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https://issues.apache.org/jira/browse/ARROW-10118?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17239845#comment-17239845
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Neville Dipale commented on ARROW-10118:
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[~andygrove] why is it not practical to parse the JSON files first to get the
schema?
> [Rust] [DataFusion] Add support for JSON data sources
> -----------------------------------------------------
>
> Key: ARROW-10118
> URL: https://issues.apache.org/jira/browse/ARROW-10118
> Project: Apache Arrow
> Issue Type: New Feature
> Components: Rust, Rust - DataFusion
> Reporter: Andy Grove
> Priority: Major
>
> Arrow already has a JSON reader and it would be nice to integrate this with
> DataFusion so that queries can be run against JSON files.
> This would probably not be trivial though since we would need to add support
> for schemaless data sources (it isn't practical to parse the JSON files first
> to extract the schema).
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