awmatheson opened a new pull request, #27000:
URL: https://github.com/apache/flink/pull/27000
## Contribution Checklist
- Make sure that the change passes the automated tests, i.e., `mvn clean
verify` passes. You can set up Azure Pipelines CI to do that following [this
guide](https://cwiki.apache.org/confluence/display/FLINK/Azure+Pipelines#AzurePipelines-Tutorial:SettingupAzurePipelinesforaforkoftheFlinkrepository).
## What is the purpose of the change
Currently, the CREATE FUNCTION USING syntax only supports JAR resources,
which limits the flexibility for specifying different types of dependencies for
user-defined functions. Users need the ability to specify artifact dependencies
in addition to JAR files.
## Brief change log
1. Parser Configuration
* Added ARTIFACT keyword to Parser.tdd in both keywords and
nonReservedKeywords lists
* Added ARTIFACT to SqlResourceType enum
2. Parser Implementation
* Modified SqlResourceInfo() method in parserImpls.ftl to accept ARTIFACT
resources
* Updated method signature to accept functionLanguage parameter for
validation
* Implemented flexible validation logic:
* JAR resources: Only allowed for JAVA and SCALA languages
* ARTIFACT resources: Allowed for all languages (JAVA, SCALA, SQL, PYTHON)
3. Testing
* Added tests for ARTIFACT syntax with all supported languages
* Added tests for validation rules (ensuring proper blocking/allowing)
* Added tests for multiple artifact resources
## Does this pull request potentially affect one of the following parts:
- Modifies
## Documentation
- TODO
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