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From "Victoria Markman (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DRILL-2433) Implicit cast between date and timestamp is missing in joins
Date Wed, 11 Mar 2015 18:56:39 GMT
Victoria Markman created DRILL-2433:
---------------------------------------

             Summary: Implicit cast between date and timestamp is missing in joins
                 Key: DRILL-2433
                 URL: https://issues.apache.org/jira/browse/DRILL-2433
             Project: Apache Drill
          Issue Type: Improvement
          Components: Execution - Data Types
            Reporter: Victoria Markman
            Assignee: Daniel Barclay (Drill)


{code}
0: jdbc:drill:schema=dfs> select count(*) from cast_tbl_1 a, cast_tbl_2 b where a.c_timestamp
= b.c_date;
Query failed: RemoteRpcException: Failure while running fragment., Failure finding function
that runtime code generation expected.  Signature: compare_to_nulls_high( DATE:OPTIONAL, TIMESTAMP:OPTIONAL
) returns INT:REQUIRED [ e17b546e-81ec-49f0-ac91-f5714f570971 on atsqa4-134.qa.lab:31010 ]
[ e17b546e-81ec-49f0-ac91-f5714f570971 on atsqa4-134.qa.lab:31010 ]
Error: exception while executing query: Failure while executing query. (state=,code=0)
{code}

This is inconsistent with our UNION ALL implementation.
{code}
0: jdbc:drill:schema=dfs> select c_date from cast_tbl_1 union all select c_timestamp from
cast_tbl_2 order by c_date limit 5;
+------------+
|   c_date   |
+------------+
| 1960-01-03 00:00:00.0 |
| 1960-01-03 00:00:00.0 |
| 1960-01-05 00:00:00.0 |
| 1960-01-05 00:00:00.0 |
| 1960-01-08 00:00:00.0 |
+------------+
5 rows selected (0.276 seconds)
{code}



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