Denys Ordynskiy created DRILL-6932:
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             Summary: Drill can't submit Physical plan, returned by submitting 
Logical plan
                 Key: DRILL-6932
                 URL: https://issues.apache.org/jira/browse/DRILL-6932
             Project: Apache Drill
          Issue Type: Bug
    Affects Versions: 1.14.0
            Reporter: Denys Ordynskiy


*Description:*
Drill WebUI allows to submit Logical plan and returns 2 types of a result:
- "resultMode" : "EXEC" - to get query result set
- "resultMode" : "PHYSICAL" - to get Physical plan of the query

If I get Physical plan by submiting Logical plan with "resultMode" : "PHYSICAL",
this Physical plan throws an error after submiting it.

*Steps to reproduce issue in a Drill WebUI:*
- get Logical plan by running query "EXPLAIN PLAN WITHOUT IMPLEMENTATION FOR 
SELECT * FROM cp.`employee.json` LIMIT 2";
- change "resultMode" from "LOGICAL" to "PHYSICAL";
- select "Query Type" - "LOGICAL" and submit Logical plan and get Physical plan;
- select "Query Type" - "PHYSICAL" and submit Physical plan;

*Actual result:*
{color:#d04437}*Query Failed: An Error Occurred*
org.apache.drill.common.exceptions.UserRemoteException: SYSTEM ERROR: 
IllegalStateException: Already had POJO for id (java.lang.Integer) [[ObjectId: 
key=0, 
type=com.fasterxml.jackson.databind.deser.impl.PropertyBasedObjectIdGenerator, 
scope=java.lang.Object]] Please, refer to logs for more information. [Error Id: 
f7a2422f-55e8-4478-9e22-1008175ce9b6 on maprhost:31010]{color}

*Expected result:*
result set for the original query "SELECT * FROM cp.`employee.json` LIMIT 2"



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