这是去年项目中遇到的.想起来这个问题了.

因为当时这版本没有一个注解可以在根据Model在逆向生成数据库时自动生成列注释,不方便,在网上找着了解决办法,不知道现在版本有没有实现这功能

1. Index: src/java/org/hibernate/cfg/Ejb3Column.java

--- src/java/org/hibernate/cfg/Ejb3Column.java	(Revision 14468)+++ src/java/org/hibernate/cfg/Ejb3Column.java	(Arbeitskopie)@@ -144,6 +144,10 @@ 	public boolean isNullable() { 		return mappingColumn.isNullable(); 	}+	+	public void setComment(String comment) {+	    this.mappingColumn.setComment(comment);+	}  	public Ejb3Column() { 	}

--- src/java/org/hibernate/cfg/annotations/EntityBinder.java	(Revision 14468)+++ src/java/org/hibernate/cfg/annotations/EntityBinder.java	(Arbeitskopie)@@ -402,7 +402,8 @@ 	public void bindTable( 			String schema, String catalog, 			String tableName, List uniqueConstraints,-			String constraints, Table denormalizedSuperclassTable+			String constraints, Table denormalizedSuperclassTable,+			String comment 	) { 		String logicalName = StringHelper.isNotEmpty( tableName ) ? 				tableName :@@ -414,6 +415,10 @@ 				persistentClass.isAbstract(), uniqueConstraints, constraints, 				denormalizedSuperclassTable, mappings 		);+		+		if ( (comment != null) && (comment.length() > 0) ) {+		    table.setComment(comment);+		}  		if ( persistentClass instanceof TableOwner ) { 			if ( log.isInfoEnabled() ) {

3. Index: src/java/org/hibernate/cfg/AnnotationBinder.java

--- src/java/org/hibernate/cfg/AnnotationBinder.java	(Revision 14468)+++ src/java/org/hibernate/cfg/AnnotationBinder.java	(Arbeitskopie)@@ -65,6 +65,7 @@ import org.hibernate.annotations.CollectionId; import org.hibernate.annotations.CollectionOfElements; import org.hibernate.annotations.Columns;+import org.hibernate.annotations.Comment; import org.hibernate.annotations.Fetch; import org.hibernate.annotations.Filter; import org.hibernate.annotations.FilterDef;@@ -421,6 +422,7 @@ 		String schema = ""; 		String table = ""; //might be no   annotation on the annotated class 		String catalog = "";+		String comment = ""; 		String discrimValue = null; 		List
    
      uniqueConstraints = new ArrayList
     
      (); 		Ejb3DiscriminatorColumn discriminatorColumn = null;@@ -433,6 +435,11 @@ 			catalog = tabAnn.catalog(); 			uniqueConstraints = TableBinder.buildUniqueConstraints( tabAnn.uniqueConstraints() ); 		}+		if ( annotatedClass.isAnnotationPresent( org.hibernate.annotations.Comment.class ) ) {+		    org.hibernate.annotations.Comment commentAnn = annotatedClass.getAnnotation( org.hibernate.annotations.Comment.class );+		    comment = commentAnn.value();+		}     +         		final boolean hasJoinedColumns = inheritanceState.hasParents 				&& InheritanceType.JOINED.equals( inheritanceState.type ); 		if ( hasJoinedColumns ) {@@ -554,7 +561,8 @@ 					schema, catalog, table, uniqueConstraints, 					constraints, inheritanceState.hasDenormalizedTable() ? 					superEntity.getTable() :-					null+					null,+					comment 			); 		} 		else {@@ -1087,7 +1095,7 @@ 					"Processing annotations of " + propertyHolder.getEntityName() + "." + inferredData.getPropertyName() 			); 		}-+		 		if ( property.isAnnotationPresent( Parent.class ) ) { 			if ( propertyHolder.isComponent() ) { 				propertyHolder.setParentProperty( property.getName() );@@ -1596,6 +1604,23 @@ 				} 			} 		}+		+		/*+		 * Now process column comments+		 */+		Comment comment = property.getAnnotation( Comment.class );+		if ( comment != null ) {+            if ( joinColumns != null ) {+                for ( Ejb3Column column : joinColumns ) {+                    column.setComment( comment.value() );+                }+            }+            else {+                for ( Ejb3Column column : columns ) {+                    column.setComment( comment.value() );+                }+            }+		} 	}  	//TODO move that to collection binder?
     
    

4. Index: build.xml

--- build.xml	(Revision 14468)+++ build.xml	(Arbeitskopie)@@ -16,7 +16,7 @@ 	
     	
     	
    -	
    +