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https://issues.apache.org/jira/browse/DRILL-19?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13552242#comment-13552242
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Timothy Chen commented on DRILL-19:
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I've put latest code on github that supports proto output.
I've only tested several simple situations and I can definitely spend more time
testing much complex json schemas.
Currently when outputing proto schema with mixing lists and object, I will
assign the list schema to a fixed message type ListSchema that has just a byte
field that stores the embedded schema.
I haven't write the code yet to write embedded schema and deserialize the
embedded schema, since it's just the proto definition not the actual message
contents.
Do you want me to continue to turn the data records into proto messages or you
have something other in mind?
> Build a JSON scanner that does schema discovery
> -----------------------------------------------
>
> Key: DRILL-19
> URL: https://issues.apache.org/jira/browse/DRILL-19
> Project: Apache Drill
> Issue Type: New Feature
> Reporter: Jacques Nadeau
> Assignee: Timothy Chen
>
> Build a JSON scanner that reads a file and converts it into two parts: a
> stream of records and a schema which reflects the schema of the records.
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