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https://issues.apache.org/jira/browse/TRAFODION-1473?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15227075#comment-15227075
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ASF GitHub Bot commented on TRAFODION-1473:
-------------------------------------------
GitHub user arvind-narain opened a pull request:
https://github.com/apache/incubator-trafodion/pull/417
[TRAFODION-1473] T4 support for new sqltypecode BLOB(-602) and CLOB(-…
…603)
Support in T2 and odbc drivers will be addressed in later checkin.
Automated tests for drivers will be checked in at that stage.
Please refer to LOB Interface document in the jira for ways to
extract/update data from such columns. set/get lob interfaces will be supported
in the next release.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/arvind-narain/incubator-trafodion lob
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/incubator-trafodion/pull/417.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #417
----
commit 54171f4a1ae3a95d0b8baa995ef5a2c7e3d38b74
Author: Arvind Narain <narain.arv...@gmail.com>
Date: 2016-04-05T19:56:20Z
[TRAFODION-1473] T4 support for new sqltypecode BLOB(-602) and CLOB(-603)
Support in T2 and odbc drivers will be addressed in later checkin.
Automated tests for drivers will be checked in at that stage.
----
> Adding external buffer and file input and extract support for LOB datatypes
> -----------------------------------------------------------------------------
>
> Key: TRAFODION-1473
> URL: https://issues.apache.org/jira/browse/TRAFODION-1473
> Project: Apache Trafodion
> Issue Type: Task
> Components: client-jdbc-t4, connectivity-mxosrvr, sql-cmp, sql-exe
> Environment: Trafodion
> Reporter: Sandhya Sundaresan
> Assignee: Sandhya Sundaresan
> Labels: features
> Fix For: 1.2-incubating
>
> Attachments: Trafodion LOB interface.docx
>
>
> LOB datatype is disabled in Trafodion until the following support is fully
> in.
> Here are the list of tasks and items to support :
> 1. Support input of linux files (on platform) into LOB columns.
> 2. Support extract of LOB data into linux files on platform.
> 3. Support input of hdfs files into LOB columns.
> 4. Support extract of LOB data into hdfs files.
> 5. Support chunking to input a very large external file into LOB columns.
> 6. Use CQD concept to limit LOB max size and limit chunk size for extract
> /input.
> TBD
> 7. Support for input/extract of external files off platform into LOB columns.
> 8. Support in connectivity and driver for real LOB data type.
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