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https://issues.apache.org/jira/browse/CALCITE-6900?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17937013#comment-17937013
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Yu Xu edited comment on CALCITE-6900 at 3/20/25 6:23 AM:
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[~jensen] Clickhouse support char with FixedString and varchar with String
type, can refer handle it with FixedString, master branch CK not support char
and we need to keep compatible with history version
was (Author: JIRAUSER307770):
[~jensen] Clickhouse support char with FixedString and varchar with String
type, can refer handle it with FixedString
> Support Char type cast in ClickHouse Dialect
> --------------------------------------------
>
> Key: CALCITE-6900
> URL: https://issues.apache.org/jira/browse/CALCITE-6900
> Project: Calcite
> Issue Type: Improvement
> Components: core
> Affects Versions: 1.39.0
> Reporter: Yu Xu
> Assignee: Yu Xu
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.40.0
>
>
> Currently ClickHouse Dialect can not support Char type cast.
> ClickHouse use String type to support varchar and FixedString type to support
> char type,
> need to support it in Calcite.
>
> ClickHouse column type can refer to:
> https://clickhouse.com/docs/sql-reference/data-types
>
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