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From "Colin Ritchie (JIRA)" <j...@apache.org>
Subject [jira] Created: (DDLUTILS-50) FK Constraints Failing on Merge in MS-SQL
Date Fri, 25 Nov 2005 23:41:56 GMT
FK Constraints Failing on Merge in MS-SQL
-----------------------------------------

         Key: DDLUTILS-50
         URL: http://issues.apache.org/jira/browse/DDLUTILS-50
     Project: DdlUtils
        Type: Bug
 Environment: WinXP Pro, SQL Server 2000, Java 1.4.2
    Reporter: Colin Ritchie
 Assigned to: Thomas Dudziak 


Re-running the writeSchemaToDatabase task on an existing MS-SQL database causes errors on
all the foreign-key nodes, reporting the error "There is already an object named 'name' in
the database".

Snippet of my schema:

<table name="oci_schedules">
  <column name="schd_m_id" primaryKey="false" required="true" type="INTEGER" default="0"
autoIncrement="false"/>
  <foreign-key foreignTable="oci_schedule_modes">
    <reference local="schd_m_id" foreign="schd_m_id"/>
  </foreign-key>
</table>

<table name="oci_schedule_modes">
  <column name="schd_m_id" primaryKey="true" required="true" type="INTEGER" autoIncrement="true"
description="auto_increment"/>
</table>

Error:
[ddlToDatabase] SQL Command ALTER TABLE "oci_schedules"
[ddlToDatabase]     ADD CONSTRAINT "oci_schedules_FK_schd_m_id_oci_schedule_modes" FOREIGN
KEY ("schd_m_id") REFERENCES"oci_schedule_modes" ("schd_m_id") failed with [Microsoft][SQLServer
2000 Driver for JDBC][SQLServer]There is already an object named 'oci_schedules_FK_schd_m_id_oci_schedule_modes'
in the database.

I have tried this using the open source JTDS 1.1, with the same error message.  I have also
tried specifying the foreign key name in the XML node, with the same result.



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