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From "Will Glass-Husain (JIRA)" <j...@apache.org>
Subject [jira] Created: (TORQUE-86) MSSQL data inserts with with IDENTITY key require IDENTITY_INSERT property to be on
Date Fri, 09 Mar 2007 23:27:09 GMT
MSSQL data inserts with with IDENTITY key require IDENTITY_INSERT property to be on
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                 Key: TORQUE-86
                 URL: https://issues.apache.org/jira/browse/TORQUE-86
             Project: Torque
          Issue Type: Bug
          Components: Generator
    Affects Versions: 3.2
            Reporter: Will Glass-Husain
            Priority: Minor


For Microsoft SQL Server, if a primary key is of type IDENTITY (autoincrement), then you will
not be able to insert a record containing a primary key.  

For example, the following line will give an error if field WEB_APP_ID is a primary key.

INSERT INTO WEB_APP (WEB_APP_ID,WEB_APP_NAME,ROOT_PATH,BASE_URL,IS_PRO,ALLOW_NATIVE_VENSIM)
    VALUES (1,'Broadcast','c:/www/sims','http://localhost/sims/',1,1);

The global property IDENTITY_INSERT can prevent this error.  However, if your dataset has
a mix of tables, some with autoincrement and some without then you will not be able to set
this globally.

The solution is to check to see if the primary key is has the auto_increment property, and
to wrap the insert with an IDENTITY_INSERT setting if so.  Example:

SET IDENTITY_INSERT WEB_APP ON;
INSERT INTO WEB_APP (WEB_APP_ID,WEB_APP_NAME,ROOT_PATH,BASE_URL,IS_PRO,ALLOW_NATIVE_VENSIM)
    VALUES (1,'Broadcast','c:/www/sims','http://localhost/sims/',1,1);
SET IDENTITY_INSERT WEB_APP OFF;

I've attached a patch to the templates which implements this.



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