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From "Suresh Thalamati (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-378) support for import/export of tables with clob/blob and the other binary data types will be good addition to derby,
Date Tue, 20 Mar 2007 18:54:32 GMT

    [ https://issues.apache.org/jira/browse/DERBY-378?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12482479
] 

Suresh Thalamati commented on DERBY-378:
----------------------------------------

Thanks for the feedback Army & Mike. I agree with both of you , 
LOBS_FROM_EXTFILE/LOBS_TO_EXTFILE  sounds better than  
"LOBS_IN_EXTFILE".  Unless someone else has a better 
suggestions. New procedure names will be :

SYSCS_UTIL.SYSCS_EXPORT_TABLE_LOBS_TO_EXTFILE(..)
SYSCS_UTIL.SYSCS_EXPORT_QUERY_LOBS_TO_EXTFILE(..)

2)This patch implements following two new procedure that allow
 import of large object data stored in a external file.
(for example exported previously using the above export procedures).

SYSCS_UTIL.SYSCS_IMPORT_DATA_LOBS_FROM_EXTFILE(...)
SYSCS_UTIL.SYSCS_IMPORT_TABLE_LOBS_FROM_EXTFILE(..)


--

One another other thing I was debating myself was whether 
to use  "EXTFILE" or "SEPFILE".  Sticking with "EXTFILE",  
"SEPFILE" does not seem any better. 

> 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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