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https://issues.apache.org/jira/browse/DERBY-378?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12482500
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Suresh Thalamati commented on DERBY-378:
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Thanks for the feedback Laura. Incase of export "EXTFILE" is used
to indicate lob data is not stored in the main export file along with
other table data, but in a different file specified by the user. And incase of
import it indicates lobs data is in a different file, and the reference to
it is stored in the import file specified by the user.
> support for import/export of tables with clob/blob and the other binary
> data types will be good addition to derby,
> -----------------------------------------------------------------------------------------------------------------------
>
> Key: DERBY-378
> URL: https://issues.apache.org/jira/browse/DERBY-378
> Project: Derby
> Issue Type: Improvement
> Components: Tools
> Affects Versions: 10.1.1.0
> Reporter: Suresh Thalamati
> Assigned To: Suresh Thalamati
> Attachments: derby378_1.diff, derby378_1.stat, derby378_2.diff,
> derby378_2.stat, derby378_3.diff, derby378_3.stat, derby378_4.diff,
> derby378_4.stat, derby378_5.diff, iexlobs.txt
>
>
> Currently if I have a table that contains clob/blob column, import/export
> operations on that table
> throghs unsupported feature exception.
> set schema iep;
> set schema iep;
> create table ntype(a int , ct CLOB(1024));
> create table ntype1(bt BLOB(1024) , a int);
> call SYSCS_UTIL.SYSCS_EXPORT_TABLE ('iep', 'ntype' , 'extinout/ntype.dat' ,
> null, null, null) ;
> ERROR XIE0B: Column 'CT' in the table is of type CLOB, it is not supported by
> th
> e import/export feature.
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