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Add a function to select channel instances for a revision

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Christopher Baines 2020-02-12 08:37:38 +00:00
parent 7326e8b3bb
commit 7306df0a0f
1 changed files with 49 additions and 1 deletions
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50
guix-data-service/model/channel-instance.scm
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@ -23,7 +23,8 @@
#:use-module (guix utils) #:use-module (guix utils)
#:use-module (guix-data-service model utils) #:use-module (guix-data-service model utils)
#:use-module (guix-data-service model derivation) #:use-module (guix-data-service model derivation)
#:export (insert-channel-instances)) #:export (insert-channel-instances
select-channel-instances-for-guix-revision))
(define (insert-channel-instances conn (define (insert-channel-instances conn
guix-revision-id guix-revision-id
@ -50,3 +51,50 @@ VALUES "
derivation-ids) derivation-ids)
", ")))) ", "))))
#t) #t)
(define (select-channel-instances-for-guix-revision conn
commit-hash)
(define query
"
SELECT channel_instances.system,
derivations.file_name,
JSON_AGG(
json_build_object(
'build_server_id', builds.build_server_id,
'status', latest_build_status.status,
'timestamp', latest_build_status.timestamp,
'build_for_equivalent_derivation',
builds.derivation_file_name != derivations.file_name
)
ORDER BY latest_build_status.timestamp
) AS builds
FROM channel_instances
INNER JOIN derivations
ON channel_instances.derivation_id = derivations.id
INNER JOIN derivations_by_output_details_set
ON derivations.id = derivations_by_output_details_set.derivation_id
LEFT OUTER JOIN builds
ON derivations_by_output_details_set.derivation_output_details_set_id =
builds.derivation_output_details_set_id
LEFT OUTER JOIN (
SELECT DISTINCT ON (build_id) *
FROM build_status
ORDER BY build_id, timestamp DESC
) AS latest_build_status
ON builds.id = latest_build_status.build_id
INNER JOIN guix_revisions
ON guix_revisions.id = channel_instances.guix_revision_id
WHERE guix_revisions.commit = $1
GROUP BY channel_instances.system, derivations.file_name
ORDER BY channel_instances.system DESC")
(map
(match-lambda
((system derivation_file_name builds-json)
(list system
derivation_file_name
(filter (lambda (build)
(assoc-ref build "status"))
(vector->list
(json-string->scm builds-json))))))
(exec-query conn query (list commit-hash))))