 
   primary key(variation_synonym_id),
   key variation_idx (variation_id),
-  unique (name, source_id)
+  unique (name, source_id),
+  key source_idx (source_id)
 );
 
 

	ancestral_allele text,

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



INSERT INTO failed_description (failed_description_id,description) VALUES (2,'Reference allele not present in the alleles of the variation');
INSERT INTO failed_description (failed_description_id,description) VALUES (3,'Variation containing more than 3 alleles');
INSERT INTO failed_description (failed_description_id,description) VALUES (4,'Variation with \'NoVariation\' alleles');

