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https://issues.apache.org/jira/browse/SPARK-47102?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mihailo Milosevic updated SPARK-47102:
--------------------------------------
    Description: 
*What changes were proposed in this pull request?*
This PR adds COLLATION_ENABLED config to `SQLConf` and introduces new error 
class `COLLATION_SUPPORT_DISABLED` to appropriately report error on usage of 
feature under development. 

*Why are the changes needed?*
We want to make collations configurable on this some flag. These changes 
disable usage of `collate` and `collation` functions, along with any `COLLATE` 
syntax when the flag is set to false. By default, the flag is set to false.

  was:
### What changes were proposed in this pull request?
This PR adds COLLATION_ENABLED config to `SQLConf` and introduces new error 
class `COLLATION_SUPPORT_DISABLED` to appropriately report error on usage of 
feature under development. 

### Why are the changes needed?
We want to make collations configurable on this some flag. These changes 
disable usage of `collate` and `collation` functions, along with any `COLLATE` 
syntax when the flag is set to false. By default, the flag is set to false.


> Add COLLATION_ENABLED config flag
> ---------------------------------
>
>                 Key: SPARK-47102
>                 URL: https://issues.apache.org/jira/browse/SPARK-47102
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 4.0.0
>            Reporter: Mihailo Milosevic
>            Priority: Major
>              Labels: pull-request-available
>
> *What changes were proposed in this pull request?*
> This PR adds COLLATION_ENABLED config to `SQLConf` and introduces new error 
> class `COLLATION_SUPPORT_DISABLED` to appropriately report error on usage of 
> feature under development. 
> *Why are the changes needed?*
> We want to make collations configurable on this some flag. These changes 
> disable usage of `collate` and `collation` functions, along with any 
> `COLLATE` syntax when the flag is set to false. By default, the flag is set 
> to false.



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