[ http://issues.apache.org/jira/browse/TORQUE-32?page=all ]
Scott Eade updated TORQUE-32:
-----------------------------
Attachment: Column.java.patch
HypersonicDomainTest.java.patch
Platform.java.patch
> Native id-method columns in hsqldb start with 0
> -----------------------------------------------
>
> Key: TORQUE-32
> URL: http://issues.apache.org/jira/browse/TORQUE-32
> Project: Torque
> Type: Bug
> Components: Generator
> Environment: Any.
> Reporter: Scott Eade
> Priority: Minor
> Attachments: Column.java.patch, HypersonicDomainTest.java.patch,
> Platform.java.patch, PlatformDefaultImpl.java.patch,
> PlatformHypersonicImpl.java.patch
>
> Using hsqldb with id-method native columns creates columns defined with the
> constraint "IDENTITY". This generated an index starting with 0. As Torque
> regards objects with an primary key 0 as not initialized, this can lead to
> problems when using relationships between tables.
> To prevent this I've patched the generated string from "IDENTITY" to
> "GENERATED BY DEFAULT AS IDENTITY (STARTING WITH 0)".
> This broke the created SQL for hsqldb tables since Torque preprends the
> String "NOT NULL" in front of the identity string. hsqldb does not allow this.
> To change this I've patched the interface
> org.apache.torque.engine.platform.Platform and added a method "public
> getNullString(Column col)" since the PlatformHypersonicImpl needed to know if
> the column is a not null and if the column uses the native id-method. The
> default implementation of Platform delegates the call of this method to the
> former existing one. Only the hsqldb implementation uses more than the
> property notNull of the column.
> The new method is now used getSqlString of class Column.
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