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https://issues.apache.org/jira/browse/FLINK-26355?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17498013#comment-17498013
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luoyuxia commented on FLINK-26355:
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[~zoucao]Thanks for your attention. Welcome to do contribution for Flink.
Currently, I mainly focus on
[FLINK-26360|https://issues.apache.org/jira/browse/FLINK-26360] to improve the
experience about using Hive dialect / hive udf or others involved with Hive.
There're many tasks to do, in the following days, I'll add more sub tasks with
detail description, some of which will post the sql that'll cause exception.
With that, I think what to do and how to do in the corresponding jira will be
clear. Feel free to take any of them if you would like. You only need to
comment in the jira , and we're glad to assign it to you.
By the way, if you have ever encountered any problems with flink, welcome to
open a jira to us.
> VarCharType was not be considered in HiveTableSqlFunction
> ---------------------------------------------------------
>
> Key: FLINK-26355
> URL: https://issues.apache.org/jira/browse/FLINK-26355
> Project: Flink
> Issue Type: Improvement
> Components: Table SQL / Ecosystem
> Reporter: zoucao
> Priority: Major
>
> VarCharType was not be considered in `HiveTableSqlFunction#coerce`, see
> [link|https://github.com/apache/flink/blob/a7192af8707f3f0d0f30fc71f3477edd92135cac/flink-table/flink-table-planner/src/main/java/org/apache/flink/table/planner/functions/utils/HiveTableSqlFunction.java#L146],
> before invoke `HiveTableSqlFunction#coerce`, flink will call the method
> `createFieldTypeFromLogicalType` to build argumentsArray, if the field's type
> is varchar, the exception will be thrown.
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