[jira] [Commented] (IMPALA-10086) SqlCastException when comparing char with varchar

["Michael Smith (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/IMPALA-10086?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17763857#comment-17763857 ] 

Michael Smith commented on IMPALA-10086:
----------------------------------------

Regression for anyone upgrading from Impala 3.2.0.

> SqlCastException when comparing char with varchar
> -------------------------------------------------
>
>                 Key: IMPALA-10086
>                 URL: https://issues.apache.org/jira/browse/IMPALA-10086
>             Project: IMPALA
>          Issue Type: Bug
>          Components: Frontend
>    Affects Versions: Impala 4.0.0, Impala 3.3.0
>            Reporter: Tim Armstrong
>            Assignee: Michael Smith
>            Priority: Critical
>              Labels: newbie, ramp-up
>
> {noformat}
> [localhost:21000] default> select 'expected 2',count(*) from ax where cast(t as string) = cast('a         ' as varchar(10));
> +--------------+----------+
> | 'expected 2' | count(*) |
> +--------------+----------+
> | expected 2   | 2        |
> +--------------+----------+
> Fetched 1 row(s) in 0.44s
> [localhost:21000] default> create table chartbl (c char(10));
> +-------------------------+
> | summary                 |
> +-------------------------+
> | Table has been created. |
> +-------------------------+
> Fetched 1 row(s) in 0.23s
> [localhost:21000] default> select * from chartbl where c = cast('test' as varchar(10));
> ERROR: SqlCastException: targetType=VARCHAR(*) type=VARCHAR(10)
> {noformat}
> Also using the functional dataset:
> {noformat}
> [localhost:21000] functional> select * from chars_tiny where cs = vc;
> ERROR: SqlCastException: targetType=VARCHAR(*) type=VARCHAR(5)
> {noformat}



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