Remove duplicates from the guix_revisions table
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-- Deploy guix-data-service:remove_guix_revision_duplicates to pg
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BEGIN;
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WITH data AS (
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SELECT unnest(old_ids) AS old, id FROM (
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SELECT MIN(id) AS id, ARRAY_AGG(id) AS old_ids
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FROM guix_revisions
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GROUP BY commit, git_repository_id
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HAVING COUNT(id) > 1
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) AS d2
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)
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DELETE FROM guix_revision_package_derivations
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WHERE revision_id IN (SELECT old FROM data WHERE old != id);
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WITH data AS (
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SELECT unnest(old_ids) AS old, id FROM (
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SELECT MIN(id) AS id, ARRAY_AGG(id) AS old_ids
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FROM guix_revisions
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GROUP BY commit, git_repository_id
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HAVING COUNT(id) > 1
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) AS d2
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)
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UPDATE package_versions_by_guix_revision_range
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SET first_guix_revision_id = data.id
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FROM data
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WHERE first_guix_revision_id = data.old;
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DELETE FROM guix_revisions AS g WHERE id NOT IN (
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SELECT MIN(id)
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FROM guix_revisions
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GROUP BY (commit, git_repository_id)
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);
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CREATE UNIQUE INDEX ON guix_revisions (commit, git_repository_id);
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COMMIT;
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@ -0,0 +1,7 @@
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-- Revert guix-data-service:remove_guix_revision_duplicates from pg
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BEGIN;
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-- XXX Add DDLs here.
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COMMIT;
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@ -24,3 +24,4 @@ package_versions_by_guix_revision_range 2019-09-26T20:23:15Z Christopher Baines
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index_on_load_new_guix_revision_job_events_job_id 2019-09-29T10:39:04Z Christopher Baines <mail@cbaines.net> # Add index on load_new_guix_revision_job_events.job_id
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fix_null_values_in_git_branches 2019-09-29T11:06:12Z Christopher Baines <mail@cbaines.net> # Fix the NULL values in git_branches
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add_retry_value_to_job_event_enum 2019-10-02T19:13:52Z Christopher Baines <mail@cbaines.net> # Add retry value to job_event enum
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remove_guix_revision_duplicates 2019-10-05T08:00:14Z Christopher Baines <mail@cbaines.net> # Remove duplicates in the guix_revisions table
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@ -0,0 +1,7 @@
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-- Verify guix-data-service:remove_guix_revision_duplicates on pg
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BEGIN;
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-- XXX Add verifications here.
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ROLLBACK;
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