Initial bundle reordering support

[patchwork] / lib / sql / migration / 005-bundle-patch-ordering.sql

diff --git a/lib/sql/migration/005-bundle-patch-ordering.sql b/lib/sql/migration/005-bundle-patch-ordering.sql
new file mode 100644 (file)
index 0000000..9f5bcf3
--- /dev/null
+++ b/lib/sql/migration/005-bundle-patch-ordering.sql
@@ -0,0 +1,9 @@
+BEGIN;
+ALTER TABLE patchwork_bundle_patches RENAME TO patchwork_bundlepatch;
+ALTER TABLE patchwork_bundlepatch ADD COLUMN "order" INTEGER NULL;
+UPDATE patchwork_bundlepatch SET "order" =
+    (SELECT COALESCE(max("order"), 0) + 1 FROM patchwork_bundlepatch AS p2
+        WHERE p2.bundle_id = patchwork_bundlepatch.bundle_id);
+ALTER TABLE patchwork_bundlepatch ALTER COLUMN "order" SET NOT NULL;
+ALTER TABLE patchwork_bundlepatch ADD UNIQUE("bundle_id", "order");
+COMMIT;