Added sub-species column

This commit is contained in:
Matthew Dillon 2015-04-24 07:07:51 -08:00
parent 1a30cd16bd
commit 6b14c29f34

View file

@ -5,13 +5,15 @@ CREATE TABLE species (
id BIGSERIAL NOT NULL,
genus_id BIGINT NOT NULL,
species_name CHARACTER VARYING(100) NOT NULL,
subspecies_species_id BIGINT NULL,
created_at TIMESTAMP WITH TIME ZONE NOT NULL,
updated_at TIMESTAMP WITH TIME ZONE NOT NULL,
deleted_at TIMESTAMP WITH TIME ZONE NULL,
CONSTRAINT species_pkey PRIMARY KEY (id),
FOREIGN KEY (genus_id) REFERENCES genera(id)
FOREIGN KEY (genus_id) REFERENCES genera(id),
FOREIGN KEY (subspecies_species_id) REFERENCES species(id)
);
CREATE INDEX genus_id_idx ON species (genus_id);