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https://issues.apache.org/jira/browse/ARROW-9837?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17182856#comment-17182856
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Jorge commented on ARROW-9837:
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Hi, and thank you for this proposal.
Could you help me understand where does these variables come from? Why can't
you just inject them as literals to the SQL statement, e.g. {{SELECT c1 +
'test-...' FROM ...}}
Programatically, this can be achieved via the {{lit}} function, no?
> [Rust] Add provider for variable
> --------------------------------
>
> Key: ARROW-9837
> URL: https://issues.apache.org/jira/browse/ARROW-9837
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Rust
> Reporter: qingcheng wu
> Priority: Major
> Labels: pull-request-available
> Time Spent: 20m
> Remaining Estimate: 0h
>
> Select @@version;
> @@version is a variable, and if we want to get its value, we should get it
> from outside the system,
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