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https://issues.apache.org/jira/browse/HIVE-24157?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zoltan Haindrich reassigned HIVE-24157:
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Assignee: Zoltan Haindrich
> Strict mode to fail on CAST timestamp <-> numeric
> -------------------------------------------------
>
> Key: HIVE-24157
> URL: https://issues.apache.org/jira/browse/HIVE-24157
> Project: Hive
> Issue Type: Improvement
> Components: SQL
> Reporter: Jesus Camacho Rodriguez
> Assignee: Zoltan Haindrich
> Priority: Major
>
> There is some interest in enforcing that CAST numeric <\-> timestamp is
> disallowed to avoid confusion among users, e.g., SQL standard does not allow
> numeric <\-> timestamp casting, timestamp type is timezone agnostic, etc.
> We should introduce a strict config for timestamp (similar to others before):
> If the config is true, we shall fail while compiling the query with a
> meaningful message.
> To provide similar behavior, Hive has multiple functions that provide clearer
> semantics for numeric to timestamp conversion (and vice versa):
> https://cwiki.apache.org/confluence/display/Hive/LanguageManual+UDF#LanguageManualUDF-DateFunctions
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