Christopher Baines
a7d9e15f65
This is the big change needed to allow for parallel revision processing. Previously, a lock was used to prevent this since the parallel transactions could deadlock if each inserted data that the other then went to insert. By defining the order in which inserts happen, both in terms of the order of tables, and the order of rows within the table, this change should guarantee that there won't be deadlocks. I'm also hoping this change will address whatever issue was causing some derivation data to be missing from the database.
41 lines
1.7 KiB
Scheme
41 lines
1.7 KiB
Scheme
;;; Guix Data Service -- Information about Guix over time
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;;; Copyright © 2019 Christopher Baines <mail@cbaines.net>
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;;;
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;;; This program is free software: you can redistribute it and/or
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;;; modify it under the terms of the GNU Affero General Public License
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;;; as published by the Free Software Foundation, either version 3 of
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;;; the License, or (at your option) any later version.
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;;;
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;;; This program is distributed in the hope that it will be useful,
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;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;;; Affero General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU Affero General Public
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;;; License along with this program. If not, see
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;;; <http://www.gnu.org/licenses/>.
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(define-module (guix-data-service model lint-warning-message)
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#:use-module (srfi srfi-43)
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#:use-module (ice-9 match)
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#:use-module (squee)
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#:use-module (guix-data-service database)
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#:use-module (guix-data-service model utils)
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#:export (lint-warning-message-locales-for-revision))
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(define (lint-warning-message-locales-for-revision conn commit-hash)
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(exec-query
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conn
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"
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SELECT DISTINCT lint_warning_messages.locale
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FROM lint_warning_messages
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INNER JOIN lint_warning_message_sets
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ON lint_warning_messages.id = ANY (lint_warning_message_sets.message_ids)
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INNER JOIN lint_warnings
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ON lint_warning_message_sets.id = lint_warnings.lint_warning_message_set_id
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INNER JOIN guix_revision_lint_warnings
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ON lint_warnings.id = guix_revision_lint_warnings.lint_warning_id
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INNER JOIN guix_revisions
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ON guix_revision_lint_warnings.guix_revision_id = guix_revisions.id
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AND guix_revisions.commit = $1"
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(list commit-hash)))
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