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Sqoop, mail # user - BigInt Support of postgresql in Sqoop


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Re: BigInt Support of postgresql in Sqoop
Jarek Jarcec Cecho 2012-08-24, 06:07
You might consider utilizing Postgresql's function array_to_string to "join" the array into one string. You would have to change the import from --table to --query then thought.

Jarcec

On Fri, Aug 24, 2012 at 10:40:46AM +0530, Adarsh Sharma wrote:
> Thanks Jarcec for the update, So Sqoop is not suitable for shifting data
> from DB to HDFS , if some columns have integer[] or bigint[] datatypes.
>
> Is there any way i can sh*ift  date having bigint[] datatypes from* postgresql
> DB to HDFS using Sqoop or I need to test another tool like Talend etc.
>
>
> Thanks
>
>
> On Thu, Aug 23, 2012 at 11:45 PM, Jarek Jarcec Cecho <[EMAIL PROTECTED]>wrote:
>
> > Hi Adarsh,
> > as far as I know then Sqoop should not have any issues with bigint data
> > type.
> >
> > Based on provided log fragment, It seems that you're having issues with
> > SQL type 2003 that should be ARRAY (see 1). I'm afraid that array is really
> > not supported in Sqoop at the moment.
> >
> > Jarcec
> >
> > 1:
> > http://docs.oracle.com/javase/1.5.0/docs/api/constant-values.html#java.sql.Types.ARRAY
> >
> > On Thu, Aug 23, 2012 at 08:47:10PM +0530, Adarsh Sharma wrote:
> > > Hi all,
> > >
> > > Please forgive if i violate any rule before posting in this mailing list
> > .
> > > I am using for some testing in my hadoop standalone set up.
> > >
> > > Hadoop Version: 0.20.2-cdh3u5, 580d1d26c7ad6a7c6ba72950d8605e2c6fbc96cc
> > > Sqoop Version : Sqoop 1.4.1-incubating
> > > Also tried         :  Sqoop 1.4.0-incubating
> > > Postgresql Versio : edb-psql (9.0.4.14)
> > >
> > >
> > > I am able to export data from HDFS to postgresql but when I am trying to
> > > import data from DB to hdfs , below problem arises :
> > > hadoop@test123:~/project/
> > > sqoop-1.4.1-incubating__hadoop-0.20$ bin/sqoop import  --connect
> > > jdbc:postgresql://localhost/hadooppipeline  --table test_table --username
> > > postgres --password postgres
> > > Warning: /usr/lib/hbase does not exist! HBase imports will fail.
> > > Please set $HBASE_HOME to the root of your HBase installation.
> > > 12/08/23 19:25:19 WARN tool.BaseSqoopTool: Setting your password on the
> > > command-line is insecure. Consider using -P instead.
> > > 12/08/23 19:25:19 INFO manager.SqlManager: Using default fetchSize of
> > 1000
> > > 12/08/23 19:25:19 INFO tool.CodeGenTool: Beginning code generation
> > > 12/08/23 19:25:19 INFO manager.SqlManager: Executing SQL statement:
> > SELECT
> > > t.* FROM "test_table" AS t LIMIT 1
> > > 12/08/23 19:25:19 ERROR orm.ClassWriter: Cannot resolve SQL type 2003
> > > 12/08/23 19:25:19 ERROR orm.ClassWriter: Cannot resolve SQL type 2003
> > > 12/08/23 19:25:19 ERROR orm.ClassWriter: Cannot resolve SQL type 2003
> > > 12/08/23 19:25:19 ERROR orm.ClassWriter: Cannot resolve SQL type 2003
> > > 12/08/23 19:25:19 ERROR orm.ClassWriter: Cannot resolve SQL type 2003
> > > 12/08/23 19:25:19 ERROR orm.ClassWriter: Cannot resolve SQL type 2003
> > > 12/08/23 19:25:19 ERROR orm.ClassWriter: No Java type for SQL type 2003
> > for
> > > column rc_list
> > >
> > > There are 4 bigint columns in the table. Please guide me if Sqoop support
> > > for bigint columns or not.
> > >
> > > I do some Rn D and find only one link but not able to solve the issue :
> > >
> > https://issues.cloudera.org/browse/SQOOP-48?page=com.atlassian.jira.plugin.system.issuetabpanels%3Aall-tabpanel
> > >
> > >
> > > Thanks
> >