[jira] [Assigned] (SPARK-54343) Document IDENTIFIER clause and parameter marker improvements

["Daniel Tenedorio (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-54343?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Daniel Tenedorio reassigned SPARK-54343:
----------------------------------------

    Assignee: Serge Rielau

> Document IDENTIFIER clause and parameter marker improvements
> ------------------------------------------------------------
>
>                 Key: SPARK-54343
>                 URL: https://issues.apache.org/jira/browse/SPARK-54343
>             Project: Spark
>          Issue Type: Improvement
>          Components: Documentation
>    Affects Versions: 4.2.0
>            Reporter: Serge Rielau
>            Assignee: Serge Rielau
>            Priority: Major
>              Labels: pull-request-available
>
> The following three improvements need to be documented:
>  * Parameter markers are allowed in SQL wherever literals are allowed (not just in expressions
>  * String coalescing can be don wherever strings literals are allowed (not just in expressions)
>  * The IDENTIFIER clause is allowed everywhere identifiers are allowed, as long as the input is a literal string (whcih may be coalesced and teh result of parameter substitution.
>  



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