[jira] [Commented] (ARROW-10817) [Rust] [DataFusion] Implement TypedString

["Mike Seddon (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ARROW-10817?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17246133#comment-17246133 ] 

Mike Seddon commented on ARROW-10817:
-------------------------------------

[~andygrove] You refer to this functionality as `TypedString` in the sqlparser: https://github.com/ballista-compute/sqlparser-rs/blob/main/src/ast/mod.rs#L216

Do you know it's official name (as per ANSI SQL standard) so I can investigate rules? It is very hard to google.

> [Rust] [DataFusion] Implement TypedString
> -----------------------------------------
>
>                 Key: ARROW-10817
>                 URL: https://issues.apache.org/jira/browse/ARROW-10817
>             Project: Apache Arrow
>          Issue Type: New Feature
>          Components: Rust - DataFusion
>    Affects Versions: 3.0.0
>            Reporter: Mike Seddon
>            Assignee: Mike Seddon
>            Priority: Major
>
> Of the 22 TPC-H queries, 11 rely on what I am calling 'inline casting' of dates e.g.:
> l_shipdate <= *date* '1998-12-01' 
> We need to be able to parse this to the correct `CastExpr`.



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