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Sqoop, mail # user - Support of arrays in fields


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Support of arrays in fields
Ruslan Al-Fakikh 2013-04-09, 16:40
Hey guys,

Sorry for raising this old question, but is there a workaround for
uploading data with arrays in fields?
I have a table like this:
CREATE TABLE tablename
(
image_urls character varying(300)[]
);
and I am uplooading from a file on HDFS. Basically I can change a format of
the file, but in what form should I do it in order to make Sqoop upload it
to this unsupported data type? Maybe there is a workaround.

Also I saw this issue, but it is still unresolved:
https://issues.cloudera.org/browse/SQOOP-160

Any help would be appreciated
On Fri, Aug 24, 2012 at 10:07 AM, Jarek Jarcec Cecho <[EMAIL PROTECTED]>wrote:

> 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
+
Jarek Jarcec Cecho 2013-04-15, 04:58
+
Ruslan Al-Fakikh 2013-04-19, 21:08
+
Jarek Jarcec Cecho 2013-04-19, 21:55
+
Ruslan Al-Fakikh 2013-04-19, 22:25