dlr 01/08/17 17:16:19
Modified: src/java/org/apache/torque/engine/database/model Unique.java
Log:
Added header JavaDoc about the nature of unique columns (indices
versus constraints), and removed unnecessary ctor.
Revision Changes Path
1.4 +6 -11
jakarta-turbine-torque/src/java/org/apache/torque/engine/database/model/Unique.java
Index: Unique.java
===================================================================
RCS file:
/home/cvs/jakarta-turbine-torque/src/java/org/apache/torque/engine/database/model/Unique.java,v
retrieving revision 1.3
retrieving revision 1.4
diff -u -u -r1.3 -r1.4
--- Unique.java 2001/08/17 21:42:51 1.3
+++ Unique.java 2001/08/18 00:16:19 1.4
@@ -57,27 +57,22 @@
import java.util.List;
/**
- * Information about unique indices of a table.
+ * Information about unique columns of a table. This class assumes
+ * that in the underlying RDBMS, unique constraints and unique indices
+ * are roughly equivalent. For example, adding a unique constraint to
+ * a column also creates an index on that column.
*
* @author <a href="mailto:[EMAIL PROTECTED]";>Jason van Zyl</a>
* @author <a href="mailto:[EMAIL PROTECTED]";>Daniel Rall</a>
- * @version $Id: Unique.java,v 1.3 2001/08/17 21:42:51 dlr Exp $
+ * @version $Id: Unique.java,v 1.4 2001/08/18 00:16:19 dlr Exp $
*/
public class Unique extends Index
{
/**
- * Creates a new, unique <code>Index</code> instance.
+ * Creates a new instance.
*/
public Unique()
{
- }
-
- /**
- * @see org.apache.torque.engine.database.model.Index#Index(List indexColumns)
- */
- public Unique(List indexColumns)
- {
- super(indexColumns);
}
/**
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