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https://issues.apache.org/jira/browse/IMPALA-10086?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Smith updated IMPALA-10086:
-----------------------------------
Affects Version/s: Impala 3.4.0
> 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 3.4.0
> Reporter: Tim Armstrong
> Assignee: Michael Smith
> Priority: Major
> 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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