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From "Guy Davis (JIRA)" <j...@apache.org>
Subject [jira] Created: (DDLUTILS-76) Ability to merge two different schema XMLs and output the upgrade scripts in SQL for target database
Date Wed, 22 Feb 2006 03:14:13 GMT
Ability to merge two different schema XMLs and output the upgrade scripts in SQL for target
database
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         Key: DDLUTILS-76
         URL: http://issues.apache.org/jira/browse/DDLUTILS-76
     Project: DdlUtils
        Type: New Feature
 Environment: Oracle 10g EE, SQL Server 2005 EE, MySQL 5.0
Java 1.5.0
Windows XP
Ant 1.6.5
    Reporter: Guy Davis
 Assigned to: Thomas Dudziak 


It would be great if DDLUtils had the ability to diff two schema XML files (source and target)
and generate database-specific SQL that can be saved to a file?  Ideally, I'd like to use
for handling database upgrades of our product.  The SQL output would be all the "alter table"
type statements required to move from the source schema to the target.

This seems to be almost what the WriteSchemaToDatabase command is doing for a single schema
and a live database with alterDatabase=true.   Could we replace the live database with a second
schema and then have the SQL sent to a file rather than to the live database.

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