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From "V.Narayanan (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-2385) create the stored procedures called by LOB related JDBC methods during upgrade
Date Mon, 26 Mar 2007 16:20:32 GMT

     [ https://issues.apache.org/jira/browse/DERBY-2385?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

V.Narayanan updated DERBY-2385:

    Attachment: upgrade_v2.stat

In trying to produce a solution for this I wanted to do two things

Development code

In the call to doFullUpgrade in DD_Version I wanted to call create_10_3_system_procedures
and I wanted that method to handle all the stored procedures for 10.3. I thought this was
a more elegant method than calling multiple methods here. 

Since the Stored Procedures for the locator implementation of the LOB related JDBC methods
are created in the SYSIBM schema and create_10_3_system_procedures accepts a schema parameter
as of know I could not use it to create the locator related procedures in the SYSIBM schema.

I decided to make create_10_3_system_procedures accept the tc as a parameter and handle the
creation of the stored procedures in the different schema here.

Testing Code

In my previous attachment to this issue I had written code as part of the upgrade tests to
test the locator related stored procedures (in the old suite). This was code replication and
seemed wrong to me. I could reuse the tests in jdbcapi/ClobStoredProcedureTest and jdbcapi/BlobStoredProcedureTest

I had the following conditions

1) The suites needed to be created during the HARD_UPGRADE and PH_HARD_UPGRADE phases.
2) The tests need not be run when the old release is greater than 10.3

I took a few tips from how DatabaseMetaDataTest is run today as part of uprgade. That seemed
a great way of doing this without code replication

In the baseSuite method of UpgradeRun I create these suites to the base suite during the HARD_UPGRADE
and the PH_HARD_UPGRADE phases.

I have not tested this code. I just finished coding. So I thought I could put this in to get
a few comments and views on whether this is the right way to do this.

Pls note that I have not run it and seen and it is only for comments.


> create the stored procedures called by LOB related JDBC methods during upgrade
> ------------------------------------------------------------------------------
>                 Key: DERBY-2385
>                 URL: https://issues.apache.org/jira/browse/DERBY-2385
>             Project: Derby
>          Issue Type: Task
>          Components: JDBC
>    Affects Versions:
>            Reporter: V.Narayanan
>         Assigned To: V.Narayanan
>         Attachments: upgrade_v1.diff, upgrade_v1.stat, upgrade_v2.diff, upgrade_v2.stat
> DataDictionaryImpl.create_10_3_LOB_Specific_functions() has to be called from DD_Version.doFullUpgrade()
in order to create the procedures when upgrading from 10.2 or earlier versions.

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