[teiid-issues] [JBoss JIRA] (TEIID-2842) Impala/ HIVE2: Unsupported compress file

[Ramesh Reddy (JIRA)]

     [ https://issues.jboss.org/browse/TEIID-2842?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ramesh Reddy resolved TEIID-2842.
---------------------------------

    Resolution: Deferred


Since there is no fix that can be done from Teiid perspective I am marking this as Deferred.

Mike, if you got try to above suggestions and think we can tweak something in Teiid to make this work then we can re-open the JIRA 
                
> Impala/ HIVE2:  Unsupported compress file
> -----------------------------------------
>
>                 Key: TEIID-2842
>                 URL: https://issues.jboss.org/browse/TEIID-2842
>             Project: Teiid
>          Issue Type: Bug
>          Components: Query Engine
>    Affects Versions: 8.6
>         Environment: Impala/HIVE2 with Teiid
>            Reporter: Ivan Chan
>            Assignee: Ramesh Reddy
>              Labels: teiid
>             Fix For: 8.7
>
>
> Teiid makes a query call "Describe table" in HiveMetadataProcessor.addTable(....).   However, if the table contains compress file, HIVE2 driver would return the following execption:
> {code}
> java.sql.SQLException: AnalysisException: Failed to load metadata for table: default.omniturelogs
> CAUSED BY: TableLoadingException: Failed to load metadata for table: 
> omniturelogs
> CAUSED BY: RuntimeException: Compressed text files are not supported: hdfs://localhost.localdomain:8020/user/cloudera/omniturelogs/Omniture.0.tsv.gz
> at org.apache.hive.jdbc.Utils.verifySuccess(Utils.java:161)
> at org.apache.hive.jdbc.Utils.verifySuccessWithInfo(Utils.java:149)
> at org.apache.hive.jdbc.HiveStatement.execute(HiveStatement.java:182)
> at org.apache.hive.jdbc.HiveStatement.executeQuery(HiveStatement.java:246)	
> at org.apache.tomcat.dbcp.dbcp.DelegatingStatement.executeQuery(DelegatingStatement.java:208)
> at org.apache.tomcat.dbcp.dbcp.DelegatingStatement.executeQuery(DelegatingStatement.java:208)	
> at org.teiid.translator.hive.HiveMetadataProcessor.addTable(HiveMetadataProcessor.java:112)	
> at org.teiid.translator.hive.HiveMetadataProcessor.getConnectorMetadata(HiveMetadataProcessor.java:48)
> 	
> at org.teiid.translator.jdbc.JDBCExecutionFactory.getMetadata(JDBCExecutionFactory.java:311)
> 	... 155 more
> {code}
> Maybe Teiid should call "DESCRIBE FORMATTED table" for table that contains compress file.
> Reference:
> http://grokbase.com/t/cloudera/impala-user/13b7c9apmx/impala-failed-to-query-snappy-compression-data

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