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https://issues.apache.org/jira/browse/TRAFODION-2811?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16258939#comment-16258939
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ASF GitHub Bot commented on TRAFODION-2811:
-------------------------------------------
GitHub user Weixin-Xu opened a pull request:
https://github.com/apache/incubator-trafodion/pull/1305
[TRAFODION-2811] When convert NULL to SQL_VARCHAR, the length was not be
sent
When inserting NULL buffer to varchar, ODBC has not sent the real length of
data to server.
Error: [Trafodion ODBC Driver][Trafodion Database] SQL ERROR:***
ERROR[8402] A string overflow occurred during the evaluation of a character
expression.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/Weixin-Xu/incubator-trafodion master
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/incubator-trafodion/pull/1305.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 #1305
----
commit d93d17e70ff517d94cde5fee62001948fe209589
Author: Weixin-Xu <[email protected]>
Date: 2017-11-20T01:56:58Z
[TRAFODION-2811] When convert NULL to SQL_VARCHAR, the length was not be
sent
----
> When convert NULL to SQL_VARCHAR , the length was not be sent
> ---------------------------------------------------------------
>
> Key: TRAFODION-2811
> URL: https://issues.apache.org/jira/browse/TRAFODION-2811
> Project: Apache Trafodion
> Issue Type: Bug
> Components: client-odbc-linux, client-odbc-windows
> Affects Versions: any
> Environment: centos 6.7
> Reporter: XuWeixin
> Assignee: XuWeixin
> Fix For: 2.2-incubating
>
>
> When inserting NULL buffer to varchar or the length of data is 0, ODBC has
> not sent the real length of data to server.
> Error: [Trafodion ODBC Driver][Trafodion Database] SQL ERROR:*** ERROR[8402]
> A string overflow occurred during the evaluation of a character expression.
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