-- ================================================================================================
-- Migration 043 DOWN: Rollback Outcome Tracking Fields
-- Removes actual_outcome, closed_at, entry_price fields and related functions
-- ================================================================================================

-- Revoke permissions
REVOKE EXECUTE ON FUNCTION get_real_performance_metrics FROM foxhunt;
REVOKE EXECUTE ON FUNCTION update_model_performance_metrics FROM foxhunt;

-- Drop trigger and function
DROP TRIGGER IF EXISTS trg_update_model_performance ON ensemble_predictions;
DROP FUNCTION IF EXISTS get_real_performance_metrics(VARCHAR, INTEGER);
DROP FUNCTION IF EXISTS update_model_performance_metrics();

-- Drop indexes (in reverse order)
DROP INDEX IF EXISTS idx_ensemble_predictions_pnl_outcome;
DROP INDEX IF EXISTS idx_ensemble_predictions_open_positions;
DROP INDEX IF EXISTS idx_ensemble_predictions_outcome;

-- Remove constraint
ALTER TABLE ensemble_predictions
DROP CONSTRAINT IF EXISTS chk_actual_outcome;

-- Remove columns
ALTER TABLE ensemble_predictions
DROP COLUMN IF EXISTS entry_price,
DROP COLUMN IF EXISTS closed_at,
DROP COLUMN IF EXISTS actual_outcome;

-- ================================================================================================
-- END MIGRATION 043 DOWN
-- ================================================================================================