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https://issues.apache.org/jira/browse/ORC-150?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15964513#comment-15964513
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Christian Tramnitz commented on ORC-150:
----------------------------------------
It seems there is a problem with schema detection when floats are used. A
sample json like
{noformat}
{"float":5.2}
{noformat}
will result in:
{noformat}
$ java -jar orc-tools-1.4.0-SNAPSHOT-uber.jar convert sample_message.json -o
sample.orc
Scanning sample_message.json for schema
Exception in thread "main" java.lang.IllegalArgumentException: precision 2 is
out of range 1 .. 10
at
org.apache.orc.TypeDescription.withPrecision(TypeDescription.java:410)
at org.apache.orc.tools.json.NumericType.getSchema(NumericType.java:105)
at org.apache.orc.tools.json.StructType.getSchema(StructType.java:110)
at
org.apache.orc.tools.json.JsonSchemaFinder.getSchema(JsonSchemaFinder.java:257)
at
org.apache.orc.tools.convert.ConvertTool.computeSchema(ConvertTool.java:48)
at org.apache.orc.tools.convert.ConvertTool.main(ConvertTool.java:58)
at org.apache.orc.tools.Driver.main(Driver.java:112)
{noformat}
> Add tool to convert from JSON to ORC
> ------------------------------------
>
> Key: ORC-150
> URL: https://issues.apache.org/jira/browse/ORC-150
> Project: ORC
> Issue Type: New Feature
> Reporter: Owen O'Malley
> Assignee: Owen O'Malley
> Fix For: 1.4.0
>
>
> We should have a tool to convert from JSON data to ORC. Something like
> % java -jar orc-tools-*uber.jar create "struct<x:int,y:string>" *.json
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