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;;; Guix Data Service -- Information about Guix over time
;;; Copyright © 2019 Christopher Baines <mail@cbaines.net>
;;;
;;; This program is free software: you can redistribute it and/or
;;; modify it under the terms of the GNU Affero General Public License
;;; as published by the Free Software Foundation, either version 3 of
;;; the License, or (at your option) any later version.
;;;
;;; This program is distributed in the hope that it will be useful,
;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;;; Affero General Public License for more details.
;;;
;;; You should have received a copy of the GNU Affero General Public
;;; License along with this program. If not, see
;;; <http://www.gnu.org/licenses/>.
(define-module (guix-data-service model package-derivation)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-43)
#:use-module (ice-9 vlist)
#:use-module (ice-9 match)
#:use-module (squee)
#:use-module (guix-data-service model utils)
#:use-module (guix-data-service model system)
#:export (insert-package-derivations
count-packages-derivations-in-revision))
(define (insert-package-derivations conn
system
target
package-ids
derivation-ids)
(define system-id
(system->system-id conn system))
(define data-4-tuples
(vector-fold
(lambda (_ result package-id derivation-id)
(if derivation-id
(cons (list package-id
derivation-id
system-id
target)
result)
result))
'()
package-ids
derivation-ids))
(if (null? data-4-tuples)
'()
(insert-missing-data-and-return-all-ids
conn
"package_derivations"
'(package_id derivation_id system_id target)
data-4-tuples)))
(define (count-packages-derivations-in-revision conn commit-hash)
(define query
"
SELECT systems.system, package_derivations.target,
COUNT(DISTINCT package_derivations.derivation_id)
FROM package_derivations
INNER JOIN systems ON package_derivations.system_id = systems.id
WHERE package_derivations.id IN (
SELECT guix_revision_package_derivations.package_derivation_id
FROM guix_revision_package_derivations
INNER JOIN guix_revisions
ON guix_revision_package_derivations.revision_id = guix_revisions.id
WHERE guix_revisions.commit = $1
)
GROUP BY systems.system, package_derivations.target
ORDER BY systems.system DESC, package_derivations.target ASC")
(map
(match-lambda
((system target count)
(list system
target
(string->number count))))
(exec-query conn query (list commit-hash))))
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