| Class Summary | 
| ASAConstraintsEditorPage | "Constraints" page for ASA table schema editor. | 
| ASASQLConstraintsBlock | Constraints block for ASA constraints | 
| ConstraintsLabelProvider | The label provider for constraints tree on "Constraints" page of table schema editor | 
| Messages |  | 
| SQLConstraintsBlock | The constraints block of the "Constraints" page in table schema editor. To use this block the subclasses need to implement
 registerPagesto register details page for various
 selection on the constraint tree. | 
| SQLConstraintsTreeViewerInput | Given a table, this class can generate a tree (The content) for the constraints tree viewer. | 
| TreeViewerContentProvider | A common content provider for a tree viewer which uses FloderNodeas the floder on the tree and useLeafNodeas the leaf on the tree. |