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https://issues.apache.org/jira/browse/HIVE-29773?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18127920#comment-18127920
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Denys Kuzmenko commented on HIVE-29773:
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Merged to master
Thanks for the reviews, [~Aggarwal_Raghav], [~difin]!
> Iceberg: Support CAST(x AS VARIANT)
> -----------------------------------
>
> Key: HIVE-29773
> URL: https://issues.apache.org/jira/browse/HIVE-29773
> Project: Hive
> Issue Type: Sub-task
> Components: Iceberg integration
> Affects Versions: 4.2.0
> Reporter: Denys Kuzmenko
> Assignee: Denys Kuzmenko
> Priority: Major
> Labels: pull-request-available
>
> CAST(x AS VARIANT) (also callable as variant(x)) builds a variant whose
> primitive type matches the input:
> - supported inputs: boolean, integral types, float, double, decimal,
> string/char/varchar, binary, date, timestamp and
> timestamp with local time zone (truncated to microseconds), arrays element
> by element, and a variant (identity);
> - struct and map inputs are rejected at compile time, as in Spark.
> parse_json goes through JSON text, which has no binary, date or timestamp
> types, so those values end up as strings;
> the cast keeps their type.
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