IF not EXISTS( SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 'TextMessage' AND  COLUMN_NAME = 'Dom_ID_Marja')
begin
	alter table TextMessage add Dom_ID_Marja	int references Domain(ID) not null default -1
end
;
IF not EXISTS( SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 'TextMessage' AND  COLUMN_NAME = 'Reference_ID')
begin
	alter table TextMessage add Reference_ID	bigint not null default -1
end