From 6b14c29f3456d5f963f9538ca5f3ae41a5fe5bda Mon Sep 17 00:00:00 2001 From: Matthew Dillon Date: Fri, 24 Apr 2015 07:07:51 -0800 Subject: [PATCH] Added sub-species column --- migrations/00003_AddSpecies_up.sql | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/migrations/00003_AddSpecies_up.sql b/migrations/00003_AddSpecies_up.sql index a44c57f..5fb28ee 100644 --- a/migrations/00003_AddSpecies_up.sql +++ b/migrations/00003_AddSpecies_up.sql @@ -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);