WIP

migrations/008_fix_model_versions_fk.sql

@@ -0,0 +1,14 @@
+-- Fix foreign key constraints on model_versions table to allow CASCADE delete
+
+-- Drop existing constraints
+ALTER TABLE model_versions DROP CONSTRAINT IF EXISTS model_versions_dataset_id_fkey;
+ALTER TABLE model_versions DROP CONSTRAINT IF EXISTS model_versions_task_id_fkey;
+
+-- Add constraints with ON DELETE SET NULL
+ALTER TABLE model_versions
+ADD CONSTRAINT model_versions_dataset_id_fkey
+FOREIGN KEY (dataset_id) REFERENCES training_datasets(dataset_id) ON DELETE SET NULL;
+
+ALTER TABLE model_versions
+ADD CONSTRAINT model_versions_task_id_fkey
+FOREIGN KEY (task_id) REFERENCES training_tasks(task_id) ON DELETE SET NULL;