[jira] [Created] (DRILL-3294) False schema change exception in CTAS with AVG window function

["Victoria Markman (JIRA)" <ji...@apache.org>]

Victoria Markman created DRILL-3294:
---------------------------------------

             Summary: False schema change exception in CTAS with AVG window function
                 Key: DRILL-3294
                 URL: https://issues.apache.org/jira/browse/DRILL-3294
             Project: Apache Drill
          Issue Type: Bug
          Components: Execution - Relational Operators
    Affects Versions: 1.0.0
            Reporter: Victoria Markman
            Assignee: Chris Westin


This bug could be related to DRILL-3293, but since it's a different function and different symptom, I'm filing a new one.

{code}
0: jdbc:drill:schema=dfs> create table wf_t1(a1) as select avg(a1) over(partition by a1) from t1;
Error: SYSTEM ERROR: org.apache.drill.exec.exception.SchemaChangeException: Failure while trying to materialize incoming schema.  Errors:
 
Error in expression at index -1.  Error: Missing function implementation: [castTINYINT(NULL-OPTIONAL)].  Full expression: --UNKNOWN EXPRESSION--..

Fragment 0:0

[Error Id: 1ca5af3a-0ea7-4b75-b493-74f6404d4894 on atsqa4-133.qa.lab:31010] (state=,code=0)
{code}

Query works correctly by itself:
{code}
0: jdbc:drill:schema=dfs> select avg(a1) over(partition by a1) from t1;
+---------+
| EXPR$0  |
+---------+
| 1       |
| 2       |
| 3       |
| 4       |
| 5       |
| 6       |
| 7       |
| 9       |
| 10      |
| null    |
+---------+
10 rows selected (0.181 seconds)
{code}



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