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https://issues.apache.org/jira/browse/ARROW-9751?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jorge updated ARROW-9751:
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Comment: was deleted
(was: Most math functions accept float32 and float64, `length` will accept Utf8
and lists soon, etc.
The goal of this story is to allow UDFs to accept more than one datatype.
Design: the accepted datatypes should be a vector ordered by "faster/smaller"
to "slower/larger" (cpu/memory). When the plan reaches a UDF, we try to cast
the input expression like before, type by type.
)
> [Rust] [DataFusion] Extend UDFs to accept more than one type per argument
> -------------------------------------------------------------------------
>
> Key: ARROW-9751
> URL: https://issues.apache.org/jira/browse/ARROW-9751
> Project: Apache Arrow
> Issue Type: New Feature
> Components: Rust, Rust - DataFusion
> Reporter: Jorge
> Assignee: Jorge
> Priority: Major
>
> Most math functions accept float32 and float64, `length` will accept Utf8 and
> lists soon, etc.
> The goal of this story is to allow UDFs to accept more than one datatype.
> Design: the accepted datatypes should be a vector ordered by "faster/smaller"
> to "slower/larger" (cpu/memory). When the plan reaches a UDF, we try to cast
> the input expression like before, type by type.
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