Make database changes to help with deleting entries in the nars table

2 files changed, 44 insertions, 0 deletions

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;