[jira] [Created] (ARROW-11697) [Rust] Add provider for user defined function

[qingcheng wu (Jira)]

qingcheng wu created ARROW-11697:
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             Summary: [Rust] Add provider for user defined function
                 Key: ARROW-11697
                 URL: https://issues.apache.org/jira/browse/ARROW-11697
             Project: Apache Arrow
          Issue Type: Improvement
          Components: Rust
            Reporter: qingcheng wu


select database();

we want to get database name in function database(), so add a provider for user 
defined function.



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