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From "Parth Chandra (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DRILL-487) Joining across different data sources throw 'schema change' exception
Date Tue, 21 Apr 2015 20:04:01 GMT

     [ https://issues.apache.org/jira/browse/DRILL-487?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Parth Chandra updated DRILL-487:
--------------------------------
    Component/s: Execution - Relational Operators

> 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
>          Components: Execution - Relational Operators
>            Reporter: Neeraja
>            Assignee: Aman Sinha
>            Priority: Critical
>             Fix For: 0.4.0
>
>         Attachments: 0001-Fix-Drill-487.-Setup-mappings-appropriately-for-comp.patch
>
>
> 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":"Alice@gmail.com"
> },
> "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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