database/versions: Add generated version_no_prerelease column

migrations/2021-10-07-220812_add_version_no_prerelease/down.sql

@@ -0,0 +1,2 @@
+ALTER TABLE versions
+    DROP COLUMN version_no_prerelease;

migrations/2021-10-07-220812_add_version_no_prerelease/up.sql

@@ -0,0 +1,3 @@
+ALTER TABLE versions
+    ADD COLUMN version_no_prerelease semver_triple
+        GENERATED ALWAYS AS ( to_semver_no_prerelease(num) ) STORED;

src/models/krate_reverse_dependencies.sql

@@ -12,7 +12,7 @@ SELECT *, COUNT(*) OVER () as total FROM (
         SELECT versions.*,
         row_number() OVER (
             PARTITION BY crate_id
-            ORDER BY to_semver_no_prerelease(num) DESC NULLS LAST
+            ORDER BY version_no_prerelease DESC NULLS LAST
         ) rn
         FROM versions
         WHERE NOT yanked

src/tasks/dump_db/dump-db.toml

@@ -212,6 +212,7 @@ yanked = "public"
 license = "public"
 crate_size = "public"
 published_by = "public"
+version_no_prerelease = "private"
 
 [versions_published_by.columns]
 version_id = "private"