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From "Rahul Challapalli (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DRILL-5185) Union all not passing type info when the output contains 0 rows
Date Mon, 09 Jan 2017 22:04:58 GMT
Rahul Challapalli created DRILL-5185:
----------------------------------------

             Summary: Union all not passing type info when the output contains 0 rows
                 Key: DRILL-5185
                 URL: https://issues.apache.org/jira/browse/DRILL-5185
             Project: Apache Drill
          Issue Type: Bug
          Components: Execution - Relational Operators, Query Planning & Optimization
    Affects Versions: 1.10.0
            Reporter: Rahul Challapalli


Version : 1.10.0
git.commit.id.abbrev=4d4e0c2

The below query fails without an explicit cast
{code}
0: jdbc:drill:zk=10.10.100.190:5181> select t1.l_partkey, t2.o_orderdate from (
. . . . . . . . . . . . . . . . . .> select l_orderkey, l_partkey, l_comment from cp.`tpch/lineitem.parquet`
where l_quantity is null
. . . . . . . . . . . . . . . . . .> union 
. . . . . . . . . . . . . . . . . .> select l_orderkey, l_partkey, l_comment from cp.`tpch/lineitem.parquet`
where l_quantity is null
. . . . . . . . . . . . . . . . . .> ) as t1,
. . . . . . . . . . . . . . . . . .> cp.`tpch/orders.parquet` as t2
. . . . . . . . . . . . . . . . . .> where t1.l_comment = t2.o_comment;
Error: SYSTEM ERROR: DrillRuntimeException: Join only supports implicit casts between 1. Numeric
data
 2. Varchar, Varbinary data 3. Date, Timestamp data Left type: VARCHAR, Right type: INT. Add
explicit casts to avoid this error

Fragment 0:0

[Error Id: e09bb8ee-cb1c-48bc-9dce-42ace2d4b80b on qa-node190.qa.lab:31010] (state=,code=0)
{code}




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