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From "Deepa Remesh (JIRA)" <derby-...@db.apache.org>
Subject [jira] Commented: (DERBY-1002) Check that DRDAStatement and DRDAResultSet states are reset when they are re-used
Date Tue, 13 Jun 2006 13:45:30 GMT
    [ http://issues.apache.org/jira/browse/DERBY-1002?page=comments#action_12416016 ] 

Deepa Remesh commented on DERBY-1002:

The actual issue reported in this JIRA is fixed. There were some code cleanup TODOs as noted
in previous comment:

* pkgcnstkn, pkgid, pkgsn variables can be removed from DRDAStatement since these are derived
from pkgnamcsn object.
* Look into what is required by initialize() of default statement. Currently, initialize just
calls setTypDefValues(). Once the purpose of this method is confirmed, we may need to modify
the comments at places it is currently called.

I had not resolved this issue in trunk or 10.1 because of these TODO items. To avoid confusion,
I will mark this issue fixed and open a minor issue for code cleanup.

> Check that DRDAStatement and DRDAResultSet states are reset when they are re-used
> ---------------------------------------------------------------------------------
>          Key: DERBY-1002
>          URL: http://issues.apache.org/jira/browse/DERBY-1002
>      Project: Derby
>         Type: Bug

>   Components: Network Server
>     Reporter: Deepa Remesh
>      Fix For:,
>  Attachments: derby1002-patch1-draft1.diff, derby1002-patch1-draft1.status, derby1002-patch1-v1.diff,
derby1002-patch1-v1.status, derby1002-patch2-v2.diff, derby1002-patch2-v2.status, derby1002.java
> Network server re-uses DRDAStatement and DRDAResultSet objects when client sends a request
with same section number. When re-using DRDAStatement, it's close() method is called which
inturn calls close() method of DRDAResultSet. For re-use to work properly, we have to ensure
the states of these objects are reset. This is not a bug but it is an area for possible improvements
> * The reset of all states are not in the close() methods. The states get re-initialized
at different places in the code. Fo example, in case of DRDAResultSet, they get initialized
in some other DRDAStatement methods - like addResultSet, setRsDefaultOptions, setOPNQRYOptions,
setQueryOptions etc. It will be good to have all resets in one method.
> * The method name "close" is confusing since it is also called when objects get re-used.
For clarity, it may be good to have a method named reset(). And then have the close method
call reset.

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