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-- written for Postgres 9.6 with OSSP extension for UUIDs
CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
DROP TABLE IF EXISTS editor CASCADE;
DROP TABLE IF EXISTS editgroup CASCADE;
DROP TABLE IF EXISTS changelog CASCADE;
DROP TABLE IF EXISTS creator_rev CASCADE;
DROP TABLE IF EXISTS creator_ident CASCADE;
DROP TABLE IF EXISTS creator_edit CASCADE;
-- uuid_generate_v1mc: timestamp ordered, random MAC address
-- uuid_generate_v4: totally random
-- NB: could use LIKE clause, or "composite types"
CREATE TABLE editor (
id BIGSERIAL PRIMARY KEY,
username TEXT NOT NULL,
is_admin BOOLEAN NOT NULL DEFAULT false,
active_editgroup_id BIGINT -- REFERENCES( editgroup(id) via ALTER below
);
CREATE TABLE editgroup (
id BIGSERIAL PRIMARY KEY,
extra_json JSON,
editor_id BIGSERIAL REFERENCES editor(id) NOT NULL,
description TEXT
);
ALTER TABLE editor
ADD CONSTRAINT editor_editgroupid_fkey FOREIGN KEY (active_editgroup_id)
REFERENCES editgroup(id);
CREATE TABLE changelog (
id BIGSERIAL PRIMARY KEY,
editgroup_id BIGINT REFERENCES editgroup(id) NOT NULL,
timestamp TIMESTAMP WITHOUT TIME ZONE DEFAULT now()
);
CREATE TABLE creator_rev (
id BIGSERIAL PRIMARY KEY,
extra_json JSON,
name TEXT,
orcid TEXT
);
-- Could denormalize a "is_live" flag into revision tables, to make indices
-- more efficient
CREATE INDEX creator_rev_orcid_idx ON creator_rev(orcid) WHERE orcid IS NOT NULL;
CREATE TABLE creator_ident (
id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
is_live BOOL NOT NULL,
rev_id BIGINT REFERENCES creator_rev(id),
redirect_id UUID REFERENCES creator_ident(id)
);
CREATE TABLE creator_edit (
id BIGSERIAL PRIMARY KEY,
extra_json JSON,
ident_id UUID REFERENCES creator_ident(id) NOT NULL,
rev_id BIGINT REFERENCES creator_rev(id),
redirect_id UUID REFERENCES creator_ident(id),
editgroup_id BIGINT REFERENCES editgroup(id) NOT NULL
);
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