Merge ~pappacena/launchpad:snap-pillar-db-indexes into launchpad:master

[Thiago F. Pappacena]

Snap privacy indexes and CHECK constraint validation

[William Grant (wgrant)]

review: Approve (db)

[William Grant (wgrant)]

review: Approve (db)

261325a... by Thiago F. Pappacena on 2021-03-01

Merge branch 'master' into snap-pillar-db-indexes

[Thiago F. Pappacena (pappacena)]

Already applied in production.

diff --git a/database/schema/patch-2210-26-2.sql b/database/schema/patch-2210-26-2.sql
new file mode 100644
index 0000000..ab6e0a3
--- /dev/null
+++ b/database/schema/patch-2210-26-2.sql
@@ -0,0 +1,14 @@
+-- Copyright 2021 Canonical Ltd.  This software is licensed under the
+-- GNU Affero General Public License version 3 (see the file LICENSE).
+
+SET client_min_messages=ERROR;
+
+CREATE INDEX snap__project__idx ON Snap(project) WHERE project IS NOT NULL;
+
+CREATE UNIQUE INDEX accessartifact__snap__key
+    ON AccessArtifact(snap) WHERE snap IS NOT NULL;
+
+ALTER TABLE AccessArtifact VALIDATE CONSTRAINT has_artifact;
+
+
+INSERT INTO LaunchpadDatabaseRevision VALUES (2210, 26, 2);