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https://issues.apache.org/jira/browse/ARROW-11342?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Antoine Pitrou resolved ARROW-11342.
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Fix Version/s: 5.0.0
Resolution: Fixed
Issue resolved by pull request 9288
[https://github.com/apache/arrow/pull/9288]
> [Python] [Gandiva] Expose ToString and result type information
> --------------------------------------------------------------
>
> Key: ARROW-11342
> URL: https://issues.apache.org/jira/browse/ARROW-11342
> Project: Apache Arrow
> Issue Type: Improvement
> Reporter: Will Jones
> Assignee: Will Jones
> Priority: Minor
> Labels: pull-request-available
> Fix For: 5.0.0
>
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> To make it easier to build and introspect the expression trees, I would like
> to expose the ToString() methods on Node, Expression, and Condition, as well
> as the methods exposing the fields and types inside.
> {code:python}
> import pyarrow as pa
> import pyarrow.gandiva as gandiva
> builder = gandiva.TreeExprBuilder()
> print(builder.make_literal(1000.0, pa.float64()))
> <pyarrow.gandiva.Node object at 0x7f36fd37ecf0>
> {code}
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