WIP: Separate out tasks and benchmarks, add migration to move due_dat…

…e and trial_count to benchmarks

src/backend/db/migrations/5_trial_data_belongs_to_benchmark.sql

@@ -2,16 +2,40 @@
 ALTER TABLE trial_data
 ADD COLUMN benchmark_id uuid REFERENCES benchmark(benchmark_id);
 
+-- Step 1a: Add due_date and trial_count to benchmark
+
+ALTER TABLE benchmark
+ADD COLUMN due_date TIMESTAMPTZ;
+
+ALTER TABLE benchmark
+ADD COLUMN trial_count INTEGER;
+
 -- Step 2: Copy benchmark_id from tasks for existing records
 UPDATE trial_data
 SET benchmark_id = task.benchmark_id
 FROM task
 WHERE trial_data.task_id = task.task_id;
 
+-- Step 2a: Copy due_date and trial_count from tasks for existing records
+-- Taking the first result of tasks that matches the right benchmark_id
+
+UPDATE benchmark
+SET due_date = task.due_date, trial_count = task.trial_count
+FROM task
+WHERE task.benchmark_id = benchmark.benchmark_id;
+
 -- Step 3: Make benchmark_id required
 ALTER TABLE trial_data
 ALTER COLUMN benchmark_id SET NOT NULL;
 
 -- Step 4: Remove task_id column
 ALTER TABLE trial_data
-DROP COLUMN task_id;
+DROP COLUMN task_id;
+
+-- Step 4a: Remove due_date, and trial_count from task
+
+ALTER TABLE task
+DROP COLUMN due_date;
+
+ALTER TABLE task
+DROP COLUMN trial_count;