[jira] [Resolved] (CALCITE-5621) Support UDT declarations from root of JSON schema model

["Julian Hyde (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CALCITE-5621?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Julian Hyde resolved CALCITE-5621.
----------------------------------
    Fix Version/s: 1.35.0
       Resolution: Fixed

Fixed in [5d93ed4c|https://github.com/apache/calcite/commit/5d93ed4c89f048d30f83e6046159920044f4a8fe]; thanks for the PR, [~tjbanghart]!

> Support UDT declarations from root of JSON schema model
> -------------------------------------------------------
>
>                 Key: CALCITE-5621
>                 URL: https://issues.apache.org/jira/browse/CALCITE-5621
>             Project: Calcite
>          Issue Type: Improvement
>          Components: core
>            Reporter: TJ Banghart
>            Assignee: TJ Banghart
>            Priority: Minor
>              Labels: pull-request-available
>             Fix For: 1.35.0
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> Related to CALCITE-5346. 
> This change would allow for declaring user-defined types at the root of a schema model and allows for easy type alias mapping. 
> These data types are shared by all schema in the model so cast and DDL expressions do not need to scope data type references to a particular sub-schema. 
> For example: 
> {code}
> ...
>   "inline":{
>     "version":"1.0",
>     "types":[
>       {
>         "name":"BOOL",
>         "type":"BOOLEAN"
>       },
>       {
>         "name":"BYTES",
>         "type":"VARBINARY"
>       }
>     ]
> ...
> {code}
> Would allow for {{CAST("true" as BOOL)}}



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