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Posted to dev@calcite.apache.org by "Yu Xu (Jira)" <ji...@apache.org> on 2025/03/19 03:49:00 UTC

[jira] [Created] (CALCITE-6900) Support Char type cast in ClickHouse Dialect

Yu Xu created CALCITE-6900:
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             Summary: 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
             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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