01/03: Make jobs unique by commit

[Christopher Baines]

cbaines pushed a commit to branch master
in repository data-service.

commit b30904e1afe426e7e38c8a43176efbfc656ab7e6
Author: Christopher Baines <address@hidden>
AuthorDate: Sat Mar 28 19:59:35 2020 +0000

    Make jobs unique by commit
    
    Given that a commit, regardless of what repository it comes from should
    contain the same exactly the same data, just track jobs by commit.
---
 ..._new_guix_revision_jobs_make_commits_unique.sql | 31 ++++++++++++++++++++++
 ..._new_guix_revision_jobs_make_commits_unique.sql |  7 +++++
 sqitch/sqitch.plan                                 |  1 +
 ..._new_guix_revision_jobs_make_commits_unique.sql |  7 +++++
 4 files changed, 46 insertions(+)

diff --git a/sqitch/deploy/load_new_guix_revision_jobs_make_commits_unique.sql 
b/sqitch/deploy/load_new_guix_revision_jobs_make_commits_unique.sql
new file mode 100644
index 0000000..52ef2d3
--- /dev/null
+++ b/sqitch/deploy/load_new_guix_revision_jobs_make_commits_unique.sql
@@ -0,0 +1,31 @@
+-- Deploy guix-data-service:load_new_guix_revision_jobs_make_commits_unique to 
pg
+
+BEGIN;
+
+DROP INDEX load_new_guix_revision_jobs_commit_git_repository_id_idx;
+
+DELETE FROM load_new_guix_revision_job_events
+WHERE job_id NOT IN (
+  SELECT DISTINCT ON (commit) id
+  FROM load_new_guix_revision_jobs
+  ORDER BY commit, succeeded_at ASC NULLS LAST, created_at ASC
+)
+
+DELETE FROM load_new_guix_revision_job_logs
+WHERE job_id NOT IN (
+  SELECT DISTINCT ON (commit) id
+  FROM load_new_guix_revision_jobs
+  ORDER BY commit, succeeded_at ASC NULLS LAST, created_at ASC
+);
+
+DELETE FROM load_new_guix_revision_jobs
+WHERE id NOT IN (
+  SELECT DISTINCT ON (commit) id
+  FROM load_new_guix_revision_jobs
+  ORDER BY commit, succeeded_at ASC NULLS LAST, created_at ASC
+);
+
+CREATE UNIQUE INDEX load_new_guix_revision_jobs_commit_idx
+  ON load_new_guix_revision_jobs (commit);
+
+COMMIT;
diff --git a/sqitch/revert/load_new_guix_revision_jobs_make_commits_unique.sql 
b/sqitch/revert/load_new_guix_revision_jobs_make_commits_unique.sql
new file mode 100644
index 0000000..57db0bb
--- /dev/null
+++ b/sqitch/revert/load_new_guix_revision_jobs_make_commits_unique.sql
@@ -0,0 +1,7 @@
+-- Revert guix-data-service:load_new_guix_revision_jobs_make_commits_unique 
from pg
+
+BEGIN;
+
+-- XXX Add DDLs here.
+
+COMMIT;
diff --git a/sqitch/sqitch.plan b/sqitch/sqitch.plan
index e0c55c7..a92062c 100644
--- a/sqitch/sqitch.plan
+++ b/sqitch/sqitch.plan
@@ -55,3 +55,4 @@ make_some_constraints_deferrable 2020-02-16T10:54:22Z 
Christopher Baines <mail@c
 guix_revision_system_test_derivations_add_system 2020-03-19T21:30:33Z 
Christopher Baines <address@hidden> # Add a system column to the 
guix_revision_system_test_derivations table
 drop_package_versions_by_guix_revision_range 2020-03-24T20:40:38Z Christopher 
Baines <address@hidden> # Drop package_versions_by_guix_revision_range
 create_narinfo_fetch_records_index 2020-03-25T19:07:28Z Christopher Baines 
<address@hidden> # Create an index on narinfo_fetch_records
+load_new_guix_revision_jobs_make_commits_unique 2020-03-27T21:38:42Z 
Christopher Baines <address@hidden> # Make load_new_guix_revision_jobs commits 
unique
diff --git a/sqitch/verify/load_new_guix_revision_jobs_make_commits_unique.sql 
b/sqitch/verify/load_new_guix_revision_jobs_make_commits_unique.sql
new file mode 100644
index 0000000..88be8f0
--- /dev/null
+++ b/sqitch/verify/load_new_guix_revision_jobs_make_commits_unique.sql
@@ -0,0 +1,7 @@
+-- Verify guix-data-service:load_new_guix_revision_jobs_make_commits_unique on 
pg
+
+BEGIN;
+
+-- XXX Add verifications here.
+
+ROLLBACK;