adjustment recording adding weight in recording egg : need info, deleted grading egg, adjustment validation if must be changed again

internal/database/migrations/20251203145514_adjustment_recording_without_grading_eggs.down.sql

@@ -0,0 +1,34 @@
+BEGIN;
+
+-- Remove grading details from recording_eggs
+ALTER TABLE recording_eggs
+    DROP CONSTRAINT IF EXISTS chk_recording_eggs_qty;
+
+ALTER TABLE recording_eggs
+    DROP COLUMN IF EXISTS weight,
+    DROP COLUMN IF EXISTS grade;
+
+ALTER TABLE recording_eggs
+    ADD CONSTRAINT chk_recording_eggs_qty CHECK (qty >= 0);
+
+-- Restore grading_eggs table for rollback scenarios
+CREATE TABLE grading_eggs (
+    id                BIGSERIAL PRIMARY KEY,
+    recording_egg_id  BIGINT NOT NULL,
+    qty               NUMERIC(15,3) NOT NULL,
+    grade             VARCHAR,
+    created_by        BIGINT,
+    created_at        TIMESTAMPTZ DEFAULT NOW(),
+    updated_at        TIMESTAMPTZ DEFAULT NOW(),
+
+    CONSTRAINT fk_grading_eggs_recording_egg
+        FOREIGN KEY (recording_egg_id) REFERENCES recording_eggs(id) ON DELETE CASCADE,
+    CONSTRAINT fk_grading_eggs_created_by
+        FOREIGN KEY (created_by) REFERENCES users(id),
+    CONSTRAINT chk_grading_eggs_qty CHECK (qty >= 0)
+);
+
+CREATE INDEX idx_grading_eggs_recording_egg
+    ON grading_eggs (recording_egg_id);
+
+COMMIT;

internal/database/migrations/20251203145514_adjustment_recording_without_grading_eggs.up.sql

@@ -0,0 +1,19 @@
+BEGIN;
+
+-- Remove separate grading table and move grading details into recording_eggs
+DROP INDEX IF EXISTS idx_grading_eggs_recording_egg;
+DROP TABLE IF EXISTS grading_eggs;
+
+ALTER TABLE recording_eggs
+    ADD COLUMN IF NOT EXISTS weight NUMERIC(10,3),
+    ADD COLUMN IF NOT EXISTS grade VARCHAR;
+
+ALTER TABLE recording_eggs
+    DROP CONSTRAINT IF EXISTS chk_recording_eggs_qty;
+
+ALTER TABLE recording_eggs
+    ADD CONSTRAINT chk_recording_eggs_qty CHECK (
+        qty >= 0 AND (weight IS NULL OR weight >= 0)
+    );
+
+COMMIT;