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Posted to dev@sqoop.apache.org by "Kathleen Ting (JIRA)" <ji...@apache.org> on 2012/05/25 07:49:22 UTC
[jira] [Updated] (SQOOP-489) Cannot define partition keys for Hive
tables created through Sqoop
[ https://issues.apache.org/jira/browse/SQOOP-489?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Kathleen Ting updated SQOOP-489:
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Summary: Cannot define partition keys for Hive tables created through Sqoop (was: Cannot define partition keys for Hive tables create through sqoop)
> Cannot define partition keys for Hive tables created through Sqoop
> ------------------------------------------------------------------
>
> Key: SQOOP-489
> URL: https://issues.apache.org/jira/browse/SQOOP-489
> Project: Sqoop
> Issue Type: Bug
> Affects Versions: 1.4.1-incubating
> Reporter: Kathleen Ting
>
> By enabling the table option, Sqoop includes every column in the table in the create table query, and by enabling the hive-partition-key option, Sqoop blindly appends the "partitioned by" clause. Now if you specify one of columns in the table in the hive-partition-key, this will cause a syntax error in Hive.
> For example, if we have a table 'FOO' that has columns 'I' and 'J':
> sqoop create-hive-table --table FOO ...
> will generate the following Hive query:
> CREATE TABLE IF NOT EXISTS `FOO` ( `I` STRING, `J` STRING)
> Now if we add "--hive-partition-key I" to the command, Sqoop generates the following query:
> CREATE TABLE IF NOT EXISTS `FOO` ( `I` STRING, `J` STRING) PARTITIONED BY (I STRING)
> The problem is that since 'I' is defined twice (once in CRATE TABLE and once in PARTITIONED BY), this is a syntax error in Hive.
> This correct query would be something like:
> CREATE TABLE IF NOT EXISTS `FOO` (`J` STRING) PARTITIONED BY (I STRING)
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