Steven Phillips created DRILL-1617:
--------------------------------------
Summary: Disable ProducerConsumer
Key: DRILL-1617
URL: https://issues.apache.org/jira/browse/DRILL-1617
Project: Apache Drill
Issue Type: Bug
Reporter: Steven Phillips
This operator causes incorrect query results:
0: jdbc:drill:schema=dfs.par100> alter session set
`planner.add_producer_consumer` = true;
+------------+------------+
| ok | summary |
+------------+------------+
| true | planner.add_producer_consumer updated. |
+------------+------------+
1 row selected (0.053 seconds)
0: jdbc:drill:schema=dfs.par100> select count(l_orderkey) from lineitem;
+------------+
| EXPR$0 |
+------------+
| 600037902 |
+------------+
1 row selected (0.212 seconds)
0: jdbc:drill:schema=dfs.par100> select count(l_orderkey) from lineitem where 1
= 1;
+------------+
| EXPR$0 |
+------------+
| 569114624 |
+------------+
1 row selected (2.163 seconds)
0: jdbc:drill:schema=dfs.par100> alter session set
`planner.add_producer_consumer` = false;
+------------+------------+
| ok | summary |
+------------+------------+
| true | planner.add_producer_consumer updated. |
+------------+------------+
1 row selected (0.046 seconds)
0: jdbc:drill:schema=dfs.par100> select count(l_orderkey) from lineitem where 1
= 1;
+------------+
| EXPR$0 |
+------------+
| 600037902 |
+------------+
1 row selected (2.657 seconds)
As an immediate fix, we should disable this operator.
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