[jira] [Closed] (DRILL-5001) Join only supports implicit casts error even when I have explicit cast

["Rahul Challapalli (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DRILL-5001?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rahul Challapalli closed DRILL-5001.
------------------------------------

> Join only supports implicit casts error even when I have explicit cast
> ----------------------------------------------------------------------
>
>                 Key: DRILL-5001
>                 URL: https://issues.apache.org/jira/browse/DRILL-5001
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Query Planning & Optimization
>            Reporter: Rahul Challapalli
>         Attachments: error.log, fewtypes_null_large.tgz
>
>
> git.commit.id.abbrev=190d5d4
> The below query fails even when I had an explicit cast on the right hand side of the join condition. The data also contains a metadata cache
> {code}
> select
>   a.int_col,
>   b.date_col 
> from
>   dfs. `/ drill / testdata / parquet_date / metadata_cache / mixed / fewtypes_null_large ` a 
>   inner join
>     (
>       select
>         * 
>       from
>         dfs. `/ drill / testdata / parquet_date / metadata_cache / mixed / fewtypes_null_large ` 
>       where
>         dir0 = '1.2' 
>         and date_col > '1996-03-07' 
>     )
>     b 
>     on a.date_col = cast(date_add(b.date_col, 5) as date) 
> where
>   a.int_col = 7 
>   and a.dir0 = '1.9' 
> group by
>   a.int_col,
>   b.date_col;
> Error: SYSTEM ERROR: DrillRuntimeException: Join only supports implicit casts between 1. Numeric data
>  2. Varchar, Varbinary data 3. Date, Timestamp data Left type: DATE, Right type: VARCHAR. Add explicit casts to avoid this error
> Fragment 2:0
> [Error Id: a1b26420-af35-4892-9a87-d9b04e4423dc on qa-node190.qa.lab:31010] (state=,code=0)
> {code}
> I attached the data and the log file.



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