[jira] Updated: (DERBY-167) Inserting values in an identity column

["Tomohito Nakayama (JIRA)" <de...@db.apache.org>]

     [ http://issues.apache.org/jira/browse/DERBY-167?page=all ]

Tomohito Nakayama updated DERBY-167:
------------------------------------

    Assign To: Tomohito Nakayama

> Inserting values in an identity column
> --------------------------------------
>
>          Key: DERBY-167
>          URL: http://issues.apache.org/jira/browse/DERBY-167
>      Project: Derby
>         Type: Improvement
>   Components: SQL
>     Versions: 10.1.0.0
>  Environment: SQL
>     Reporter: Christian Rodriguez
>     Assignee: Tomohito Nakayama

>
> It is not possible to insert a specific value in a column defined as identity. This makes it very hard to migrate from other RDBMSs or to import data dumped from other databases. 
> For example, an autoincrement column in MySQL should be an identity column. The problem is that when the data is dumped from MySQL to a file, it generates inserts with values. These values cant be inserted in the Derby table. 
> Posible solutions: 1. being able to "generate by default as identity" 2. being able to disable the "identity" feature for a column 3. being able to generate a column as non identity and after data is populated, alter table to add the "identity" to the column.

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