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-rw-r--r--sqitch/deploy/build_status_add_unique_index.sql18
-rw-r--r--sqitch/revert/build_status_add_unique_index.sql7
-rw-r--r--sqitch/sqitch.plan1
-rw-r--r--sqitch/verify/build_status_add_unique_index.sql7
4 files changed, 33 insertions, 0 deletions
diff --git a/sqitch/deploy/build_status_add_unique_index.sql b/sqitch/deploy/build_status_add_unique_index.sql
new file mode 100644
index 0000000..0ba5e6c
--- /dev/null
+++ b/sqitch/deploy/build_status_add_unique_index.sql
@@ -0,0 +1,18 @@
+-- Deploy guix-data-service:build_status_add_unique_index to pg
+
+BEGIN;
+
+DELETE FROM build_status
+WHERE id NOT IN (
+ SELECT MIN(id) FROM build_status GROUP BY build_id, timestamp, status
+);
+
+ALTER TABLE build_status
+ADD CONSTRAINT build_status_build_id_timestamp_status_unique
+UNIQUE (build_id, timestamp, status);
+
+CREATE UNIQUE INDEX build_status_build_id_status_unique_idx
+ ON build_status (build_id, status)
+ WHERE timestamp IS NULL;
+
+COMMIT;
diff --git a/sqitch/revert/build_status_add_unique_index.sql b/sqitch/revert/build_status_add_unique_index.sql
new file mode 100644
index 0000000..2f801ee
--- /dev/null
+++ b/sqitch/revert/build_status_add_unique_index.sql
@@ -0,0 +1,7 @@
+-- Revert guix-data-service:build_status_add_unique_index from pg
+
+BEGIN;
+
+-- XXX Add DDLs here.
+
+COMMIT;
diff --git a/sqitch/sqitch.plan b/sqitch/sqitch.plan
index f3c4272..318d2c6 100644
--- a/sqitch/sqitch.plan
+++ b/sqitch/sqitch.plan
@@ -63,3 +63,4 @@ translations_for_lint_checker_descriptions 2020-05-22T19:49:37Z daniela <daniela
translations_for_package_synopsis_and_descriptions 2020-06-09T12:42:54Z daniela <daniela@linux-ijv5> # Support translations for package synopsis and descriptions
build_status_nullable_timestamp 2020-06-27T12:34:29Z Christopher Baines <mail@cbaines.net> # Make build_status.timestamp nullable
build_add_build_server_build_id 2020-06-27T12:48:57Z Christopher Baines <mail@cbaines.net> # Add builds.build_server_build_id
+build_status_add_unique_index 2020-06-30T17:19:30Z Christopher Baines <mail@cbaines.net> # Add a unique index to the build_status table
diff --git a/sqitch/verify/build_status_add_unique_index.sql b/sqitch/verify/build_status_add_unique_index.sql
new file mode 100644
index 0000000..1415c06
--- /dev/null
+++ b/sqitch/verify/build_status_add_unique_index.sql
@@ -0,0 +1,7 @@
+-- Verify guix-data-service:build_status_add_unique_index on pg
+
+BEGIN;
+
+-- XXX Add verifications here.
+
+ROLLBACK;