08/08: Remove the constraint on having one derivation build per server

[Christopher Baines]

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

commit 0242bc6a2e7921b11727e4fdd59497d4da99cd0f
Author: Christopher Baines <mail@cbaines.net>
AuthorDate: Wed Jul 1 09:35:40 2020 +0100

    Remove the constraint on having one derivation build per server
    
    As the Guix Build Coordinator can build one derivation many times.
---
 .../builds_remove_build_server_id_derivation_unique_constraint.sql | 7 +++++++
 .../builds_remove_build_server_id_derivation_unique_constraint.sql | 7 +++++++
 sqitch/sqitch.plan                                                 | 1 +
 .../builds_remove_build_server_id_derivation_unique_constraint.sql | 7 +++++++
 4 files changed, 22 insertions(+)

diff --git 
a/sqitch/deploy/builds_remove_build_server_id_derivation_unique_constraint.sql 
b/sqitch/deploy/builds_remove_build_server_id_derivation_unique_constraint.sql
new file mode 100644
index 0000000..dc5ccfc
--- /dev/null
+++ 
b/sqitch/deploy/builds_remove_build_server_id_derivation_unique_constraint.sql
@@ -0,0 +1,7 @@
+-- Deploy 
guix-data-service:builds_remove_build_server_id_derivation_unique_constraint to 
pg
+
+BEGIN;
+
+DROP INDEX builds_build_server_id_derivation_file_name_idx;
+
+COMMIT;
diff --git 
a/sqitch/revert/builds_remove_build_server_id_derivation_unique_constraint.sql 
b/sqitch/revert/builds_remove_build_server_id_derivation_unique_constraint.sql
new file mode 100644
index 0000000..32d495d
--- /dev/null
+++ 
b/sqitch/revert/builds_remove_build_server_id_derivation_unique_constraint.sql
@@ -0,0 +1,7 @@
+-- Revert 
guix-data-service:builds_remove_build_server_id_derivation_unique_constraint 
from pg
+
+BEGIN;
+
+-- XXX Add DDLs here.
+
+COMMIT;
diff --git a/sqitch/sqitch.plan b/sqitch/sqitch.plan
index 318d2c6..c47cb84 100644
--- a/sqitch/sqitch.plan
+++ b/sqitch/sqitch.plan
@@ -64,3 +64,4 @@ translations_for_package_synopsis_and_descriptions 
2020-06-09T12:42:54Z daniela
 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
+builds_remove_build_server_id_derivation_unique_constraint 
2020-06-30T20:17:48Z Christopher Baines <mail@cbaines.net> # Allow multiple 
builds of the same derivation per build server
diff --git 
a/sqitch/verify/builds_remove_build_server_id_derivation_unique_constraint.sql 
b/sqitch/verify/builds_remove_build_server_id_derivation_unique_constraint.sql
new file mode 100644
index 0000000..7a1785c
--- /dev/null
+++ 
b/sqitch/verify/builds_remove_build_server_id_derivation_unique_constraint.sql
@@ -0,0 +1,7 @@
+-- Verify 
guix-data-service:builds_remove_build_server_id_derivation_unique_constraint on 
pg
+
+BEGIN;
+
+-- XXX Add verifications here.
+
+ROLLBACK;