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(define-module (guix-data-service model package-derivation)
#:use-module (srfi srfi-1)
#:use-module (ice-9 vlist)
#:use-module (ice-9 match)
#:use-module (squee)
#:use-module (guix-data-service model utils)
#:export (insert-package-derivations
count-packages-derivations-in-revision))
(define (insert-missing-package-derivations conn entries)
(define query
(string-append
"INSERT INTO package_derivations "
"(package_id, derivation_id, system, target) VALUES "
(string-join
(map
(lambda (entry)
(apply simple-format
#f "(~A, ~A, '~A', '~A')"
entry))
entries)
", ")
" RETURNING id"))
(exec-query conn query))
(define (insert-package-derivations conn
package-ids-systems-and-targets
derivation-ids)
(define select-existing-package-derivation-entries
(string-append
"SELECT id, package_derivations.package_id,"
" package_derivations.derivation_id, package_derivations.system,"
" package_derivations.target "
"FROM package_derivations "
"JOIN (VALUES "
(string-join (map (match-lambda*
(((package-id system target) derivation-id)
(simple-format
#f "(~A, ~A, '~A', '~A')"
package-id
derivation-id
system
target)))
package-ids-systems-and-targets
derivation-ids)
", ")
") AS vals (package_id, derivation_id, system, target) "
"ON package_derivations.package_id = vals.package_id "
"AND package_derivations.derivation_id = vals.derivation_id "
"AND package_derivations.system = vals.system "
"AND package_derivations.target = vals.target"))
(define data-4-tuples
(map (match-lambda*
(((package-id system target) derivation-id)
(list package-id
derivation-id
system
target)))
package-ids-systems-and-targets
derivation-ids))
(if (null? data-4-tuples)
'()
(begin
(let* ((existing-entries
(exec-query->vhash
conn
select-existing-package-derivation-entries
cdr
first)) ;; id
(missing-entries
(filter (lambda (4-tuple)
(not (vhash-assoc 4-tuple existing-entries)))
data-4-tuples))
(new-entry-ids
(if (null? missing-entries)
'()
(begin
(vlist->list existing-entries)
(insert-missing-package-derivations conn missing-entries))))
(new-entries-id-lookup-vhash
(two-lists->vhash missing-entries
new-entry-ids)))
(map (lambda (4-tuple)
(cdr
(or (vhash-assoc 4-tuple existing-entries)
(vhash-assoc 4-tuple new-entries-id-lookup-vhash)
(error "Missing entry"))))
data-4-tuples)))))
(define (count-packages-derivations-in-revision conn commit-hash)
(define query
"
SELECT package_derivations.system, package_derivations.target,
COUNT(DISTINCT package_derivations.derivation_id)
FROM package_derivations
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 package_derivations.system, package_derivations.target
ORDER BY package_derivations.system DESC, package_derivations.target DESC")
(exec-query conn query (list commit-hash)))
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