Table: Legacy_Contact_Portal_Mapping
Contains the legacy mappings for contacts to portals that need to be converted.
Columns
Name	Type	Constraints	Description
primary__contact_KEY	int	NOT NULL	The primary key.
contact_KEY	int	NOT NULL	The contact key.
login	nvarchar (50)	NOT NULL	Unique but mutable login name
netstaff_id	int		Unique and immutable primary key of the staff portal
mobilecs_enabled	bit	NOT NULL	Whether mobilecs is enabled if this mapping was a netstaff

Primary key
Name	Columns		Description
PK_Legacy_Contact_Portal_Mapping$primary__contact_KEY	primary__contact_KEY		CLUSTERED
Indexes
Name	Columns		Description
IX_Legacy_Contact_Portal_Mapping$contact_KEY	contact_KEY		Index supports foreign key FK_Legacy_Contact_Portal_Mapping__Contact__contact_KEY

Foreign keys
Name	Columns	Referenced table	Description
FK_Legacy_Contact_Portal_Mapping__Contact__contact_KEY	contact_KEY	Contact	on delete cascade;
FK_Legacy_Contact_Portal_Mapping__Contact__primary__contact_KEY	primary__contact_KEY	Contact