KEY (used for display)

Customizing the metamodel > Keywords for USRPROPS > KEY (used for display)

The KEY keyword is one of the allowed arguments following FORMAT in the DISPLAY command. Properties designated as keys are displayed in a separate section of the symbol.

See also KEY.

Example

In the following example:

•The FORMAT KEY command puts all attributes designated by the user as primary keys under the “Primary Key” legend on an entity symbol.

•The FORMAT NONKEY command puts all non-primary-key attributes under the “Non-Key Attributes” legend on the entity symbol.

DEFINITION "Entity"
{
PROPERTY "Description"
{ EDIT COMPLETE LISTOF "Attribute" FROM "Data Element"
KEYED BY {Model, "Entity Name":"Name", "Name"}
RELATE BY "uses" ASGRID
COPYSCRIPT OnCopyEntityDesc
EDITCLASS SACPropertyAttributeGrid
Label "Attribute List"
LENGTH 4096
ZOOMABLE
DISPLAY { FORMAT KEY LEGEND "Primary Key" }
DISPLAY { FORMAT NONKEY LEGEND "Non-Key Attributes" }
...
}