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From "Daniel John Debrunner (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 Wed, 07 Mar 2007 02:05:24 GMT

    [ https://issues.apache.org/jira/browse/DERBY-378?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12478669
] 

Daniel John Debrunner commented on DERBY-378:
---------------------------------------------

Looks good, couple of minor questions:

1) I see use of StringUtil.fromHexString() in the patch, but no use of StringUtil.toHexString()
in the patch. How does the exporting work?

2) If the input to  StringUtil.fromHexString() is malformed by its length not being a multiple
of two then null will be silently inserted. Should import throw an exception here?

These could be addressed after the patch is committed.


> 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,
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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