dev/benchmarking/ddl/1_00_table_public_project.sql

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  to you under the Apache License, Version 2.0 (the
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    http://www.apache.org/licenses/LICENSE-2.0

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-- PROJECT
CREATE TABLE IF NOT EXISTS public.project
(
  project_id SERIAL PRIMARY KEY
  , project_name citext NOT NULL
  , project_url text NOT NULL
  , repo_url text NOT NULL
  , last_changed timestamp (0) without time zone NOT NULL DEFAULT now()
);
COMMENT ON TABLE public.project
  IS 'Project name and relevant URLs.';
COMMENT ON COLUMN public.project.project_url
  IS 'Homepage URL.';
COMMENT ON COLUMN public.project.repo_url
  IS 'Git repo URL to link stored commit hashes to code in a webpage.';
COMMENT ON COLUMN public.project.last_changed
  IS 'New project details are added with a new timestamp. '
     'The project details with the newest timestamp will be used.';

-- CONSTRAINTS
CREATE UNIQUE INDEX project_unique_index_on_project_name_urls
  ON public.project(project_name, project_url, repo_url);
COMMENT ON INDEX
  public.project_unique_index_on_project_name_urls
  IS 'Enforce uniqueness of project name and urls.';