feat: implement core backend architecture and project management services for the History API

db/migrations/000018_search_hot_path_indexes.down.sql

@@ -0,0 +1,6 @@
+DROP INDEX IF EXISTS idx_geometries_active_project_id_id_desc;
+DROP INDEX IF EXISTS idx_geometries_active_id_desc;
+DROP INDEX IF EXISTS idx_entities_active_project_id_id_desc;
+DROP INDEX IF EXISTS idx_entities_active_id_desc;
+DROP INDEX IF EXISTS idx_wikis_active_project_id_id_desc;
+DROP INDEX IF EXISTS idx_wikis_active_id_desc;

db/migrations/000018_search_hot_path_indexes.up.sql

@@ -0,0 +1,23 @@
+CREATE INDEX IF NOT EXISTS idx_wikis_active_id_desc
+ON wikis (id DESC)
+WHERE is_deleted = false;
+
+CREATE INDEX IF NOT EXISTS idx_wikis_active_project_id_id_desc
+ON wikis (project_id, id DESC)
+WHERE is_deleted = false;
+
+CREATE INDEX IF NOT EXISTS idx_entities_active_id_desc
+ON entities (id DESC)
+WHERE is_deleted = false;
+
+CREATE INDEX IF NOT EXISTS idx_entities_active_project_id_id_desc
+ON entities (project_id, id DESC)
+WHERE is_deleted = false;
+
+CREATE INDEX IF NOT EXISTS idx_geometries_active_id_desc
+ON geometries (id DESC)
+WHERE is_deleted = false;
+
+CREATE INDEX IF NOT EXISTS idx_geometries_active_project_id_id_desc
+ON geometries (project_id, id DESC)
+WHERE is_deleted = false;

db/query/geometries.sql

@@ -91,7 +91,8 @@ WHERE g.is_deleted = false
     sqlc.narg('has_bound')::boolean = true OR
     g.bound_with IS NULL
   )
-ORDER BY g.id DESC;
+ORDER BY g.id DESC
+LIMIT NULLIF(sqlc.arg('limit_count')::int, 0);
 
 -- name: SearchGeometriesByEntityName :many
 WITH matched_entities AS (