 	description text,
 
 	primary key( population_id ),
+  unique name_idx( name )
 );
 
 

	source_id int not null,
  type enum('haplotype', 'tag'),

	primary key (variation_group_id)
);



	source_id int,
	frequency float,

	primary key( allele_group_id ),
  unique(name)
);


