation" : 10000000000,
>     "cost" : 1.0
>   }, {
>     "pop" : "selection-vector-remover",
>     "@id" : 1,
>     "child" : 2,
>     "initialAllocation" : 1000000,
>     "maxAllocation" : 10000000000,
>     "cost" : 1.0
>   }, {
>     "pop" : "screen",
>     "@id" : 0,
>     "child" : 1,
>     "initialAllocation" : 1000000,
>     "maxAllocation" : 10000000000,
>     "cost" : 1.0
>   } ]
> {code}



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