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https://issues.apache.org/jira/browse/DRILL-487?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aman Sinha reassigned DRILL-487:
--------------------------------
Assignee: Aman Sinha
> Joining across different data sources throw 'schema change' exception
> ---------------------------------------------------------------------
>
> Key: DRILL-487
> URL: https://issues.apache.org/jira/browse/DRILL-487
> Project: Apache Drill
> Issue Type: Bug
> Reporter: Neeraja
> Assignee: Aman Sinha
> Priority: Critical
>
> Cross data source queries are throwing exception. Examples include between a
> file and Hive table, a hive table and HBase table, 2 files of different
> formats.
> Here is a simple example. I will add more detailed log.
> select c.c_custkey from
> dfs.`/home/mapr/tpch/sf-0.1_tpc-h_DataParquet/customer.parquet` c,
> dfs.`/home/mapr/sample-data/userprofilejson/user1.json` u
> where c.c_custkey = u.id;
> user1.json is below.
> {
> "id":8362,
> "account":
> {
> "name":"Alice",
> "email":"[email protected]"
> },
> "address":
> {
> "street":"123 Ballmer Av",
> "zipcode":"12345",
> "state":"CA"
> }
> }
> Exception:
> message: "Screen received stop request sent. < SchemaChangeException:[
> org.apache.drill.exec.exception.ClassTransformationException: Failure
> generating transformation classes for value: \n \npackage
> org.apache.drill.exec.test.generated;\n\nimport
> org.apache.drill.exec.exception.SchemaChangeException;\nimport
> org.apache.drill.exec.ops.FragmentContext;\nimport
> org.apache.drill.exec.physical.impl.join.JoinStatus;\nimport
> org.apache.drill.exec.record.RecordBatch;\nimport
> org.apache.drill.exec.record.VectorContainer;\nimport
> org.apache.drill.exec.vector.BigIntVector;\nimport
> org.apache.drill.exec.vector.Float8Vector;\nimport
> org.apache.drill.exec.vector.NullableBigIntVector;\nimport
> org.apache.drill.exec.vector.NullableIntVector;\nimport
> org.apache.drill.exec.vector.NullableVarCharVector;\nimport
> org.apache.drill.exec.vector.VarBinaryVector;\n\npublic class
> JoinWorkerGen141 {\n\n JoinStatus status;\n VectorContainer outgoing;\n
>
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