FEAT[BE] :implement movement number generation and sequence management for transfer layings

internal/database/migrations/20260129083458_create_transfer_laying_sequence.up.sql

@@ -0,0 +1,33 @@
+-- Create sequence for transfer laying movement number
+CREATE SEQUENCE transfer_laying_seq START
+WITH
+    1 INCREMENT BY 1 MINVALUE 1 MAXVALUE 99999 NO CYCLE;
+
+-- Set sequence starting value based on existing data (if any)
+-- This prevents duplicate movement numbers if there's already data
+DO $$ DECLARE max_existing INTEGER;
+
+BEGIN
+-- Check if table exists and has data
+IF EXISTS (
+    SELECT 1
+    FROM information_schema.tables
+    WHERE
+        table_schema = 'public'
+        AND table_name = 'transfer_to_layings'
+) THEN
+-- Get max ID from existing records
+SELECT COALESCE(MAX(id), 0) INTO max_existing
+FROM transfer_to_layings;
+
+-- Set sequence to start after the highest existing ID
+IF max_existing > 0 THEN PERFORM setval (
+    'transfer_laying_seq',
+    max_existing
+);
+
+END IF;
+
+END IF;
+
+END $$;