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Posted to dev@pinot.apache.org by GitBox <gi...@apache.org> on 2019/01/17 22:16:12 UTC
[GitHub] jackjlli opened a new pull request #3711: Fix SegmentConverter to
handle virtual column
jackjlli opened a new pull request #3711: Fix SegmentConverter to handle virtual column
URL: https://github.com/apache/incubator-pinot/pull/3711
Currently the `ConvertPinotSegment` command didn't work properly with virtual column.
This PR fixes this issue by removing virtual columns before writing to avro file.
Error messages we found:
```
$ ./pinot-distribution/target/pinot-0.016-pkg/bin/pinot-admin.sh ConvertPinotSegment -dataDir /input/test -outputDir /output/test -outputFormat avro -overwrite
Exception caught:
org.apache.avro.SchemaParseException: Illegal initial character: $hostName
at org.apache.avro.Schema.validateName(Schema.java:1064)
at org.apache.avro.Schema.access$200(Schema.java:79)
at org.apache.avro.Schema$Field.<init>(Schema.java:372)
at org.apache.avro.SchemaBuilder$FieldBuilder.completeField(SchemaBuilder.java:2124)
at org.apache.avro.SchemaBuilder$FieldBuilder.completeField(SchemaBuilder.java:2120)
at org.apache.avro.SchemaBuilder$FieldBuilder.access$5200(SchemaBuilder.java:2034)
at org.apache.avro.SchemaBuilder$FieldDefault.noDefault(SchemaBuilder.java:2146)
at org.apache.pinot.core.util.AvroUtils.getAvroSchemaFromPinotSchema(AvroUtils.java:165)
at org.apache.pinot.tools.segment.converter.PinotSegmentToAvroConverter.convert(PinotSegmentToAvroConverter.java:47)
at org.apache.pinot.tools.segment.converter.PinotSegmentConvertCommand.execute(PinotSegmentConvertCommand.java:133)
at org.apache.pinot.tools.admin.PinotAdministrator.execute(PinotAdministrator.java:126)
at org.apache.pinot.tools.admin.PinotAdministrator.main(PinotAdministrator.java:138)
```
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