直接换货流程

migrations/000152_add_direct_exchange_flow.down.sql

@@ -0,0 +1,9 @@
+-- 回滚直接换货流程字段与索引
+DROP INDEX IF EXISTS idx_exchange_order_completed_at;
+DROP INDEX IF EXISTS idx_exchange_order_new_asset;
+DROP INDEX IF EXISTS idx_exchange_order_flow_status;
+
+ALTER TABLE tb_exchange_order
+    DROP COLUMN IF EXISTS completed_at,
+    DROP COLUMN IF EXISTS shipped_at,
+    DROP COLUMN IF EXISTS flow_type;

migrations/000152_add_direct_exchange_flow.up.sql

@@ -0,0 +1,21 @@
+-- 为换货单补充流程类型和真实业务时间字段
+ALTER TABLE tb_exchange_order
+    ADD COLUMN IF NOT EXISTS flow_type VARCHAR(20) NOT NULL DEFAULT 'shipping',
+    ADD COLUMN IF NOT EXISTS shipped_at TIMESTAMPTZ,
+    ADD COLUMN IF NOT EXISTS completed_at TIMESTAMPTZ;
+
+COMMENT ON COLUMN tb_exchange_order.flow_type IS '换货流程类型 shipping-物流换货 direct-直接换货';
+COMMENT ON COLUMN tb_exchange_order.shipped_at IS '发货时间，仅物流换货发货成功后写入';
+COMMENT ON COLUMN tb_exchange_order.completed_at IS '换货完成时间，物流换货和直接换货完成后写入';
+
+CREATE INDEX IF NOT EXISTS idx_exchange_order_flow_status
+    ON tb_exchange_order (flow_type, status)
+    WHERE deleted_at IS NULL;
+
+CREATE INDEX IF NOT EXISTS idx_exchange_order_new_asset
+    ON tb_exchange_order (new_asset_type, new_asset_id)
+    WHERE deleted_at IS NULL AND new_asset_id IS NOT NULL;
+
+CREATE INDEX IF NOT EXISTS idx_exchange_order_completed_at
+    ON tb_exchange_order (completed_at DESC)
+    WHERE deleted_at IS NULL AND completed_at IS NOT NULL;