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Posted to jira@arrow.apache.org by "Kirill Lykov (Jira)" <ji...@apache.org> on 2021/04/05 13:50:00 UTC
[jira] [Commented] (ARROW-10154) [Python][Gandiva] Add Gandiva
documentation to Python docs
[ https://issues.apache.org/jira/browse/ARROW-10154?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17314878#comment-17314878 ]
Kirill Lykov commented on ARROW-10154:
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I couldn't find a separate Jira about C++/Gandiva documentation, so will write here.
I would like to add example of using gandiva on C++ and would be interested in early feedback.
In particular, I had in mind to write a simple hand-written parser for sql-like language with variables and arithmetical operations (+,-,*) and probably some logical expressions (filtering). I though to limit number of variables to three and use predefined values to simplify the code.
> [Python][Gandiva] Add Gandiva documentation to Python docs
> ----------------------------------------------------------
>
> Key: ARROW-10154
> URL: https://issues.apache.org/jira/browse/ARROW-10154
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++ - Gandiva, Python
> Reporter: Will Jones
> Assignee: Will Jones
> Priority: Minor
> Labels: documentation, gandiva, pull-request-available
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> I am looking at using Gandiva's Python bindings in an experimental project, and noticed there aren't any Sphinx docs. Assuming it's not too early, I would be willing to add documentation in Sphinx.
> Two starting points for documentation:
> * A how-to for creating filters and projections using the builders. The first part of this blog post gives the right idea: [https://blog.christianperone.com/2020/01/gandiva-using-llvm-and-arrow-to-jit-and-evaluate-pandas-expressions/]
> * API reference. If possible, it would be cool to have a table listing all of the available functions in the registry.
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