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https://issues.apache.org/jira/browse/ARROW-11432?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17286419#comment-17286419
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R J commented on ARROW-11432:
-----------------------------
When building a schema using
`datafusion::logical_plan::plan::LogicalPlan::schema()` the returned schema
lacks a table qualifier. I think when building the TableScan, it allocates a
table_name, but the returned`datafusion::logical_plan::dfschema::DFField`'s
have no reference to the provided table name. Attempting to join the schemas
(in `datafusion::logical_plan::dfschema::DFSchema::new`) then results in a list
of fields with conflicting names as they lack qualifiers.
I am new to DataFusion but would be happy to add some unit tests and try to
look at this on the weekend.
> [Rust][DataFusion] Join Statement: Schema contains duplicate unqualified
> field name
> -----------------------------------------------------------------------------------
>
> Key: ARROW-11432
> URL: https://issues.apache.org/jira/browse/ARROW-11432
> Project: Apache Arrow
> Issue Type: Bug
> Components: Rust - DataFusion
> Affects Versions: 3.0.0
> Reporter: GANG LIAO
> Priority: Critical
>
> https://github.com/apache/arrow/issues/9307
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