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Posted to dev@calcite.apache.org by "Lucas Brenner (Jira)" <ji...@apache.org> on 2025/06/25 21:03:00 UTC

[jira] [Created] (CALCITE-7073) Fix: Calcite Fails to Map ByteString to VARBINARY

Lucas Brenner created CALCITE-7073:
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             Summary: Fix: Calcite Fails to Map ByteString to VARBINARY
                 Key: CALCITE-7073
                 URL: https://issues.apache.org/jira/browse/CALCITE-7073
             Project: Calcite
          Issue Type: Bug
          Components: core
            Reporter: Lucas Brenner


Calcite uses {{org.apache.calcite.avatica.util.ByteString}} internally to represent {{{}VARBINARY{}}}. However, when introducing a custom function that returns {{{}ByteString{}}}, such as {{UNBASE64}} (which decodes a Base64 string to bytes), its return type defaults to {{{}OTHER{}}}. This occurs because there is no explicit mapping for {{ByteString}} in the {{JavaToSqlTypeConversionRules}} class. This PR adds the necessary mapping.



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