02/03: Make database changes to help with deleting entries in the nars table

[Christopher Baines]

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

commit 1461aa037fa64b3b4694428a1e00239f3f592ff5
Author: Christopher Baines <mail@cbaines.net>
AuthorDate: Tue Aug 1 14:12:48 2023 +0100

    Make database changes to help with deleting entries in the nars table
---
 sqitch/deploy/cascade_nar_foreign_keys.sql | 35 ++++++++++++++++++++++++++++++
 sqitch/deploy/nar_indexes.sql              |  9 ++++++++
 sqitch/revert/cascade_nar_foreign_keys.sql |  7 ++++++
 sqitch/revert/nar_indexes.sql              |  7 ++++++
 sqitch/sqitch.plan                         |  2 ++
 sqitch/verify/cascade_nar_foreign_keys.sql |  7 ++++++
 sqitch/verify/nar_indexes.sql              |  7 ++++++
 7 files changed, 74 insertions(+)

diff --git a/sqitch/deploy/cascade_nar_foreign_keys.sql 
b/sqitch/deploy/cascade_nar_foreign_keys.sql
new file mode 100644
index 0000000..8e01139
--- /dev/null
+++ b/sqitch/deploy/cascade_nar_foreign_keys.sql
@@ -0,0 +1,35 @@
+-- Deploy guix-data-service:cascade_nar_foreign_keys to pg
+
+BEGIN;
+
+ALTER TABLE narinfo_fetch_records
+  DROP CONSTRAINT narinfo_fetch_records_narinfo_signature_data_id_fkey,
+  ADD CONSTRAINT narinfo_fetch_records_narinfo_signature_data_id_fkey
+  FOREIGN KEY (narinfo_signature_data_id) REFERENCES narinfo_signature_data(id)
+  ON DELETE CASCADE;
+
+ALTER TABLE narinfo_signatures
+  DROP CONSTRAINT narinfo_signatures_nar_id_fkey,
+  ADD CONSTRAINT narinfo_signatures_nar_id_fkey
+  FOREIGN KEY (nar_id) REFERENCES nars(id)
+  ON DELETE CASCADE;
+
+ALTER TABLE narinfo_signatures
+  DROP CONSTRAINT narinfo_signatures_narinfo_signature_data_id_fkey,
+  ADD CONSTRAINT narinfo_signatures_narinfo_signature_data_id_fkey
+  FOREIGN KEY (narinfo_signature_data_id) REFERENCES narinfo_signature_data(id)
+  ON DELETE CASCADE;
+
+ALTER TABLE nar_references
+  DROP CONSTRAINT "nar_references_nar_id_fkey",
+  ADD CONSTRAINT "nar_references_nar_id_fkey"
+  FOREIGN KEY (nar_id) REFERENCES nars(id)
+  ON DELETE CASCADE;
+
+ALTER TABLE nar_urls
+  DROP CONSTRAINT "nar_urls_nar_id_fkey",
+  ADD CONSTRAINT "nar_urls_nar_id_fkey"
+  FOREIGN KEY (nar_id) REFERENCES nars(id)
+  ON DELETE CASCADE;
+
+COMMIT;
diff --git a/sqitch/deploy/nar_indexes.sql b/sqitch/deploy/nar_indexes.sql
new file mode 100644
index 0000000..baaeb00
--- /dev/null
+++ b/sqitch/deploy/nar_indexes.sql
@@ -0,0 +1,9 @@
+-- Deploy guix-data-service:nar_indexes to pg
+
+BEGIN;
+
+CREATE INDEX narinfo_signatures_narinfo_signature_data_id ON 
narinfo_signatures (narinfo_signature_data_id);;;;
+
+CREATE INDEX nar_references_nar_id ON nar_references (nar_id);
+
+COMMIT;
diff --git a/sqitch/revert/cascade_nar_foreign_keys.sql 
b/sqitch/revert/cascade_nar_foreign_keys.sql
new file mode 100644
index 0000000..2e9d7f3
--- /dev/null
+++ b/sqitch/revert/cascade_nar_foreign_keys.sql
@@ -0,0 +1,7 @@
+-- Revert guix-data-service:cascade_nar_foreign_keys from pg
+
+BEGIN;
+
+-- XXX Add DDLs here.
+
+COMMIT;
diff --git a/sqitch/revert/nar_indexes.sql b/sqitch/revert/nar_indexes.sql
new file mode 100644
index 0000000..f98c6b8
--- /dev/null
+++ b/sqitch/revert/nar_indexes.sql
@@ -0,0 +1,7 @@
+-- Revert guix-data-service:nar_indexes from pg
+
+BEGIN;
+
+-- XXX Add DDLs here.
+
+COMMIT;
diff --git a/sqitch/sqitch.plan b/sqitch/sqitch.plan
index caab662..a3f8952 100644
--- a/sqitch/sqitch.plan
+++ b/sqitch/sqitch.plan
@@ -94,3 +94,5 @@ package_derivations_extended_statistics 2022-11-12T10:40:18Z 
Chris <chris@felis>
 derivation_outputs_id_and_derivation_id_idx 2022-11-12T10:41:42Z Chris 
<chris@felis> # Add index on derivation_outputs id and derivation_id
 blocked_builds_blocked_builds_blocked_derivation_output_details_set_id_2 
2023-03-05T10:19:53Z Chris <chris@felis> # Add index on 
blocked_builds_blocked_derivation_output_details_set_id
 guix_revision_package_derivation_distribution_counts 2023-03-08T16:53:44Z 
Chris <chris@felis> # Add guix_revision_package_derivation_distribution_counts 
table
+cascade_nar_foreign_keys 2023-08-01T09:42:33Z Chris <chris@felis> # Make it 
easier to delete nars entries
+nar_indexes 2023-08-01T11:37:35Z Chris <chris@felis> # Add nar related indexes
diff --git a/sqitch/verify/cascade_nar_foreign_keys.sql 
b/sqitch/verify/cascade_nar_foreign_keys.sql
new file mode 100644
index 0000000..f292949
--- /dev/null
+++ b/sqitch/verify/cascade_nar_foreign_keys.sql
@@ -0,0 +1,7 @@
+-- Verify guix-data-service:cascade_nar_foreign_keys on pg
+
+BEGIN;
+
+-- XXX Add verifications here.
+
+ROLLBACK;
diff --git a/sqitch/verify/nar_indexes.sql b/sqitch/verify/nar_indexes.sql
new file mode 100644
index 0000000..3e2f519
--- /dev/null
+++ b/sqitch/verify/nar_indexes.sql
@@ -0,0 +1,7 @@
+-- Verify guix-data-service:nar_indexes on pg
+
+BEGIN;
+
+-- XXX Add verifications here.
+
+ROLLBACK;