first commit

backend/database/migrations/001_add_chicken_count_and_population.sql

@@ -0,0 +1,15 @@
+-- Migration: Add chicken_count and population columns to mortality_records table
+-- Date: 2025-12-30
+-- Description: Adds chicken_count (from AI counting) and population (manual override) columns
+
+-- Add chicken_count column (nullable)
+ALTER TABLE mortality_records
+ADD COLUMN IF NOT EXISTS chicken_count INTEGER;
+
+-- Add population column (nullable)
+ALTER TABLE mortality_records
+ADD COLUMN IF NOT EXISTS population INTEGER;
+
+-- Add comments for documentation
+COMMENT ON COLUMN mortality_records.chicken_count IS 'Chicken count from AI camera counting system';
+COMMENT ON COLUMN mortality_records.population IS 'Manual population override value';