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Posted to dev@sqoop.apache.org by "Boglarka Egyed (JIRA)" <ji...@apache.org> on 2019/06/05 08:42:01 UTC
[jira] [Resolved] (SQOOP-3438) Sqoop Import with create hcatalog
table for ORC will not work with Hive3 as the table created would be a ACID
table and transactional
[ https://issues.apache.org/jira/browse/SQOOP-3438?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Boglarka Egyed resolved SQOOP-3438.
-----------------------------------
Resolution: Fixed
Fix Version/s: 1.5.0
Thank you [~dionusos] for your contribution! Your change is now merged to trunk.
> Sqoop Import with create hcatalog table for ORC will not work with Hive3 as the table created would be a ACID table and transactional
> -------------------------------------------------------------------------------------------------------------------------------------
>
> Key: SQOOP-3438
> URL: https://issues.apache.org/jira/browse/SQOOP-3438
> Project: Sqoop
> Issue Type: Improvement
> Components: hive-integration
> Affects Versions: 1.4.7
> Reporter: Denes Bodo
> Assignee: Denes Bodo
> Priority: Critical
> Fix For: 1.5.0
>
> Time Spent: 3h 20m
> Remaining Estimate: 0h
>
> PROBLEM: Running a sqoop import command with the option --create-hcatalog-table will not work due to the following reasons
> When create-hcatalog-table is used it creates the table as a Managed ACID table.
> HCatalog does not support transactional or bucketing table
> So customer who need to create a ORC based table cannot use sqoop to create a ORC based table which means their existing code where if in case they use sqoop to create these tables would fail.
> The current workaround is a two step process
> 1. Create the ORC table in hive with the keyword external and set transactional to false
> 2. Then use the sqoop command to load the data into the orc table.
> The request is to add in an extra argument in the sqoop command line to specify that the table is external (example: --hcatalog-external-table )so we can use the option --hcatalog-storage-stanza "stored as orc tblproperties (\"transactional\"=\"false\")".
> ----
> Thank you [~mbalakrishnan] for your findings. This ticket is created based on your work.
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