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From "Steven Phillips (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DRILL-1617) Disable ProducerConsumer
Date Thu, 30 Oct 2014 21:41:34 GMT

     [ https://issues.apache.org/jira/browse/DRILL-1617?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Steven Phillips updated DRILL-1617:
-----------------------------------
    Attachment: DRILL-1617.patch

> Disable ProducerConsumer
> ------------------------
>
>                 Key: DRILL-1617
>                 URL: https://issues.apache.org/jira/browse/DRILL-1617
>             Project: Apache Drill
>          Issue Type: Bug
>            Reporter: Steven Phillips
>         Attachments: DRILL-1617.patch
>
>
> 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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