Github user asfgit closed the pull request at:
https://github.com/apache/spark/pull/15506
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GitHub user weiqingy opened a pull request:
https://github.com/apache/spark/pull/15506
[MINOR][SQL] Add prettyName for current_database function
## What changes were proposed in this pull request?
Added a `prettyname` for current_database function.
## How was this patch
