nixpkgs/pkgs/development/lisp-modules-new-obsolete/import/init.sql

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CREATE TABLE IF NOT EXISTS sha256 (
id integer PRIMARY KEY AUTOINCREMENT,
url text UNIQUE,
hash text NOT NULL,
created real DEFAULT (julianday('now'))
);
CREATE TABLE IF NOT EXISTS system (
id integer PRIMARY KEY AUTOINCREMENT,
name text NOT NULL,
version text NOT NULL,
asd text NOT NULL,
created real DEFAULT (julianday('now')),
UNIQUE(name, version)
);
CREATE TABLE IF NOT EXISTS dep (
system_id integer NOT NULL REFERENCES system(id),
dep_id integer NOT NULL REFERENCES system(id),
PRIMARY KEY (system_id, dep_id)
);
CREATE TABLE IF NOT EXISTS src (
sha256_id integer REFERENCES sha256(id),
system_id integer UNIQUE REFERENCES system(id)
);
DROP VIEW IF EXISTS system_view;
CREATE VIEW IF NOT EXISTS system_view AS
SELECT
sys.name,
sys.version,
sys.asd,
sha.url,
sha.hash,
group_concat((SELECT name FROM system WHERE id = dep.dep_id)) as deps
FROM system sys
JOIN src ON src.system_id = sys.id
JOIN sha256 sha ON sha.id = src.sha256_id
LEFT JOIN dep ON dep.system_id = sys.id
GROUP BY sys.name;